WThe American eel is a facultative catadromous fish found on the eastern coast of North America. Freshwater eels are fish belonging to the elopomorph superorder, a group of phylogenetically ancient teleosts. The American eel has a slender, snake-like body that is covered with a mucus layer, which makes the eel appear to be naked and slimy despite the presence of minute scales. A long dorsal fin runs from the middle of the back and is continuous with a similar ventral fin. Pelvic fins are absent, and relatively small pectoral fins can be found near the midline, followed by the head and gill covers. Variations exist in coloration, from olive green, brown shading to greenish-yellow and light gray or white on the belly. Eels from clear water are often lighter than those from dark, tannic acid streams.
WThe Balao halfbeak, occasionally called the Balao for short, is an ocean-going species of fish in the family Hemiramphidae. It was first described by the French naturalist Charles Alexandre Lesueur in 1821. They are used as cut bait and for trolling purposes by saltwater sportsmen.
WCichla orinocensis, sometimes known as the Orinoco peacock bass, is a very large species of cichlid. This peacock bass is native to the Rio Negro and Orinoco River basins in northern South America. It mainly occurs in blackwater rivers. Despite the name, it is not the only peacock bass in the Orinoco, as the river also is home to C. intermedia, C. nigromaculata, and C. temensis. Where it overlaps with the last species, C. orinocensis prefers more slow-moving and shallow waters. They are able to tolerate more turbid waters than other species of peacock bass.
WCichla temensis, the speckled pavon, speckled peacock bass, painted pavon, or three-barred peacock bass, is a very large South American cichlid, and a prized food and game fish. Reaching up to 1 m (3.3 ft) in length and 13 kg (29 lb) in weight, it is the largest cichlid of the Americas, and perhaps the largest extant cichlid in the world, with only Tanganyika's giant cichlid, Boulengerochromis microlepis, reaching similar proportions.
WThe gilded catfish or jau is a South American catfish of the family Pimelodidae. Also known as manguruyu or black manguruyu.
WThe houndfish is a game fish of the family Belonidae. It is the largest member of its family, growing up to 5 feet (1.5 m) in length and 10 pounds (4.5 kg) in weight. It is also often called the crocodile needlefish.
WThe Mediterranean killifish, Mediterranean banded killifish or South European toothcarp is a species of fish in the family Cyprinodontidae. It is found in Albania, Algeria, Bosnia and Herzegovina, Croatia, Cyprus, Egypt, France, Greece, Israel, Italy, Lebanon, Libya, Malta, Morocco, Montenegro, Slovenia, Syria, Tunisia, and Turkey. Its natural habitats are saline lakes, saline marshes, and coastal saline lagoons.
WThe ripsaw catfish or cuiu cuiu is a species of thorny catfish native to the Amazon, Essequibo and São Francisco basins in Bolivia, Brazil, Colombia, Ecuador, Guyana, Peru and Venezuela. This species grows to a length of 100 centimetres (39 in) SL and weights up to 13 kilograms (29 lb). This species is a minor component of local commercial fisheries. Has lateral thorns that can damage a potential predator or handler. It feeds by shifting through sand and detecting eatable parts with the taste receptors in the roof and floor of its mouth.
WThe granulated catfish is a species of thorny catfish found in the Paraná and Amazon basin as well as the coastal drainages of Suriname and Guyana. This species is commercially caught for human consumption as well as being displayed in public aquaria.
WPygocentrus cariba or black spot piranha is a species of piranha native to the Orinoco River basin lowlands and the Llanos region in Venezuela and Colombia. This species can reach a total length of 27.9 centimetres (11.0 in). It is popular as a game fish.
WThe sailfin molly is a species of fish of the genus Poecilia. They inhabit fresh, brackish, salt, and coastal waters from North Carolina to Texas and the Yucatán Peninsula of Mexico.
WThe starry smooth-hound is a houndshark of the family Triakidae. It is found on the continental shelves of the northeast Atlantic, between latitudes 61° N and 16° N, from the surface to a depth of 200 m (660 ft). It can grow up to a length of 1.4 m.