Family: Cyprinidae
Suigen Bitterling — a Cyprinidae from Suwon, Korea, gentle community fish that dislikes fin-nippers. Reaches 4.9–7.2 cm; shoaling; keep at least 8 together. 18–25 °C.
A Cyprinidae species native to Suwon, Korea: Rhodeus suigensis lives bottom-dwelling over gravel. Gentle community fish that dislikes fin-nippers. Adults reach 4.9–7.2 cm. It is one of the aquarium-kept Rhodeus species we profile, alongside Rhodeus fangi, Rhodeus lighti, Rhodeus ocellatus.
Difficulty: moderate. Gentle community fish that dislikes fin-nippers. Shoaling; keep at least 8 together.
Hold 18–25 °C and keep it stable — 18–25.0 °C typical for the genus. Room temperature to heated, depending on origin.
Full size is 4.9–7.2 cm. Minimum tank: 62 L, with open swimming space along its bottom-dwelling habits.
Unfussy omnivore; quality flakes plus blanched greens. It forages naturally over fine gravel and sand, so let some food reach the bottom.
Gentle community fish that dislikes fin-nippers; shoaling; keep at least 8 together. Good company: Other small peaceful cyprinids — Similar size, similar water. Keep away from Fin-nippers — Their flowing fins invite damage.
Native to Suwon, Korea, where it lives in clear streams and rivers over gravel. Moderate, well-oxygenated current; Appreciates well-oxygenated water.
Jumping is not a known issue; cover the tank anyway during water changes.
Mussel-brooding egg-scatterer; the male guards the mussel territory. Males often slimmer and more colourful.