| Chasmocranus | |
|---|---|
 | |
| Chasmocranus longior top | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Siluriformes |
| Family: | Heptapteridae |
| Genus: | Chasmocranus C. H. Eigenmann, 1912 |
| Type species | |
| Chasmocranus longior Eigenmann, 1912 | |
| Species | |
See text | |
Chasmocranus is a genus of three-barbeled catfishes native to South America.
There are currently 10 recognized species in this genus: [1]
Ancistrus is a genus of nocturnal freshwater fish in the family Loricariidae of order Siluriformes, native to freshwater habitats in South America and Panama. Fish of this genus are common in the aquarium trade where they are known as bushynose or bristlenose catfish. In the aquarium hobby they are often referred to as bushynose or bristlenose plecos instead, but this may lead to confusion as "pleco" usually is used for Hypostomus plecostomus and its allies and is often used as a catchall term for any loricariids remotely resembling that species.
Charax is a genus containing several species of South American tetras, including the glass headstander, C. gibbosus. These fish, among other characteristics, are small and have a rhomboid shape. Some species are semi-translucent.
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.
Astroblepus is a genus of fish in the family Astroblepidae found in South America and Panama. This genus is the only member of its family. These catfishes are primarily found in torrential streams in the Andean area. Astroblepus pholeter and A. riberae are troglobites adapted to living in subterranean water systems. These species are typically small, less than 10 cm (4 in). The largest species reaches 30 cm (1 ft). These fish have suckermouths like those of loricariids. They have two pairs of barbels, maxillary and nasal. The dorsal fin spine lacks a locking mechanism. These fish also have odontodes, tiny teeth on their skin. All species exhibit a conical, pointy type on their fin rays like that found in other loricarioids; other species also exhibit a blunt type that is only found on their skin.
Trachydoras is a genus of fish in the family Doradidae native to South America.
Spatuloricaria is a genus of armored catfishes native to South America and Panama.
Pimelodella is a genus of three-barbeled catfishes.
Brachyglanis is a genus of Three-barbeled catfishes native to South America.
Chaetostoma also known as the Bristlemouths is a genus of suckermouth armored catfishes native to South America with one species C. fischeri extending into Panama. Most species inhabit flowing rivers in the lower Andes and its foothills. Some species are kept in unheated aquaria.
Moenkhausia is a genus of freshwater fish in the family Characidae native to tropical and subtropical South America. These are medium-sized tetras where the largest species only reach around 12 cm (4.7 in).
Aphyocharax is a genus of characins from South America, specifically the Amazon, Orinoco, Essequibo, Paraguay and Paraná basins. The 11 currently described species in this genus are:
Gephyrocharax is a genus of characins found in South America and Panama.
Hemibrycon is a genus of characins. They are mainly found in South America, with the single exception being H. dariensis of east Panama.
Microschemobrycon is a genus of characins, in the family Characidae, from South America, with seven currently described species.
Characidium is a genus of fish in the family Crenuchidae. They are mainly found in South America, but C. marshi is from Panama. They are small, slender fish that live on the bottom in flowing fresh waters and feed on small animals such as insects.
Steindachnerina is a genus of toothless characins from South America, with 24 currently described species:
Pyrrhulina is a genus of freshwater fishes found in tropical South America. Several of these species are popular aquarium fish.
Imparfinis is a genus of three-barbeled catfishes native to South America, with a single species in Central America.
Rhamdella is a genus of three-barbeled catfishes native to South America.
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