78-567: See text Lethrinidae are a family of ray-finned fishes belonging to the order Spariformes commonly known as emperors , emperor breams , and pigface breams . These fish are found in tropical waters of the Pacific and Indian Oceans, and Lethrinus atlanticus is also found in the eastern Atlantic Ocean. They are benthic feeders, consuming invertebrates and small fishes. Some species have molariform teeth which they use to eat shelled invertebrates, such as molluscs and crabs . Lethrinidae
156-447: A consensus over time. The naming of families is codified by various international bodies using the following suffixes: Name changes at the family level are regulated by the codes of nomenclature. For botanical families, some traditional names like Palmae ( Arecaceae ), Cruciferae ( Brassicaceae ), and Leguminosae ( Fabaceae ) are conserved alongside their standardized -aceae forms due to their historical significance and widespread use in
234-446: A family, yet in the realm of plants, these classifications often rely on both the vegetative and reproductive characteristics of plant species. Taxonomists frequently hold varying perspectives on these descriptions, leading to a lack of widespread consensus within the scientific community for extended periods. The continual publication of new data and diverse opinions plays a crucial role in facilitating adjustments and ultimately reaching
312-471: A hundred taxonomic publications. Such descriptions typically result from either the discovery of organisms with unique combinations of characters that do not fit existing families, or from phylogenetic analyses that reveal the need for reclassification. The taxonomic term familia was first used by French botanist Pierre Magnol in his Prodromus historiae generalis plantarum, in quo familiae plantarum per tabulas disponuntur (1689) where he called
390-539: A maximum published total length of 20 cm (7.9 in). Lethrinidae fishes are found mainly in the tropical Indian and Western Pacific Oceans, with a single species, Lethrinus atlanticus , being found in the Eastern Atlantic Ocean. They are coastal fishes and are associated with reefs but prefer substrates of sand and rubble. Lethrinidae fishes are mostly bottom feeding carnivores and they typically have strong jaws. The teeth type and jaw structure depend on
468-509: A significant practical role in biological education and research. They provide an efficient framework for teaching taxonomy, as they group organisms with general similarities while remaining specific enough to be useful for identification purposes. For example, in botany, learning the characteristics of major plant families helps students identify related species across different geographic regions, since families often have worldwide distribution patterns. In many groups of organisms, families serve as
546-748: A small number of urban trading settlements, such as Mecca and Medina , located in the Hejaz in the west of the peninsula. Archaeology has revealed the existence of many civilizations in pre-Islamic Arabia (such as the Thamud ), especially in South Arabia . South Arabian civilizations include the Himyarite Kingdom , the Kingdom of Awsan , the Kingdom of Ma'īn , and the Sabaean Kingdom (usually considered to be
624-756: Is Saudi Arabia. In the classical era, the Sinai Peninsula was also considered a part of Arabia. The Arabian Peninsula formed as a result of the rifting of the Red Sea between 56 and 23 million years ago, and is bordered by the Red Sea to the west and southwest, the Persian Gulf and the Gulf of Oman to the northeast, the Levant and Mesopotamia to the north and the Arabian Sea and
702-538: Is a large volcanic field that extends from northwestern Arabia into Jordan and southern Syria . The Peninsula's constituent countries are (clockwise from north to south) Kuwait, Qatar, and the United Arab Emirates (UAE) on the east, Oman on the southeast, Yemen on the south, and Saudi Arabia at the center. The island country of Bahrain lies just off the east coast of the Peninsula. Due to Yemen's jurisdiction over
780-434: Is a row of canine-like teeth on the outer side of the front both jaws with molar-like or conical teeth on the sides and an inner row of bristle like teeth at the front too, there are no teeth on the roof of the mouth. The largest species in the family is Lethrinus olivaceus with a maximum published total length of 100 cm (39 in) while the smallest are Lethrinus mitchelli and Lethrinus variegatus both with
858-594: Is known for its rich oil, i.e. petroleum production due to its geographical location. According to NASA's Gravity Recovery and Climate Experiment (GRACE) satellite data (2003–2013) analysed in a University of California, Irvine (UCI) -led study published in Water Resources Research on 16 June 2015, the most over-stressed aquifer system in the world is the Arabian Aquifer System , upon which more than 60 million people depend for water. Twenty-one of
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#1733105785469936-731: Is located in the continent of Asia and is bounded by (clockwise) the Persian Gulf on the northeast, the Strait of Hormuz and the Gulf of Oman on the east, the Arabian Sea on the southeast, the Gulf of Aden , and the Guardafui Channel on the south, and the Bab-el-Mandeb strait on the southwest and the Red Sea, which is located on the southwest and west. The northern portion of the peninsula merges with
1014-647: Is the location of the Kaaba , Islam's holiest site, and the Masjid al-Nabawi (the Prophet's Mosque) in Medina is the location of Muhammad 's grave; as a result, from the 7th century, Mecca and Medina became the pilgrimage destinations for large numbers of Muslims from across the Islamic world . Despite its spiritual importance, in political terms Arabia soon became a peripheral region of
1092-407: Is unsuited to agriculture, making irrigation and land reclamation projects essential. The narrow coastal plain and isolated oases, amounting to less than 1% of the land area, are used to cultivate grains, coffee and tropical fruits . Goat, sheep, and camel husbandry is widespread elsewhere throughout the rest of the Peninsula. Some areas have a summer humid tropical monsoon climate , in particular
1170-569: The Prodromus of Augustin Pyramus de Candolle and the Genera Plantarum of George Bentham and Joseph Dalton Hooker this word ordo was used for what now is given the rank of family. Families serve as valuable units for evolutionary, paleontological, and genetic studies due to their relatively greater stability compared to lower taxonomic levels like genera and species. Families play
1248-721: The Al Saud , began in Najd in central Arabia in 1744, when Muhammad bin Saud , founder of the dynasty, joined forces with the religious leader Muhammad ibn Abd al-Wahhab , founder of the Wahhabi movement , a strict puritanical form of Sunni Islam. The Emirate of Diriyah established in the area around Riyadh rapidly expanded and briefly controlled most of the present-day territory of Saudi Arabia, sacking Karbala in 1802, and capturing Mecca in 1803. The Damascus Protocol of 1914 provides an illustration of
1326-755: The Arabs ' ), or Arabia , is a peninsula in West Asia , situated northeast of Africa on the Arabian Plate . At 3,237,500 km (1,250,000 sq mi), comparable in size to India , the Arabian Peninsula is the largest peninsula in the world. Geographically, the Arabian Peninsula includes Bahrain , Kuwait , Oman , Qatar , Saudi Arabia , the United Arab Emirates (UAE) and Yemen , as well as southern Iraq and Jordan . The largest of these
1404-451: The Dhofar and Al Mahrah areas of Oman and Yemen. These areas allow for large scale coconut plantations. Much of Yemen has a tropical monsoon rain influenced mountain climate. The plains usually have either a tropical or subtropical arid desert climate or arid steppe climate . The sea surrounding the Arabian Peninsula is generally tropical sea with a very rich tropical sea life and some of
1482-577: The First Islamic State - a single Arab Muslim religious polity in the Arabian Peninsula. Under the subsequent Rashidun and Umayyad Caliphates , rapid expansion of Arab power well beyond the Arabian peninsula formed a vast Muslim Arab Empire with an area of influence that stretched from the northwest Indian subcontinent , across Central Asia , the Middle East , North Africa , southern Italy , and
1560-567: The Hejaz ( Tihamah for the western coast), as described by Ibn al-Faqih . In antiquity, the term "Arabia" encompassed a larger area than the current term "Arabian Peninsula" and included the Arabian desert and large parts of the Syrian-Arabian desert . During the Hellenistic period , the area was known as Arabia ( Ancient Greek : Ἀραβία ). The Romans named three regions "Arabia": One of
1638-704: The Iberian Peninsula , to the Pyrenees . With Muhammad's death in 632, disagreement broke out over who would succeed him as leader of the Muslim community. Umar ibn al-Khattab , a prominent companion of Muhammad, nominated Abu Bakr , who was Muhammad's intimate friend and collaborator. Others added their support and Abu Bakr was made the first caliph . This choice was disputed by some of Muhammad's companions, who held that Ali ibn Abi Talib , his cousin and son-in-law, had been designated his successor. Abu Bakr's immediate task
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#17331057854691716-564: The Indian Ocean to the southeast. The peninsula plays a critical geopolitical role in the Arab world and globally due to its vast reserves of oil and natural gas . Before the modern era, the region was divided into primarily four distinct regions: the Central Plateau ( Najd and Al-Yamama ), South Arabia ( Yemen , Hadhramaut and Oman ), Al-Bahrain (Eastern Arabia or Al-Hassa ), and
1794-489: The Islamic world , in which the most important medieval Islamic states were based at various times in such far away cities as Damascus , Baghdad , and Cairo . However, from the 10th century (and, in fact, until the 20th century) the Hashemite Sharifs of Mecca maintained a state in the most developed part of the region, the Hejaz . Their domain originally comprised only the holy cities of Mecca and Medina but in
1872-620: The Nefud Desert dates to approximately 90,000 years ago and is the oldest human fossil discovered outside of Africa and the Levant. This indicates human migrations from Africa to Arabia occurred around this time. The Arabian Peninsula may have been the homeland of a ' Basal Eurasian ' population, which diverged from other Eurasians soon after the Out-of-Africa migration, and subsequently became isolated, until it started to mix with other populations in
1950-725: The Rashidun or "rightly guided" Caliphate . Under the Rashidun Caliphs, and, from 661, their Umayyad successors , the Arabs rapidly expanded the territory under Muslim control outside of Arabia. In a matter of decades Muslim armies decisively defeated the Byzantine army and destroyed the Persian Empire , conquering huge swathes of territory from the Iberian peninsula to India. The political focus of
2028-708: The Socotra Archipelago , the Peninsula's geopolitical outline faces the Guardafui Channel and the Somali Sea to the south. The six countries of Bahrain, Kuwait, Oman, Qatar, Saudi Arabia, and the UAE form the Gulf Cooperation Council (GCC). The Kingdom of Saudi Arabia covers the greater part of the Peninsula. The majority of the population of the Peninsula lives in Saudi Arabia and Yemen. The Peninsula contains
2106-459: The Syrian Desert with no clear borderline, although the northern boundary of the peninsula is generally considered to be the northern borders of Saudi Arabia and Kuwait, also southern regions of Iraq and Jordan. The most prominent feature of the peninsula is desert , but in the southwest, there are mountain ranges, which receive greater rainfall than the rest of the peninsula. Harrat ash Shaam
2184-505: The Tuwayr , Shammar and Dhofar generally do not exceed 1,000 m (3,300 ft) in height. Not all mountains in the peninsula are visibly within ranges. Jebel Hafeet in particular, on the border of the UAE and Oman, measuring between 1,100 and 1,300 m (3,600 and 4,300 ft), is not within the Hajar range, but may be considered an outlier of that range. Most of the Arabian Peninsula
2262-465: The United States –led 2003 invasion of Iraq . Despite its historically sparse population, political Arabia stands out for its rapid population growth, driven by both significant inflows of migrant labor and persistently high birth rates. The population is characterized by its relative youth and a heavily skewed gender ratio favoring males. In several states, the number of South Asians surpasses that of
2340-464: The nomes of Ptolemaic Egypt was named Arabia . Arabians used a north–south division of Arabia: ash-Sham vs. al-Yaman , or Arabia Deserta vs. Arabia Felix . Arabia Felix had originally been used for the whole peninsula, and at other times only for the southern region. Because its use became limited to the south, the whole peninsula was simply called Arabia. Arabia Deserta was the entire desert region extending north from Arabia Felix to Palmyra and
2418-447: The -idae suffix for animal family names, derived from the Greek 'eidos' meaning 'resemblance' or 'like'. The adoption of this naming convention helped establish families as an important taxonomic rank. By the mid-1800s, many of Linnaeus's broad genera were being elevated to family status to accommodate the rapidly growing number of newly discovered species. In nineteenth-century works such as
Lethrinidae - Misplaced Pages Continue
2496-634: The 13th century it was extended to include the rest of the Hejaz . Although, the Sharifs exercised at most times independent authority in the Hejaz , they were usually subject to the suzerainty of one of the major Islamic empires of the time. In the Middle Ages, these included the Abbasids of Baghdad , and the Fatimids , Ayyubids , and Mamluks of Egypt . The provincial Ottoman Army for Arabia (Arabistan Ordusu)
2574-622: The Euphrates, including all the area between Pelusium on the Nile and Babylon. This area was also called Arabia and not sharply distinguished from the peninsula. The Arabs and the Ottoman Empire considered the west of the Arabian Peninsula region where the Arabs lived 'the land of the Arabs' – Bilad al-'Arab ( Arabia ), and its major divisions were the bilad al-Sham ( Levant ), bilad al-Yaman ( Yemen ), and Bilad al-'Iraq ( Iraq ). The Ottomans used
2652-561: The Gulf Cooperation Council's mediation. He eventually handed power to Vice President Hadi, who was sworn in as President of Yemen on 25 February 2012. Hadi launched a national dialogue to address new constitutional, political and social issues. The Houthi movement , dissatisfied with the outcomes of the national dialogue, launched an offensive and stormed the Yemeni capital Sanaa on 21 September 2014. In response, Saudi Arabia launched
2730-532: The Middle East since around 25,000 years ago. These different Middle Eastern populations would later spread Basal Eurasian ancestry via the Neolithic Revolution to all of Western Eurasia. There is evidence that human habitation in the Arabian Peninsula dates back to about 106,000 to 130,000 years ago. The harsh climate historically prevented much settlement in the pre-Islamic Arabian Peninsula, apart from
2808-609: The Muslim world then shifted to the newly conquered territories. Nevertheless, Mecca and Medina remained the spiritually most important places in the Muslim world . The Qur'an requires every able-bodied Muslim who can afford it, as one of the five pillars of Islam , to make a pilgrimage, or Hajj , to Mecca during the Islamic month of Dhu al-Hijjah at least once in his or her lifetime. The Masjid al-Haram (the Grand Mosque) in Mecca
2886-514: The Saudi Arabian border and rallied popular support. The royalist side received support from Saudi Arabia, while the republicans were supported by Egypt and the Soviet Union. Both foreign irregular and conventional forces were also involved. The Egyptian President , Gamal Abdel Nasser , supported the republicans with as many as 70,000 troops. Despite several military moves and peace conferences,
2964-618: The Sparidae. This family has been subdivided into two subfamilies by some authors, the monotypic Lethrininae, containing the genus Lethrinus and the Monotaxinae, containing the remaining genera. This validity of these subfamilies is not supported by the 5th edition of Fishes of the World. The following four genera (including 45 species) are classified within the familey Lethrinidae: Lethrinidae takes its name from its type genus , Lethrinus which
3042-736: The Spariformes is recognised as a valid order within the Percomorpha containing six families, with the Centrarchidae retained in the Perciformes, and Callanthidae, Sillaginidae and Lobotidae included. Other workers have found that the Centrarchidae is synonymous with Sparidae and that the Spariformes contains only the remaining three families of the "Sparoid lineage". This family and the Nemipteridae are more closely related to each other than they are to
3120-563: The biblical land of Sheba ). From 106 AD to 630 AD northwestern Arabia was under the control of the Roman Empire , which renamed it Arabia Petraea . Central Arabia was the location of the Kingdom of Kinda in the 4th, 5th and early 6th centuries. Eastern Arabia was home to the Dilmun civilization . The earliest known events in Arabian history are migrations from the peninsula into neighbouring areas. The Arabian Peninsula has long been accepted as
3198-409: The biggest ongoing threat believed to be coastal construction activity altering the marine environment. The fertile soils of Yemen have encouraged settlement of almost all of the land from sea level up to the mountains at 10,000 feet (3,000 m). In the higher elevations, elaborate terraces have been constructed to facilitate grain, fruit, coffee, ginger and khat cultivation. The Arabian peninsula
Lethrinidae - Misplaced Pages Continue
3276-551: The diet, for example, species such as the humpnose big-eye bream ( Monotaxis grandoculis ) possesses large, well-developed molar-like teeth with a short, blunt snout and preys largely on molluscs, sea urchins and other hard-shelled benthic invertebrates while species such as Lethrinus olivaceus has jaws equipped with conical teeth at the sides and a long, sloping snout and its prey is largely other fishes and crustaceans. They are mostly nocturnal feeders and some species undertake diel migrations to feed in different habitats at night from
3354-445: The diurnal habitat. Lethrinids are solitary but some species gather in small aggregations, although they will gather together in large numbers to spawn. Spawning appears to be a night time activity and has been little studied. Lethrinidae species are an important component of some commercial, artisanal and recreational fisheries and their importance in any fishery varies geographically and over time. The valuable species ti fisheries are
3432-435: The east) constituting only a quarter of people aged between 20 and 40. The eleven most populous cities on the Arabian Peninsula are: The rocks exposed vary systematically across Arabia, with the oldest rocks exposed in the Arabian-Nubian Shield near the Red Sea, overlain by earlier sediments that become younger towards the Persian Gulf. Perhaps the best-preserved ophiolite on Earth, the Semail Ophiolite , lies exposed in
3510-421: The eastern Al-Qassim Province , which would indicate that many prehistoric sites, located along a network of rivers, had once existed in the area. Acheulean tools found in Saffaqah, Riyadh Region reveal that hominins lived in the Arabian Peninsula around 188,000 years ago. Human habitation in Arabia may have occurred as early as 130,000 years ago. A fossilized Homo sapiens finger bone found at Al Wusta in
3588-444: The eastern, southern and northwestern borders of the peninsula. Broadly, the ranges can be grouped as follows: From the Hejaz southwards, the mountains show a steady increase in altitude westward as they get nearer to Yemen, and the highest peaks and ranges are all located in Yemen. The highest, Jabal An-Nabi Shu'ayb or Jabal Hadhur of the Haraz subrange of the Sarawat range, is 3,666 metres (12,028 ft) high. By comparison,
3666-462: The larger and commoner species while the smaller and uncommon species are not valued. They are most commonly caught in Mauritius, the Arabian Peninsula and Fiji. Family (biology) Family ( Latin : familia , pl. : familiae ) is one of the eight major hierarchical taxonomic ranks in Linnaean taxonomy . It is classified between order and genus . A family may be divided into subfamilies , which are intermediate ranks between
3744-406: The literature. Family names are typically formed from the stem of a type genus within the family. In zoology, when a valid family name is based on a genus that is later found to be a junior synonym , the family name may be maintained for stability if it was established before 1960. In botany, some family names that were found to be junior synonyms have been conserved due to their widespread use in
3822-402: The modern era, the term bilad al-Yaman came to refer specifically to the southwestern parts of the peninsula. Arab geographers started to refer to the whole peninsula as 'jazirat al-Arab', or the peninsula of the Arabs. The railway was started in 1900 at the behest of the Ottoman Sultan Abdul Hamid II and was built largely by the Turks , with German advice and support. A public subscription
3900-437: The modern state of Saudi Arabia. The Saudis absorbed the Emirate of Asir , with their expansion only ending in 1934 after a war with Yemen . Two Saudi states were formed and controlled much of Arabia before Ibn Saud was even born. Ibn Saud, however, established the third Saudi state. The second major development has been the discovery of vast reserves of oil in the 1930s. Its production brought great wealth to all countries of
3978-472: The mountains of the UAE and northern Oman. The peninsula consists of: Arabia has few lakes or permanent rivers. Most areas are drained by ephemeral watercourses called wadis , which are dry except during the rainy season. Plentiful ancient aquifers exist beneath much of the peninsula, however, and where this water surfaces, oases form (e.g. Al-Hasa and Qatif , two of the world's largest oases ) and permit agriculture, especially palm trees , which allowed
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#17331057854694056-436: The native population. The four smallest states (by area), with coastlines entirely bordering the Persian Gulf, showcase the world's most extreme population growth, nearly tripling every two decades. In 2014, the estimated population of the Arabian Peninsula was 77,983,936 (including expatriates). The Arabian Peninsula is known for having one of the most uneven adult sex ratios in the world, with females in some regions (especially
4134-404: The original Urheimat of the Semitic languages by most scholars. The seventh century saw the rise of Islam as the peninsula's dominant religion. The Islamic prophet Muhammad was born in Mecca in about 570 and first began preaching in the city in 610, but migrated to Medina in 622. From there he and his companions united the tribes of Arabia under the banner of Islam and created
4212-399: The peninsula to produce more dates than any other region in the world. In general, the climate is extremely hot and arid , although there are exceptions. Higher elevations are made temperate by their altitude, and the Arabian Sea coastline can receive cool, humid breezes in summer due to cold upwelling offshore. The peninsula has no thick forests. Desert-adapted wildlife is present throughout
4290-907: The primary level for taxonomic identification keys, making them particularly valuable for field guides and systematic work as they often represent readily recognizable groups of related organisms with shared characteristics. In ecological and biodiversity research, families frequently serve as the foundational level for identification in survey work and environmental studies. This is particularly useful because families often share life history traits or occupy similar ecological niches . Some families show strong correlations between their taxonomic grouping and ecological functions, though this relationship varies among different groups of organisms. The stability of family names has practical importance for applied biological work, though this stability faces ongoing challenges from new scientific findings. Modern molecular studies and phylogenetic analyses continue to refine
4368-488: The ranks of family and genus. The official family names are Latin in origin; however, popular names are often used: for example, walnut trees and hickory trees belong to the family Juglandaceae , but that family is commonly referred to as the "walnut family". The delineation of what constitutes a family—or whether a described family should be acknowledged—is established and decided upon by active taxonomists . There are not strict regulations for outlining or acknowledging
4446-435: The region, with the exception of Yemen. The North Yemen Civil War was fought in North Yemen between royalists of the Mutawakkilite Kingdom of Yemen and factions of the Yemen Arab Republic from 1962 to 1970. The war began with a coup d'état carried out by the republican leader, Abdullah as-Sallal , which dethroned the newly crowned Muhammad al-Badr and declared Yemen a republic under his presidency. The Imam escaped to
4524-419: The region. A plateau more than 2,500 feet (760 m) high extends across much of the Arabian Peninsula. The plateau slopes eastwards from the massive, rifted escarpment along the coast of the Red Sea, to the shallow waters of the Persian Gulf. The interior is characterized by cuestas and valleys, drained by a system of wadis . A crescent of sand and gravel deserts lies to the east. There are mountains at
4602-558: The regional relationships. Arabs living in one of the existing districts of the Arabian peninsula, the Emirate of Hejaz , asked for a British guarantee of independence. Their proposal included all Arab lands south of a line roughly corresponding to the northern frontiers of present-day Syria and Iraq. They envisioned a new Arab state, or confederation of states, adjoining the southern Arabian Peninsula. It would have comprised Cilicia – İskenderun and Mersin , Iraq with Kuwait, Syria, Mount Lebanon Mutasarrifate , Jordan, and Palestine . In
4680-499: The ruling Ottoman Empire and creating a single unified Arab state spanning from Aleppo in Syria to Aden in Yemen. During World War I, the Sharif Hussein entered into an alliance with the United Kingdom and France against the Ottomans in June 1916. These events were followed by the foundation of Saudi Arabia under King Abdulaziz Ibn Saud . In 1902, Ibn Saud had captured Riyadh . Continuing his conquests, Abdulaziz subdued Al-Hasa, Jabal Shammar , Hejaz between 1913 and 1926 founded
4758-486: The scientific literature. The family-group in zoological nomenclature includes several ranks: superfamily (-oidea), family (-idae), subfamily (-inae), and tribe (-ini). Under the principle of coordination, a name established at any of these ranks can be moved to another rank while retaining its original authorship and date, requiring only a change in suffix to reflect its new rank. New family descriptions are relatively rare in taxonomy, occurring in fewer than one in
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#17331057854694836-512: The seventy-six groups of plants he recognised in his tables families ( familiae ). The concept of rank at that time was not yet settled, and in the preface to the Prodromus Magnol spoke of uniting his families into larger genera , which is far from how the term is used today. In his work Philosophia Botanica published in 1751, Carl Linnaeus employed the term familia to categorize significant plant groups such as trees , herbs , ferns , palms , and so on. Notably, he restricted
4914-467: The term Arabistan in a broad sense for the region starting from Cilicia , where the Euphrates river makes its descent into Syria, through Palestine , and on through the remainder of the Sinai and Arabian peninsulas. The provinces of Arabia were: Al Tih, the Sinai peninsula, Hejaz, Asir, Yemen, Hadramaut, Mahra and Shilu, Oman, Hasa, Bahrain, Dahna, Nufud, the Hammad, which included the deserts of Syria, Mesopotamia and Babylonia. The Arabian Peninsula
4992-481: The thirty seven largest aquifers "have exceeded sustainability tipping points and are being depleted" and thirteen of them are "considered significantly distressed". Stone tools from the Middle Paleolithic age along with fossils of other animals discovered at Ti's al Ghadah, in northwestern Saudi Arabia, might imply that hominins migrated through a "Green Arabia" between 300,000 and 500,000 years ago. 200,000-year-old stone tools were discovered at Shuaib Al-Adgham in
5070-749: The understanding of family relationships, sometimes leading to reclassification. The impact of these changes varies among different groups of organisms – while some families remain well-defined and easily recognizable, others require revision as new evidence emerges about evolutionary relationships. This balance between maintaining nomenclatural stability and incorporating new scientific discoveries remains an active area of taxonomic practice. Arabian Peninsula The Arabian Peninsula ( / ə ˈ r eɪ b i ə n p ə n ɪ n sj u l ə / ; Arabic : شِبْهُ الْجَزِيرَة الْعَرَبِيَّة , shibhu l-jazīra l-ʿarabiyya , "Arabian Peninsula" or جَزِيرَةُ الْعَرَب , jazīratu l-ʿarab , lit. ' Island of
5148-459: The use of this term solely within the book's morphological section, where he delved into discussions regarding the vegetative and generative aspects of plants. Subsequently, in French botanical publications, from Michel Adanson 's Familles naturelles des plantes (1763) and until the end of the 19th century, the word famille was used as a French equivalent of the Latin ordo (or ordo naturalis ). The family concept in botany
5226-401: The war in Yemen as analogous to the United States ' role in the Vietnam War . In 1990, Iraq invaded Kuwait. The invasion of Kuwait by Iraqi forces led to the 1990–91 Gulf War . Egypt, Qatar, Syria, and Saudi Arabia joined a multinational coalition that opposed Iraq. Displays of support for Iraq by Jordan and Palestine resulted in strained relations between many of the Arab states. After
5304-425: The war sank into a stalemate. Egypt's commitment to the war is considered to have been detrimental to its performance in the Six-Day War of June 1967, after which Nasser found it increasingly difficult to maintain his army's involvement and began to pull his forces out of Yemen. By 1970, King Faisal of Saudi Arabia recognized the republic and a truce was signed. Egyptian military historians refer to Egypt's role in
5382-539: The war, a so-called "Damascus Declaration" formalized an alliance for future joint Arab defensive actions between Egypt, Syria, and the GCC member states. The Arab Spring reached Yemen in January 2011. People of Yemen took to the street demonstrating against three decades of rule by President Ali Abdullah Saleh . The demonstration led to cracks in the ruling General People's Congress (GPC) and Saleh's Sanhani clan. Saleh used tactics of concession and violence to save his presidency. After numerous attempts, Saleh accepted
5460-453: The world's largest reserves of oil. Saudi Arabia and the UAE are economically the wealthiest in the region. Qatar, the only peninsular country in the Persian Gulf on the larger peninsula, is home to the Arabic-language television station Al Jazeera and its English-language subsidiary Al Jazeera English . Kuwait, on the border with Iraq, is an important country strategically, forming one of the main staging grounds for coalition forces mounting
5538-578: The world's largest, undestroyed and most pristine coral reefs. In addition, the organisms living in symbiosis with the Red Sea coral, the protozoa and zooxanthellae , have a unique hot weather adaptation to sudden rise (and fall) in sea water temperature. Hence, these coral reefs are not affected by coral bleaching caused by rise in temperature as elsewhere in the indopacific coral sea. The reefs are also unaffected by mass tourism and diving or other large scale human interference. The Persian gulf has suffered significant loss and degradation of coral reefs with
5616-519: Was first proposed as a family name by the French zoologist Charles Lucien Bonaparte in 1831. Traditionally this family has been classified within the Perciformes , as part of the group of families some authorities called the "Sparoid lineage", this included the families Centrarchidae , Nemipteridae , Lethrinidae and Sparidae . Molecular phylogenetics as used in more modern classifications has meant that
5694-412: Was further developed by the French botanists Antoine Laurent de Jussieu and Michel Adanson . Jussieu's 1789 Genera Plantarum divided plants into 100 'natural orders,' many of which correspond to modern plant families. However, the term 'family' did not become standardized in botanical usage until after the mid-nineteenth century. In zoology , the family as a rank intermediate between order and genus
5772-567: Was headquartered in Syria , which included Palestine, the Transjordan region in addition to Lebanon ( Mount Lebanon was, however, a semi-autonomous mutasarrifate ). It was put in charge of Syria, Cilicia, Iraq, and the remainder of the Arabian Peninsula. The Ottomans never had any control over central Arabia, also known as the Najd region. The emergence of what was to become the Saudi royal family, known as
5850-435: Was introduced by Pierre André Latreille in his Précis des caractères génériques des insectes, disposés dans un ordre naturel (1796). He used families (some of them were not named) in some but not in all his orders of "insects" (which then included all arthropods ). The standardization of zoological family names began in the early nineteenth century. A significant development came in 1813 when William Kirby introduced
5928-593: Was opened throughout the Islamic world to fund the construction. The railway was to be a waqf , an inalienable religious endowment or charitable trust. The major developments of the early 20th century were the Arab Revolt during World War I and the subsequent collapse and partitioning of the Ottoman Empire . The Arab Revolt (1916–1918) was initiated by the Sherif Hussein ibn Ali with the aim of securing independence from
6006-471: Was the name in Greek for fishes in the Sparid genus Pagellus . Lethrinidae breams have a continuous dorsal fin which is supported by 10 spines and 9 or 10 soft rays and an anal fin that is supported by 3 spines and between 9 and 10 soft rays. They have an emarginate or forked caudal fin . The terminal mouth varies in size from small to medium-sized and has thick, fleshy lips and a potrusible upper jaw. There
6084-451: Was to avenge a recent defeat by Byzantine (or Eastern Roman Empire ) forces, although he first had to put down a rebellion by Arab tribes in an episode known as the Ridda wars , or "Wars of Apostasy". On his death in 634, he was succeeded by Umar as caliph, followed by Uthman ibn al-Affan and Ali ibn Abi Talib . The period of these first four caliphs is known as al-khulafā' ar-rāshidūn :
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