Pseudecheneis gracilis

Family: Sisoridae

Pseudecheneis gracilis — a Sisoridae freshwater fish. Reaches 14.1–20.7 cm; keep at 18–26 °C.

Care parameters

Water temperature
18–26 °C
pH
6.5–7.8
GH hardness
12–26.4 dGH
Adult length
14.1–20.7 cm
Minimum tank
500 L
Water layer
Bottom-dwelling
Difficulty
Moderate
Temperament
Peaceful; territorial over perches

Species overview

A Sisoridae species: Pseudecheneis gracilis lives bottom-dwelling over mountain torrents clinging to boulders. Peaceful; territorial over perches. Adults reach 14.1–20.7 cm. It is one of the aquarium-kept Pseudecheneis species we profile, alongside Pseudecheneis sulcata.

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
Small groups with enough perches
Diet
Herbivorous-leaning omnivore
Recommended tankmates
  • Similar-sized peaceful community fish — Similar size and water needs
Avoid keeping with
  • Much smaller fish — May outcompete or bully tiny tankmates

Breeding & notes

Sexual dimorphism
Unclear
Breeding method
Unknown in aquaria

Frequently asked questions

Is Pseudecheneis gracilis easy to keep?

A moderate-level species: peaceful; territorial over perches; stable water matters more than fancy equipment.

What temperature and water chemistry does Pseudecheneis gracilis need?

Set the heater to 18–26 °C and avoid swings. pH 6.5–7.8, GH 12–26.4 dGH suit it.

How big does Pseudecheneis gracilis get, and what tank size?

Full size is 14.1–20.7 cm. Minimum tank: 500 L, with open swimming space along its bottom-dwelling habits.

What does Pseudecheneis gracilis eat?

Herbivorous-leaning omnivore. It forages naturally over bare smooth rock, so let some food reach the bottom.

Can Pseudecheneis gracilis live with other fish?

Peaceful; territorial over perches. Recommended tankmates: Similar-sized peaceful community fish — Similar size and water needs. Avoid Much smaller fish — May outcompete or bully tiny tankmates.

Where does Pseudecheneis gracilis come from?

Found in mountain torrents clinging to boulders; expect very strong current, highly oxygenated and requires very high dissolved oxygen.

How does Pseudecheneis gracilis breed?

In the aquarium: unknown in aquaria. Unclear.