Pseudexostoma yunnanense

Family: Sisoridae

Pseudexostoma yunnanense — a Sisoridae from 中国, peaceful giant of the bottom, indifferent to mid-water life. Reaches 8.3–12.2 cm; singly or in small groups depending on species size. 18–26 °C.

Care parameters

Water temperature
18–26 °C
pH
6.5–7.8
GH hardness
12–30 dGH
Adult length
8.3–12.2 cm
Minimum tank
179 L
Water layer
Bottom-dwelling
Difficulty
Moderate
Temperament
Peaceful giant of the bottom, indifferent to mid-water life
Origin
中国

Species overview

Sisoridae species Pseudexostoma yunnanense comes from 中国. A whiskered bottom resident whose day begins when the lights go off. It lives on the bottom. Adults reach 8.3–12.2 cm. Singly or in small groups depending on species size. 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. Undemanding once its core needs are met.

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
Singly or in small groups depending on species size
Diet
Opportunistic bottom-feeder with a broad palate
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
Egg-depositing in hollows; some guard, some abandon