The wreckfish are a small group of ray-finned fish in the genus Polyprion, belonging to the monotypic family Polyprionidae in the order Acropomatiformes.
Lepidocephalichthys is a genus of ray-finned fish in the family Cobitidae.
The golden loaches (Sabanejewia) are a genus of ray-finned fish in the family Cobitidae.
The Chapultepec splitfin, known locally as mexcalpique, is a critically endangered species of fish in the family Goodeidae. It is endemic to Mexico and was originally restricted to lakes and wetlands in the Valley of Mexico, including Lake Texcoco. Through man-made channels it was able to spread to the upper Pánuco River basin. Most native populations disappeared as they were at or near Mexico City, with the waters either being reclaimed, drained, heavily polluted or infested with introduced species. Today the Chapultepec splitfin is only known to survive in three lakes in the Chapultepec park of Mexico City, Lake Xochimilco, Lake Zumpango, Laguna de Tecocomulco northeast of the City where perhaps introduced, and parts of the Pánuco River basin. Most of these remaining populations are small. This species was originally described as Cyprinus viviparus in 1837 by Miguel Bustamante y Septién with the type locality given as "Mexico". In 1860 Pieter Bleeker raised the genus Girardinichthys with a new species Girardinichthys viviparus as its type species, this subsequently proved to be a taxonomy of Cyprinus viviparus.
Beaufortia is a genus of gastromyzontid loaches from China and mainland Southeast Asia.
Hyphalophis is a monospecific genus of marine ray-finned fish belonging to the family Ophichthidae, the snake eels. The only member of this genus is Hyphalophis devius, a species known only from its holotype which was collected in the Lesser Antilles southwest of Grenada.
Annamia is a small genus of gastromyzontid loaches native to Southeast Asia. There are two species, though one of them is of doubtful validity and identity:
Barbucca is a genus of loaches native to Southeast Asia. It is currently the only genus in its family.
Erromyzon is a genus of fish in the family Gastromyzontidae endemic to China and Vietnam.
Formosania is a genus of gastromyzontid loaches, most of which are endemic to mainland China. Two species, F. lacustris and F. tengi, are endemic to Taiwan.
Glaniopsis is a small genus of loaches endemic to the island of Borneo.
Hypergastromyzon is a genus of ray-finned fish belonging to the family Gastromyzontidae, commonly called the hillstream loaches, although this also refers to the loaches in the family Balitoridae. The loaches in this genus are endemic to the island of Borneo in Southeast Asia.
Vaillantella, the long-fin loaches, is a small genus of loaches found in Southeast Asia. This genus is the only member of the family Vaillantellidae having been confirmed as such by M. Kottelat in his review of the loaches in 2012.
Acanthopsoides is a genus of freshwater ray-finned-fishes belonging to the family Cobitidae, the true or spined loaches. These small fishes are found in Asia.
Bangana is a genus of fish in the family Cyprinidae, the carps and minnows. It is distributed across much of southern and eastern Asia. Species live mainly in the flowing waters of tropical and subtropical rivers.
The Gastromyzontidae are a family of loaches native to China and Southeast Asia, where typically found in streams and rivers with a fast current. The family includes about 137 species in eighteen genera. This family was resurrected by M. Kottelat in his review and revision of the loaches in 2012. They are commonly called hillstream loaches.
Pseudocaranx is a genus of ray-finned fishes from the family Carangidae, the jacks, trevallies, scads, and pompanos. They occur in the western Atlantic Ocean and the Indo-Pacific.
Quintabarbates is a monospecific genus of freshwater ray-finned fish belonging to the family Cobitidae, the true or spiny loaches. The only species in the genus is Quintabarbates bicolor which was first formally described in 2022 by the American ichthyologist Tyson R. Roberts. This taxon is only known from a tributary of the Chindwin River in the Irrawaddy River in Myanmar. The genus name, Quintabarbates, means "five beards", and is a reference to the five pairs of barbels. The secific name, bicolor, means "two colours", an allusion to the thick horizontal stripes of iridescent vermillion green above and below a stripe of iridescent orange on the upper body.
Bashimyzon is a genus of freshwater ray-finned fishes belonging to the family Gastromyzontidae, a family which shares the common name hillstream loaches with the Balitoridae. These loaches are found in the Guangxi Province of China.
Labigastromyzon is a genus of ray-finned fish belonging to the family Gastromyzontidae, commonly called the hillstream loaches, although this also refers to the loaches in the family Balitoridae. The loaches in the genus are found in China.
