Osteoglossidae
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Osteoglossidae
Osteoglossidae is a family of large freshwater fish, which includes the arowanas and arapaima. The family contains two subfamilies Arapaiminae and Osteoglossinae, with a total of five living genera. Osteoglossids are basal teleosts that originated some time during the Cretaceous, and are placed in the actinopterygiid order Osteoglossiformes. As traditionally defined, the family includes several extant species from South America, one from Africa, one from Asia, and two from Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma .... References Osteoglossidae Ray-finned fish families {{Osteoglossiformes-stub ...
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Asian Arowana
The Asian arowana (''Scleropages formosus'') comprises several phenotypic varieties of freshwater fish distributed geographically across Southeast Asia. While most consider the different varieties to belong to a single species, work by Pouyaud ''et al.'' (2003) differentiates these varieties into multiple species. They have several other common names, including Asian bonytongue, dragonfish, and a number of names specific to the different color varieties. Native to Southeast Asia, Asian arowanas inhabit blackwater rivers, slow-moving waters flowing through forested swamps and wetlands. Adults feed on other fish, while juveniles feed on insects. These popular aquarium fish have special cultural significance in areas influenced by Chinese culture. The name 'dragonfish' stems from their resemblance to the Chinese dragon. This popularity has had both positive and negative effects on their status as endangered species. Evolution and taxonomy Like all members of the Osteoglossidae, As ...
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Scleropages
''Scleropages'' is a genus of fish in the family Osteoglossidae found in Asia and Australia. All of these species are carnivorous and have great jumping ability. These species are highly valued as aquarium fish, particularly by those from Asian cultures. In 2003, a study redescribed several naturally occurring color varieties of ''S. formosus'' into four separate species. The majority of researchers dispute these redescriptions, arguing that the published data are insufficient to justify recognizing more than one Southeast Asian species of ''Scleropages'' and that divergent haplotypes used to distinguish the color strains into isolated species were found within a single color strain, contradicting the findings. They are considered monotypic, consisting of closely related haplotypes based on color. The ancestor of the Australian arowanas: ''S. jardinii'' and ''S. leichardti'', diverged from the ancestor of the Asian arowanas about 140 million years ago, during the Early Cretaceous p ...
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Arapaiminae
Arapaiminae is a subfamily of freshwater osteoglossiform (bony-tongued) fishes belonging to the family Osteoglossidae. It includes the South American arapaimas of the Amazon and Essequibo basins and the African arowana (''Heterotis niloticus'') from the watersheds of the Sahelo-Sudanese region, Senegal, Gambia, and parts of Eastern Africa. This subfamily is sometimes raised to the rank of family, as Arapaimidae. A commonly used synonym is Heterotidinae, but according to the ICZN, Arapaiminae has priority. Arapaimines, along with other osteoglossomorphs, are of phylogenetic and evolutionary interest due to their trans-oceanic distribution, excellent fossil record, and position as one of the oldest living teleost lineages. The type-species of the group, ''Arapaima gigas'', is an important South American food source and charismatic representative of the region. Both ''Arapaima'' and ''Heterotis'' are cultured for food in their respective countries due to their heartiness and meat ...
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Arapaima
The arapaima, pirarucu, or paiche is any large species of bonytongue in the genus ''Arapaima'' native to the Amazon and Essequibo basins of South America. ''Arapaima'' is the type genus of the subfamily Arapaiminae within the family Osteoglossidae.Castello, L.; and Stewart, D.J (2008). Assessing CITES non-detriment findings procedures for Arapaima in Brazil.' NDF Workshop case studies (Mexico 2008), WG 8 – Fishes, Case study 1 They are among the world's largest freshwater fish, reaching as much as in length. They are an important food fish. They have declined in the native range due to overfishing and habitat loss. In contrast, arapaima have been introduced to several tropical regions outside the native range (within South America and elsewhere), where they are sometimes considered invasive species. In Kerala, India, arapaima escaped from aquaculture ponds after floods in 2018. Its Portuguese name, ''pirarucu'', derives from the Tupi language words ''pira'' and ''urucum'', ...
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Osteoglossinae
Arowanas are freshwater bony fish of the subfamily Osteoglossinae, also known as bony tongues (the latter name is now often reserved for Arapaiminae). In this family of fish, the head is bony and the elongated body is covered by large, heavy scales, with a mosaic pattern of canals. The dorsal and anal fins have soft rays and are long based, while the pectoral and ventral fins are small. The name "bonytongues" is derived from a toothed bone on the floor of the mouth, the "tongue", equipped with teeth that bite against teeth on the roof of the mouth. The arowana is a facultative air breather and can obtain oxygen from air by sucking it into its swim bladder, which is lined with capillaries like lung tissue. Evolution Within Osteoglossinae, the South America ''Osteoglossum'' arowanas diverged from the Asian and Australian ''Scleropages'' arowanas about 170 Mya, during the Middle Jurassic. The Osteoglossidae are the only exclusively freshwater fish family found on both sides of t ...
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Osteoglossidae
Osteoglossidae is a family of large freshwater fish, which includes the arowanas and arapaima. The family contains two subfamilies Arapaiminae and Osteoglossinae, with a total of five living genera. Osteoglossids are basal teleosts that originated some time during the Cretaceous, and are placed in the actinopterygiid order Osteoglossiformes. As traditionally defined, the family includes several extant species from South America, one from Africa, one from Asia, and two from Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma .... References Osteoglossidae Ray-finned fish families {{Osteoglossiformes-stub ...
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Joffrichthys
''Joffrichthys'' is a genus of prehistoric bony fish. This North American genus includes three species, ''J. symmetropterus'', ''J. tanyourus'' and ''J. triangulpterus''. The last species is known from the Paleocene of the Sentinel Butte Formation of North Dakota. See also * Prehistoric fish * List of prehistoric bony fish A ''list'' is any set of items in a row. List or lists may also refer to: People * List (surname) Organizations * List College Albert A. List College of Jewish Studies, known simply as List College, is the undergraduate school of the J ... References Prehistoric ray-finned fish genera Osteoglossidae {{osteoglossiformes-stub ...
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African Arowana
The African arowana or Nile arowana (''Heterotis niloticus'') is a species of bonytongue. Despite being called an "arowana", the African arowana is more closely related to arapaimas, the only other members in the subfamily Arapaiminae, than the South American, Asian, and Australian arowanas in the subfamily Osteoglossinae (Arapaiminae is sometimes considered to be a separate family from Osteoglossidae). Compared to these, the African arowana has a more terminal mouth and is the only one that feeds extensively on plankton. Description The African arowana is a long-bodied fish with large scales, long dorsal and anal fins set far back on the body, and a rounded caudal fin. Its height is 3.5 to 5.0 times standard length. It has been reported to reach up to long and weigh up to . This fish is gray, brown, or bronze in color. Coloration is uniform in adults, but juveniles often have dark longitudinal bands. African arowanas have air-breathing organs on its branchiae, enabling t ...
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Osteoglossum
''Osteoglossum'' is a genus of fish in the family Osteoglossidae. They reach about in length and are restricted to freshwater habitats in tropical South America. These predators mostly feed on arthropods like insects and spiders, but may also take small vertebrates such as other fish, frogs, lizards, snakes, mice, bats and small birds. They jump up to out of the water to pick the prey off branches, tree trunks or foliage, which has earned them the local name "water monkeys". They are the largest fish in the world that catch most of their food out of water. When breeding, the male protects the eggs and young by carrying them in the mouth. They are sometimes kept in aquarium An aquarium (plural: ''aquariums'' or ''aquaria'') is a vivarium of any size having at least one transparent side in which aquatic plants or animals are kept and displayed. Fishkeepers use aquaria to keep fish, invertebrates, amphibians, aq ...s, but they are predatory and require a very large tank. ...
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Phareodus
''Phareodus'' is a genus of freshwater fish from the Paleocene to the Eocene of Australia, Europe and North and South America. This genus includes at least four species,1997 "The species of †Phareodus (Teleostei: Osteoglossidae) from the Eocene of North America and their phylogenetic relationships." ''Journal of Vertebrate Paleontology'' 17(3):487-505 ''P. testis'' ( Leidy, 1873) and ''P. encaustus'' of North America, ''P. muelleri'' of Europe, and ''P. queenslandicus'' of Australia. Representatives have been found in the middle Eocene of Australia, Europe and North America, including the Green River Formation in Wyoming, United States. Fossils of the genus have also been found in the Paleocene (Tiupampan) Santa Lucía Formation of Bolivia. ''P. testis'' was a freshwater fish with an oval outline, a small head, and a slightly pointed snout. Its dorsal and anal fins were situated posteriorly, with the anal fin being larger. Its caudal fin was slightly forked. It had small pel ...
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Brychaetus
''Brychaetus'' is an extinct genus of prehistoric bony tongue fish known from the Late Cretaceous to the Eocene. It contains a single species, ''Brychaetus muelleri''. Its fossils have been found in Europe, North America, and northern Africa. This freshwater fish had very long teeth which are half bone and half enamel. It's thought to be related to the modern day arowana although the presence of a sclerotic ossicle in the fossil record would suggest that they were a deep water fish unlike modern day arowanas which are surface feeders. See also *Prehistoric fish *List of prehistoric bony fish A ''list'' is any set of items in a row. List or lists may also refer to: People * List (surname) Organizations * List College Albert A. List College of Jewish Studies, known simply as List College, is the undergraduate school of the J ... References Monotypic ray-finned fish genera Prehistoric ray-finned fish genera Osteoglossidae Prehistoric fish of Africa Prehistor ...
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Osteoglossiformes
Osteoglossiformes (Greek: "bony tongues") is a relatively primitive order of ray-finned fish that contains two sub-orders, the Osteoglossoidei and the Notopteroidei. All of at least 245 living species inhabit freshwater. They are found in South America, Africa, Australia and southern Asia, having first evolved in Gondwana before that continent broke up. In 2008 several new species of marine osteoglossiforms was described from the Danish Eocene Fur Formation dramatically increases the diversity of this group. This implies that the Osteoglossomorpha is not a primary freshwater fish group with the osteoglossiforms having a typical Gondwana distribution. The Gymnarchidae (the only species being ''Gymnarchus niloticus'', the African knifefish) and the Mormyridae are weakly electric fish able to sense their prey using electric fields. The mooneyes (Hiodontidae) are often classified here, but may also be placed in a separate order, Hiodontiformes. Members of the order are notable ...
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