Glyptothorax pallozonus

Family: Sisoridae

Glyptothorax pallozonus — a Sisoridae from SE Asian mountain streams, peaceful; most activity happens after dark. Reaches 4.5–6.6 cm; keep bottom stock light — they share one floor. 18–26 °C.

Care parameters

Water temperature
18–26 °C
pH
6.5–7.5
GH hardness
5–15 dGH
Adult length
4.5–6.6 cm
Minimum tank
52 L
Water layer
Bottom of fast water
Difficulty
Moderate
Temperament
Peaceful; most activity happens after dark
Origin
SE Asian mountain streams

Species overview

Glyptothorax pallozonus is a Sisoridae from SE Asian mountain streams. In the wild it prefers mountain torrents clinging to boulders; in the aquarium it stays peaceful. Plan on 4.5–6.6 cm of adult fish at 18–26 °C. Related profiles: Glyptothorax sinensis, Glyptothorax fokiensis, Glyptothorax hainanensis.

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
  • Other similar-sized bottom fish — Share the floor peaceably
Avoid keeping with
  • Tiny fish that fit in its mouth — Vanish at night

Breeding & notes

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

Frequently asked questions

Is Glyptothorax pallozonus easy to keep?

A moderate-level species: peaceful; most activity happens after dark; stable water matters more than fancy equipment.

What temperature and water chemistry does Glyptothorax pallozonus need?

Aim for 18–26 °C. Cool and stable; 18–26 °C typical for the genus.

How big does Glyptothorax pallozonus get, and what tank size?

Full size is 4.5–6.6 cm. Minimum tank: 52 L, with open swimming space along its bottom of fast water habits.

What does Glyptothorax pallozonus eat?

Omnivorous scavenger — sinking pellets, frozen and vegetable foods. Feed two small meals a day rather than one large one.

Can Glyptothorax pallozonus live with other fish?

Peaceful; most activity happens after dark; keep bottom stock light — they share one floor. Good company: Other similar-sized bottom fish — Share the floor peaceably. Keep away from Tiny fish that fit in its mouth — Vanish at night.

Where does Glyptothorax pallozonus come from?

Comes from SE Asian mountain streams: mountain torrents clinging to boulders. Expect very strong current, highly oxygenated and requires very high dissolved oxygen.

How does Glyptothorax pallozonus breed?

In the aquarium: spawning rarely seen; presumed crevice egg-layer. Unclear.