Loricariidae is the largest family of catfish, with 92 genera and just over 680 species. Loricariids originate from freshwater habitats of Costa Rica, Panama, and tropical and subtropical South America. These fish are noted for the bony plates covering their bodies and their suckermouths. Several genera are sold as "plecos", notably the suckermouth catfish, Hypostomus plecostomus, and are popular as aquarium fish.
The loach catfishes are a family, Amphiliidae, of catfishes. They are widespread in tropical Africa, but are most common in streams at high elevations; most species are able to cling to rocks in fast-flowing streams. The 13 genera contain 68 species.
Rineloricaria is a genus of freshwater tropical catfish belonging to the family Loricariidae. They are commonly called whiptail catfish because of the long filament that grows out of the tip of the caudal fin that is characteristic of the genus. With the exception of R. altipinnis from Panama, they are native to the rivers of northern and central South America. Some species are regularly seen in the aquarium trade.
Loricariinae is a subfamily of the family Loricariidae of catfish. This subfamily is divided into two tribes and about 30 genera. They are mainly native to freshwater habitats in South America, but there are also several species in Panama and a single (Fonchiiichthys) in Costa Rica.
Pterosturisoma microps is the only species of the monotypic genus Pterosturisoma, a genus of the family Loricariidae of catfish.
Dentectus barbarmatus is the only species of the monotypic genus Dentectus, a genus of armored catfish.
Furcodontichthys novaesi is the only species of the monotypic genus Furcodontichthys, a genus of armored catfish.
Planiloricaria cryptodon is the only species of the monotypic genus Planiloricaria, a genus of the family Loricariidae of catfish.
Pseudoloricaria laeviuscula is the only species of the monotypic genus Pseudoloricaria, a genus of the family Loricariidae of catfish. The phylogenetic position of Pseudoloricaria is uncertain.
Rhadinoloricaria is a genus of catfish endemic to South America. It was considered to be monotypic until the 2020 discovery of a second species.
Ricola macrops is the only species of the monotypic genus Ricola, a genus of the family Loricariidae of catfish.
Crossoloricaria is a genus of armored catfish native to South America with one species ranging into Central America.
Loricariichthys is a genus of catfishes of the family Loricariidae.
Loricaria is a genus of armored catfish native to South America.
Metaloricaria is a genus of armored catfishes native to South America.
Paraloricaria is a genus of armored catfishes native to South America.
Dasyloricaria is a genus of armored catfishes native to Central and South America. The distribution of these species includes the northwestern South America on the Pacific slope of Colombia and Panama. Its distribution is restricted to the Pacific slope of the Andes, which is a unique pattern of distribution within the subfamily.
Pseudohemiodon is a genus of armored catfishes native to South America.
Hemiodontichthys is a monotypic genus in the family Loricariidae, under the order Siluriformes, containing a single species, Hemiodontichthys acipenserinus, also known as the Pinocchio whiptail catfish, Pinocchio catfish, Pinocchio cat or the knob-nosed whiptail. This shy, bottom-dwelling catfish is native to the Guianas, Brazil, Bolivia and Perú in South America.
Auchenipterus is a genus of driftwood catfishes.
