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Catfish / Loricariidae / Bristlenose Plecostomus

Bristlenose Plecostomus; Big-fin Bristlenose
Ancistrus dolichopterus


Synonyms: Chaetostomus dolichopterus, Xenocara dolichopterus
Physical description: This species is covered everywhere but the belly with large bony plates. The head is large, broad, and flat and has many tentacles coming out of it, near the snout. The mouth is on the underside of the head and is shaped like a suction cup. The color ranges greatly depending on the individual, age, and area that the individual is found.
Size/Length: 6" (15 cm)
Similar species: Snowflake Bristlenose ( Ancistrus hoplogenys), Polka Dot Bristlenose ( Ancistrus lineolataus ), Temminck's Bristlenose ( Ancistrus termmincki), Three-ray Bristlenose ( Ancistrus triradiatus ); and other Ancistrus species.
Habitat: South America; fast flowing, clear tributaries of the Amazon River in areas with submerged wood. Also found in shallow pools.
S: bottom
Aquarium: 32" (80 cm) or 30 gallons (114 L). This catfish likes roomy tanks with plenty of hiding places and a strong current. This species will nibble on plants if there is a lack of algae. Provide good aeration.
Water chemistry: pH 5.5-8 (7.0), dH 2-30 (10), 73-84°F (23-29°C)
Social behavior: A peaceful fish ideal for a community tank. Will not bother other catfish such as Corydoras. Older individuals are sometimes aggressive and territorial towards other similar Loricarids.


By Rhett Butler   Mongabay.com