Family: Cyprinidae
Long-fin Rhino Gudgeon — a Cyprinidae from China, peaceful; keep with similar-sized calm tankmates. Reaches 11.2–16.5 cm; keep in a group of 4–6 for natural behaviour. 18–26 °C.
A Cyprinidae species native to China: Rhinogobio ventralis lives active throughout the water column over gravel. Peaceful; keep with similar-sized calm tankmates. Adults reach 11.2–16.5 cm. It is one of the aquarium-kept Rhinogobio species we profile, alongside Rhinogobio cylindricus, Rhinogobio typus.
A moderate-level species: peaceful; keep with similar-sized calm tankmates; stable water matters more than fancy equipment.
Hold 18–26 °C and keep it stable — 18–26 °C typical for the family. Room temperature to heated, depending on origin.
Adults reach 11.2–16.5 cm; it is active throughout the water column. Plan for at least 327 litres.
Omnivore; prepared foods with regular variety. It forages naturally over fine gravel and sand, so let some food reach the bottom.
Peaceful; keep with similar-sized calm tankmates. Recommended tankmates: Robust schooling cyprinids — Add activity without conflict. Avoid Much larger predators — Risk at night.
Comes from China: clear streams and rivers over gravel. Expect moderate, well-oxygenated current and appreciates well-oxygenated water.
Jumping is not a known issue; cover the tank anyway during water changes.
In the aquarium: breeding is straightforward scatter-spawning. Males often slimmer and more colourful.