| Distichodus | |
|---|---|
 | |
| Distichodus sexfasciatus | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Characiformes |
| Family: | Distichodontidae |
| Genus: | Distichodus J. P. Müller & Troschel, 1844 |
Distichodus is a genus of freshwater fish in the family Distichodontidae found in Africa.
There are currently 23 recognized species in this genus: [1]
African tetras are a group of characiform fish found exclusively in Africa. This family contains about 18 genera and 119 species. Among the best known members are the Congo tetra, and African tigerfish.
Sarotherodon is a genus of oreochromine cichlids that are native to the northern half of Africa, with a single species, S. galilaeus, also ranging into the Levant. A couple of species from this genus have been introduced far outside their native range, and are important in aquaculture. Most other species have small ranges and some are seriously threatened. They mainly inhabit fresh and brackish water, but a few can live in salt water. Species in this genus, as well as those in several other oreochromine and tilapiine genera, share the common name "tilapia" and historically they were included in the genus Tilapia.
Lamprologus is a genus of fishes from the cichlid family. They are native to Lake Tanganyika and the Congo River Basin in Africa. The type species for this genus is Lamprologus congoensis, a species from the Congo River. The genus is under some revision and may eventually be restricted to these riverine types.
Labeo is a genus of carps in the family Cyprinidae. They are found in freshwater habitats in the tropics and subtropics of Africa and Asia.
Mastacembelus is a genus of many species of spiny eel fish from the family Mastacembelidae. They are native to Africa and Asia. Most are found in rivers and associated systems, but there are also species in other freshwater habitats and a particularly rich radiation is found in the Lake Tanganyika basin with 15 species. A few species can even occur in brackish water.
Synodontis is the largest genus of mochokid catfishes. It is the biggest genus within the 10 genera and 190 different species in the family Mochokidae. Synodontis has over 131 different species within the genus. Synodontis are also known as squeakers, due to their ability to make stridulatory sounds through their pectoral fin spines when handled or disturbed. Synodontis make a sound that sounds like squeaking by rubbing their spines together. They do this when they have been frightened or when they become angry. Synodontis may also squeak when they are taken out of the water. These catfish are small- to medium-sized fish with many species exhibiting attractive spotted markings. Some species are also known for naturally swimming belly-up, earning the name upside-down catfish. Some of these species are Synodontis contractus and Synodontis nigriventris. While some of these species are known to swim upside down, another species, Synodontis multipunctatus, is a brood parasitic cuckoo catfish,there are two other species Synodontis petricola and Synodontis grandiops are also called brood parasitic cuckoo catfish.
Opsaridium is a genus of cyprinid fish found in Africa. Currently, 12 species are in this genus.
Varicorhinus is an invalid genus of ray-finned fishes in the family Cyprinidae. It was established by Eduard Rüppell in 1835 with V. beso as the type species. The prime distinguishing feature was designated as the shape of the mouth, and other species with a similar shape were soon added. However, this diagnostic did not prove to be monophyletic. In 2010, a synonymity of Varicorhinus and Labeobarbus was proposed based on mitochondrial cytochrome b gene. The synonymity was accepted by other researchers. The group of former Varicorhinus species inside Labeobarbus are called chiselmouths, while the remainder of Labeobarbus species are called rubberlips.
Brycinus is a genus of ray-finned fish in the family Alestiidae. Like other "African characids", they were formerly included in the Characidae but are actually somewhat more distantly related Characiformes.
Marcusenius is a genus of the elephantfish group native to Africa. Its members are highly diverse in size, with the smallest species reaching less than 15 cm (6 in) and the largest more than 1 m (3.3 ft).
Mormyrus is a genus of ray-finned fish in the family Mormyridae. They are weakly electric, enabling them to navigate, to find their prey, and to communicate with other electric fish.
Pollimyrus is a genus of elephantfishes native to Africa.
Mormyrops is a genus of weakly electric fish in the family Mormyridae from freshwater in Africa. They are characterized by an elongate head measuring twice as long as high, and no teeth on the palate or the tongue. The genus includes the largest member of the mormyrid family, the cornish jack at up to 1.5 m (4.9 ft) in length.
Labeobarbus is a mid-sized ray-finned fish genus in the family Cyprinidae. Its species are widely distributed throughout eastern Africa and especially southern Africa, but also in Lake Tana in Ethiopia. A common name, in particular for the southern species, is yellowfish. The scientific name refers to the fact that these large barbs recall the fairly closely related "carps" in the genus Labeo in size and shape. As far as can be told, all Labeobarbus species are hexaploid. One species, L. microbarbis from Rwanda, is known to have gone extinct in recent times.
Ctenopoma is a genus of climbing gouramies native to Africa. Microctenopoma has been included in Ctenopoma in the past; in contrast to that genus, Ctenopoma species are egg scatterers with no parental care.
Campylomormyrus is a genus of elephantfish in the family Mormyridae.
Cyphomyrus is a genus of ray-finned fish in the family Mormyridae, the freshwater elephantfishes.
Nannocharax is a genus of distichodontid freshwater fishes found in Africa.
Xenocharax is a genus of freshwater fish in the family Distichodontidae found in the Congo River Basin in Middle Africa.
Enteromius is a genus of small to medium-sized cyprinid fish native to tropical Africa. Most species were placed in the genus Barbus.
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