The Mormyridae, sometimes called "elephantfish", are a superfamily of weakly electric fish in the order Osteoglossiformes native to Africa. It is by far the largest family in the order, with around 200 species. Members of the family can be popular, if challenging, aquarium species. These fish have a large brain size and unusually high intelligence.
The blunt-jawed elephantnose or wormjawed mormyrid is a species of elephantfish. It is found in rivers in West and Middle Africa. It is brown or black with a long elephant-like snout with the mouth located near the tip. Its diet consists of worms, fish, and insects.
Gnathonemus is a genus of freshwater ray-finned fishes belonging to the family Mormyridae, the elephantfishes. The fishes in this genus are found in subsaharan 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.
The subfamily Mormyrinae contains all but one of the genera of the African freshwater fish family Mormyridae in the order Osteoglossiformes. They are often called elephantfish due to a long protrusion below their mouths used to detect buried invertebrates that is suggestive of a tusk or trunk. They can also be called tapirfish.
Boulengeromyrus is a monospecific genus of freshwater ray-finned fish belonging to the family Mormyridae, the elephantfishes. The only species in the genus is Knoepffler's elephantfish. It occurs only in the Ivindo River and the Ntem River basins of Gabon and Cameroon. It reaches a maximum length of about 41 cm (16 in).
Brienomyrus is a genus of small elephantfish in the family Mormyridae from Africa. Usually available in the pet trade, these fish are commercially referred to as baby whales or baby whalefish.
Campylomormyrus is a genus of elephantfish in the family Mormyridae.
Genyomyrus is a monospecific genus of freshwater fish belonging to the family Mormyridae, the elephantfishes. The only species in the genus is Genyomyrus donnyi which is endemic to the Congo River. It reaches a length of about 45 cm (1.5 ft).
Isischthys is a monospecific genus of freshwater ray-finned fish belonging to the family Mormyridae, the elephantfishes. The only species in the genus is Isichthys henryi. It occurs in coastal river basins in West Africa, ranging as far southeast as the Kouilou-Niari River in Middle Africa. It reaches a length of about 29 cm (11 in).
Ivindomyrus is a genus of freshwater ray-finned fish belonging to the family Mormyridae, the elephantfishes. These fishes are found in rivers in Middle Africa.
Myomyrus is a genus of elephantfish in the family Mormyridae. Its members reach about 25–30 cm (10–12 in) in length and are restricted to the Congo River Basin in Africa.
Paramormyrops is a genus of elephantfish in the family Mormyridae from Africa.
Petrocephalus is a genus of ray-finned fish in the family Mormyridae. All the fish species of this genus are endemic to Africa.
Stomatorhinus is a genus of small elephantfish in the family Mormyridae.
Cryptomyrus is a genus of mormyrid fish native to Gabon.
The Mormyroidea are a superfamily of fresh water fishes endemic to Africa that, together with the families Hiodontidae, Osteoglossidae, Pantodontidae and Notopteridae, represents one of the main groups of living Osteoglossiformes. They stand out for their use of weak electric fields, which they use to orient themselves, reproduce, feed, and communicate.
Brevimyrus is a monospecific genus of freshwater ray-finned fish belonging to the family Mormyridae, the elephantfishes. The only species in the genus is Brevimyrus niger which is found in the larger drainage systems of the Sahel and Sudanese savanna including the Senegal, Gambia, Niger, Volta, Ouémé and Chad, it is also known from White Nile.
Brevimyrus niger is an African freshwater fish of the family Mormyridae.
Petrocephalus odzalaensis is a species of weakly electric fish in the family Mormyridae, commonly known as elephantfishes. This species was described in 2010 by Lavoué, Sullivan, and Arnegard.
