Creteuchiloglanis macropterus

Family: Sisoridae

Creteuchiloglanis macropterus — a Sisoridae from Nujiang, Yunnan, China, peaceful; most activity happens after dark. Reaches 25.5–37.4 cm; keep bottom stock light — they share one floor. 18–26 °C.

Care parameters

Water temperature
18–26 °C
pH
6.5–7.8
GH hardness
12–30 dGH
Adult length
25.5–37.4 cm
Minimum tank
500 L
Water layer
Bottom of fast water
Difficulty
Moderate
Temperament
Peaceful; most activity happens after dark
Origin
Nujiang, Yunnan, China

Species overview

From the waters of Nujiang, Yunnan, China comes Creteuchiloglanis macropterus, a member of the family Sisoridae. A whiskered bottom resident whose day begins when the lights go off. It lives on the bottom. Adults reach 25.5–37.4 cm. Keep bottom stock light — they share one floor. Feed sinking foods after lights-out, keep the sand soft, and never let nitrate climb unnoticed. Maintain 18–26 °C at pH 6.5–7.8. Water quality and diet matter more than décor.

Native biotope

Habitat
Mountain torrents clinging to boulders
Flow
Very strong current, highly oxygenated
Dissolved O₂
Requires very high dissolved oxygen

Aquascape & hardware

Substrate
Bare smooth rock
Hardscape
Large boulders forming crevices
Plants
Minimal

Temperament, diet & tankmates

Schooling
Keep bottom stock light — they share one floor
Diet
Omnivorous scavenger — sinking pellets, frozen and vegetable foods
Recommended tankmates
  • Mid-water schooling fish — Use the space catfish ignore
Avoid keeping with
  • Fast surface feeders — Leave nothing for the bottom

Breeding & notes

Sexual dimorphism
Unclear
Breeding method
Spawning rarely seen; presumed crevice egg-layer