Pseudotropheus johannii or the bluegray mbuna is an African freshwater fish from the family Cichlidae.
George Sprague Myers was an American ichthyologist who spent most of his career at Stanford University. He served as the editor of Stanford Ichthyological Bulletin as well as president of the American Society of Ichthyologists and Herpetologists. Myers was also head of the Division of Fishes at the United States National Museum, and held a position as an ichthyologist for the United States Fish and Wildlife Service. He was also an advisor in fisheries and ichthyology to the Brazilian Government.
Nematobrycon palmeri, commonly known as the emperor tetra, is a species of characid fish found in the Atrato and San Juan river basins in western Colombia. It was first imported in the aquarium trade to the United States in 1960 and has since become well established.
The ruby tetra is a species of freshwater fish in the family Characidae. It is found in the Río Meta, Colombia, South America. In nature, it has a natural red colour, but this is somewhat lessened in captivity. Ruby tetras grow up to 4 cm (1.6 in) long.
Boehlkea fredcochui, also known as the Cochu's blue tetra is a species of characin. Its natural range is in the Amazon Basin. It is commonly kept as an aquarium fish.
Myloplus schomburgkii, also known as the Disk tetra, Disk pacu, Black-ear pacu, Black-band myleus or Black-barred myleus is a species of serrasalmid with a black bar on its side. This species is found in the middle and lower Amazon River basin, Nanay River, upper Orinoco River basin in Brazil, Peru, Venezuela and possibly in Suriname.
Ladigesia roloffi, the Sierra Leone dwarf characin, is a species of African tetra that is found in Sierra Leone and Liberia. It is the only member of its genus.
Axelrodia is a genus of small characin from the Amazon Basin and Meta River in South America, with three currently described species:
The royal tetra is a species of characin endemic to Brazil, where it is found in tributaries of the Aripuanã River. It is the sole member of its genus.
Hyphessobrycon bentosi, the Bentos tetra, ornate tetra, is a species of characin fish found in sluggish tributaries at the Amazon Basin in Brazil and Peru. Occasionally, it makes its way into the aquarium trade. It has often been confused with the rosy tetra.
Hyphessobrycon agulha is a species of tetra in the family Characidae. As a freshwater fish, it inhabits the basin of the Madeira River in Brazil along with parts of Peru and Bolivia, and it reaches a maximum length of 4.3 centimetres. Though it is mainly found in the wild, it is occasionally kept by fishkeepers and is sometimes confused with the neon tetra. The fish is primarily an insectivore, though it does eat vegetable matter. It is considered to form a group with other species in Hyphessobrycon as they share a dark stripe running lengthwise.
Hyphessobrycon boulengeri is a species of tetra belonging to the family charicidae. It is native to South America. It inhabits the Rio Grande do Sul, Brazil.
Copella eigenmanni is a species of fish in the splashing tetra family found along the Atlantic coast between Pará to Delta Amacuro, the mouth of the Orinoco. They grow no more than a few centimeters.
Copella nattereri or the spotted tetra is a species of fish in the splashing tetra family found in the upper Amazon basin, as well as the Rio Negro and Orinoco basins. They grow no more than a few centimeters.
Nannopetersius lamberti is a species of fish in the African tetra family, found in the African river basins of the Ntem, the Ogowe, the Nyanga and the Kouilou Rivers. This species reaches a length of 7.0 cm (2.8 in).
Nannopetersius mutambuei is a species of fish in the African tetra family, only found in the Inkisi River upstream of the Sanga dam in the lower Congo River basin, in the Democratic Republic of the Congo. This species reaches a length of 12.0 cm (4.7 in).
Alestopetersius brichardi is a species of African tetras found in the Malebo Pool, the middle Congo River, the Ruki River drainage and the Lomami River in the Democratic Republic of the Congo. This species reaches a length of 7.9 cm (3.1 in).
Alestopetersius hilgendorfi is a species of African tetras found in the middle Congo River basin in the Democratic Republic of the Congo. This species reaches a length of 10.0 cm (3.9 in).
Phenacogrammus deheyni is a species of fish in the African tetra family. It is found in the middle Congo River, the Ruki drainage, of the Mongala and Aruwimi rivers in the Democratic Republic of the Congo, Africa. This species reaches a length of 10.0 cm (3.9 in).
Phenacogrammus polli is a species of fish in the African tetra family. It is found in middle Congo River basin in the Ruki River drainage, the Lomami river and the Lindi-Tshopo river in the Democratic Republic of the Congo Africa. This species reaches a length of 3.2 cm (1.3 in).
