Borneo Sucker Loach

Gastromyzon punctulatus

Also known as: Spotted Hillstream Loach, Gastromyzon Loach, Borneo Hillstream Loach

A flat, spotted sucker loach that grazes algae from rocks in fast, cool, oxygen-rich water.

Water

Freshwater

Temperature

68–77°F

pH

6–7.5

Hardness

2–12 dGH

Max size

2.4 in

Min tank

20 gal

Temperament

Peaceful

Social

Groups (3+)

Swim level

Bottom

Diet

Herbivore

Care level

Intermediate

Lifespan

8-10 years

Breeding

Egg-scatterer

Suitability

Intermediate

Origin

Sarawak, northern Borneo

Needs strong flow, high oxygen, and smooth stones coated in biofilm to graze. Keep it in a mature tank with stable, clean water and add algae wafers. Avoid warm, sluggish setups and boisterous bottom dwellers.