Description
Borneo suckers are small, herbivorous freshwater fish from Borneo known for their distinctive sucker mouth, which they use to cling to rocks and scrape algae. They reach about 3-7 cm (1-3 inches) in length and require clean, oxygen-rich water with cool temperatures (20-25°C) and a pH of 6.0-7.5. Tank setups should include smooth rocks, driftwood, and hiding spots, and they thrive in groups of three or more in a well-oxygenated, powerful current environment similar to their native streams.
Typically 3-7 cm (1-3 inches) in length, though some can grow up to 7 cm (2.8 inches).
They have a unique sucker mouth, a depressed head and body, and horizontal paired fins adapted for clinging to rocks in fast-flowing water.
Primarily herbivorous, feeding on algae, biofilm, and plant matter, but will also eat sinking pellets, blanched vegetables, and some frozen/live foods.
Lifespan: 3-6 years under optimal conditions.
Habitat & Water Requirements
Native Habitat: Fast-flowing, highly oxygenated rivers with rocky bottoms and a rich biofilm of algae and microorganisms.
Temperature: 20-25°C (68-77°F), requiring a heater and thermometer.
pH: 6.0-7.5.
Water Hardness: 4-12 dGH or 50-150 ppm.
Tank Environment: A powerful water current is essential for their health and natural behavior.
Behavior & Care
Social Behavior:
Peaceful bottom-dwellers that should be kept in groups of three or more to encourage natural activity and social interaction.
Tank Setup:
Replicate their natural habitat with smooth rocks, driftwood, and hiding spaces, ensuring decorations don’t restrict water flow.
Tank Mates:
Peaceful community fish can coexist with other small, non-aggressive species like tetras and rasboras.
Maintenance:
Requires clean, well-oxygenated water and regular tank maintenance to keep water quality high.
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