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Holohalaelurus
''Holohalaelurus'' is a genus of deepwater catshark belonging to the family Pentanchidae, commonly known as Izak catsharks or hallelujah sharks. Member species of this genus are distributed in the western Indian Ocean off the coasts of various Southern African and East African countries, from Kenya to Namibia. Species * '' Holohalaelurus favus'' Human, 2006 (Honeycomb Izak) * '' Holohalaelurus grennian'' Human, 2006 (Grinning Izak) * '' Holohalaelurus melanostigma'' (Norman Norman or Normans may refer to: Ethnic and cultural identity * The Normans, a people partly descended from Norse Vikings who settled in the territory of Normandy in France in the 9th and 10th centuries ** People or things connected with the Norma ..., 1939) (Crying Izak) * '' Holohalaelurus punctatus'' ( Gilchrist, 1914) (White-spotted Izak) * '' Holohalaelurus regani'' (Gilchrist, 1922) (Izak catshark) References * Shark genera Taxa named by Henry Weed Fowler {{Shark-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Izak Catshark
The Izak catshark or simply Izak (''Holohalaelurus regani'') is a species of shark belonging to the Family (biology), family Pentanchidae, the deepwater catsharks. This species is common off the coasts of South Africa and southern Namibia. It typically inhabits the outer continental shelf at depths of , with the males found deeper than the females and juveniles. The Izak catshark has a short, wide, flattened head and a robust body tapering to a long, slender tail. It can be identified by its ornate color pattern of dark brown spots (in juveniles) or reticulations and blotches (in adults) on a light yellowish background, as well as by the enlarged dermal denticles over its pectoral fins and along its dorsal midline from the snout to the second dorsal fin. This species reaches in length, with the males larger than females. Benthic fish, Bottom-dwelling and perhaps relatively active in nature, the Izak catshark feeds mainly on a diverse array of bony fishes, crustaceans, and cephalo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Holohalaelurus
''Holohalaelurus'' is a genus of deepwater catshark belonging to the family Pentanchidae, commonly known as Izak catsharks or hallelujah sharks. Member species of this genus are distributed in the western Indian Ocean off the coasts of various Southern African and East African countries, from Kenya to Namibia. Species * '' Holohalaelurus favus'' Human, 2006 (Honeycomb Izak) * '' Holohalaelurus grennian'' Human, 2006 (Grinning Izak) * '' Holohalaelurus melanostigma'' (Norman Norman or Normans may refer to: Ethnic and cultural identity * The Normans, a people partly descended from Norse Vikings who settled in the territory of Normandy in France in the 9th and 10th centuries ** People or things connected with the Norma ..., 1939) (Crying Izak) * '' Holohalaelurus punctatus'' ( Gilchrist, 1914) (White-spotted Izak) * '' Holohalaelurus regani'' (Gilchrist, 1922) (Izak catshark) References * Shark genera Taxa named by Henry Weed Fowler {{Shark-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
White-spotted Izak
The white-spotted Izak or African spotted catshark (''Holohalaelurus punctatus'') is a species of shark belonging to the family Pentanchidae, the deepwater catsharks. It is found in the western Indian Ocean off the coasts of Natal, South Africa, southern Mozambique, Madagascar, Kenya, and Tanzania between latitudes 4° S and 37° S, at depths of between 220 and 440 m. It can grow up to 35 cm in length. Taxonomy The white-spotted Izak or African spotted Catshark is classified under the genus Holohalaelurus, and belongs to the species H.punctatus. They have two scientific names that are considered synonyms and they are Holohalaelurus polystigma (Regan, 1921), and Scylliorhinus punctatus Gilchrist, 1914. Most commonly referred to as the African Spotted Catshark, resides along the upper continental slope at depths of 220–420 m off South Africa, southern Mozambique, and Madagascar in the Western Indian Ocean. They are small sharks only getting to 34 cm in length. Adu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Honeycomb Izak
The honeycomb Izak or Natal Izak (''Holohalaelurus favus'') is a species of shark belonging to the family Pentanchidae, the deepwater catsharks. This species is found in the Western Indian Ocean, near South Africa South Africa, officially the Republic of South Africa (RSA), is the Southern Africa, southernmost country in Africa. Its Provinces of South Africa, nine provinces are bounded to the south by of coastline that stretches along the Atlantic O .... It reaches a maximum length of around 50 cm. Since the mid-1970s, no specimens have been collected, even with recent biodiversity research cruises (2002 and 2003). References honeycomb Izak KwaZulu-Natal Marine fish of South Africa honeycomb Izak {{shark-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Crying Izak
The crying Izak (''Holohalaelurus melanostigma'') is a species of shark belonging to the family Pentanchidae, the deepwater catsharks. It is found in the western Indian Ocean off Mozambique and Tanzania Tanzania, officially the United Republic of Tanzania, is a country in East Africa within the African Great Lakes region. It is bordered by Uganda to the northwest; Kenya to the northeast; the Indian Ocean to the east; Mozambique and Malawi to t ..., at depths of between . It can grow up to in length. References * Compagno, Dando, & Fowler, ''Sharks of the World'', Princeton University Press, New Jersey 2005 {{DEFAULTSORT:Crying Izak Holohalaelurus Fish described in 1939 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Grinning Izak
The grinning Izak or East African spotted Izak (''Holohalaelurus grennian'') is a species of shark belonging to the family Pentanchidae, the deepwater catsharks. This species is found in the waters of the Western Indian Ocean, near Kenya Kenya, officially the Republic of Kenya, is a country located in East Africa. With an estimated population of more than 52.4 million as of mid-2024, Kenya is the 27th-most-populous country in the world and the 7th most populous in Africa. .... References Holohalaelurus Fish described in 2006 {{shark-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pentanchidae
Pentanchidae, the deepwater catsharks, is a family of sharks belonging to the order Carcharhiniformes Carcharhiniformes ( from Classical Greek ' (karcharos) 'sharp/jagged' and ' (rhinos) 'nose', plus Latin ''forme'' 'shape'), commonly known as ground sharks, are the largest order of sharks, with over 270 species. They include a number of common .... The deepwater catsharks are found in the Atlantic, Indian and Pacific oceans. Genera Pentanchidae contains the following genera: References Carcharhiniformes Shark genera Taxa named by Hugh McCormick Smith {{shark-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
John Dow Fisher Gilchrist
John Dow Fisher Gilchrist (1866–1926) was a Scottish ichthyologist, who established ichthyology as a scientific discipline in South Africa. He was instrumental in the development of marine biology in South Africa and of a scientifically based local fishing industry. Education and career Gilchrist was born in Anstruther, Fife, Scotland in 1866. His early education was at Madras College, St Andrews, Scotland. He studied at the University of St Andrews and the University of Edinburgh, graduating with a Bachelor of Science (BSc) and a Master of Arts (MA). He was awarded an Royal Commission for the Exhibition of 1851, 1851 Exhibition scholarship for advanced studies and research, which enabled him to study feeding in marine fishes. After further studies at the Ludwig Maximilian University of Munich, University of Munich and the University of Zurich he obtained his PhD in geology at Jena University in 1894. He studied marine biology in Naples, Monaco and the Isle of Man before retu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
John Roxborough Norman
John Roxborough Norman (1898, Wandsworth, London – 26 May 1944, Berkhamsted, Hertfordshire) was an English ichthyologist. He started as a clerk in a bank. His lifetime affliction with rheumatic fever began during his military service during the First World War. He entered the British Museum in 1921 where he worked for Charles Tate Regan (1878–1943). From 1939 to 1944, he was in charge of the Natural History Museum at Tring as the Curator of Zoology. Norman was the author of, among others, ''A History of Fishes'' (1931) and ''A Draft Synopsis of the Orders, Families and Genera of Recent Fishes'' (1957). He was considered closer to Albert Günther (1830–1914) than to Regan. Taxon described by him *See :Taxa named by John Roxborough Norman Taxon named in his honor *The fish ''Acnodon normani'' William Alonzo Gosline III, Gosline, 1951 *The fish ''Physiculus normani'' Rainer Brüss, Brüss, 1986 *The fish ''Poropanchax normani'' (Ernst Ahl, Ahl, 1928) *The mote sculpin ''Norm ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Brett A
Brett is an Irish and English surname of Breton origin. It arrived in both countries via the Norman Invasion of England and Norman Invasion of Ireland respectively. Irish Bretts are most commonly found in the counties of Tipperary, Waterford and Sligo. The given name Brett derives from the surname and can be either masculine or feminine. People with the surname * Adrian Brett (born 1945) English flutist and writer * Agnes Baldwin Brett (1876–1955), American numismatist * Bill Brett, Baron Brett (1942–2012), English politician and businessman * Bob Brett (1953−2021), Australian tennis coach * Brian Brett (speedway rider) (1938–2006), English speedway rider * Brian Brett (born 1950), Canadian writer * Charles Brett (1928–2005), Northern Irish lawyer * Charles Brett (politician) (1715–1799), British politician * Dorothy Brett (1883–1977), British-American painter * George Brett (born 1953), American baseball player, brother of Ken Brett * George Brett (general) (188 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Namibia
Namibia, officially the Republic of Namibia, is a country on the west coast of Southern Africa. Its borders include the Atlantic Ocean to the west, Angola and Zambia to the north, Botswana to the east and South Africa to the south; in the northeast, approximating a quadripoint, Zimbabwe lies less than 200 metres (660 feet) away along the Zambezi, Zambezi River near Kazungula, Zambia. Namibia's capital and largest city is Windhoek. Namibia is the driest country in sub-Saharan Africa, and has been inhabited since prehistoric times by the Khoekhoe, Khoi, San people, San, Damara people, Damara and Nama people. Around the 14th century, immigration, immigrating Bantu peoples arrived as part of the Bantu expansion. From 1600 the Ovambo people#History, Ovambo formed kingdoms, such as Ondonga and Oukwanyama. In 1884, the German Empire established rule over most of the territory, forming a colony known as German South West Africa. Between 1904 and 1908, German troops waged a punitive ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Henry Weed Fowler
Henry Weed Fowler (March 23, 1878 – June 21, 1965) was an American zoologist born in Holmesburg, Philadelphia, Holmesburg, Pennsylvania. He studied at Stanford University under David Starr Jordan. He joined the Academy of Natural Sciences in Philadelphia and worked as an assistant from 1903 to 1922, associate curator of vertebrates from 1922 to 1934, curator of fish and reptiles from 1934 to 1940 and curator of fish from 1940 to 1965. He published material on numerous topics including crustaceans, birds, reptiles and amphibians, but his most important work was on fish. In 1927 he co-founded the American Society of Ichthyologists and Herpetologists and acted as treasurer until the end of 1927. In 1934, he went to Cuba, alongside Charles Cadwalader (president of the Academy of Natural Sciences of Drexel University, Academy of Natural Sciences of Philadelphia), at the invitation of Ernest Hemingway to study billfishes, he stayed with Hemingway for six weeks and the three men devel ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
