Longfin bristlenose

Ancistrus dolichopterus

FishFreshwater

Ancistrus dolichopterus, also known as the longfin bristlenose, is a catfish from the Loricariidae family native to the Amazon basin. It is distinguished by its particularly developed dorsal and caudal fins forming long filaments. Its body is covered with bony plates and its sucker mouth allows it to graze on algae. It is a nocturnal and peaceful fish that cohabits well with other non-aggressive species.

Recommended parameters

ParameterRecommended range
Temperature22–28
pH6–7.5
GH5–15
KH2–10
NO₃≤ 20
PO₄≤ 2

Care

Difficulty2/5
Dietherbivore
Min. tank80 L
Min. group1
Adult size12 cm
Lifespan6 ans
TemperamentPeaceful

Care notes

Maintain well-oxygenated water with moderate flow. Provide hiding places (driftwood, rocks) and a fine sand substrate. Diet should include algae, blanched vegetables, and bottom-feeder tablets. Avoid overly active or aggressive tankmates.