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According to Muller (1999), L183 is the "true" Ancistrus dolichopterus. In the original description it states that the species has 8-9 soft rays in the dorsal fin, as is the case in L183. In the aquarium trade and literature, L183 is mistakenly referred  to as Ancistrus hoplogenys. Aquarium Care: The Ancistrus genera make good community fish where they do not grow too big for the aquarium. Some species have different requirements in the aquarium so best to read up on the species you have whereas if they need higher oxygen requirements or not, or if they prefer cooler waters if they originate from the southern parts of South America against the species from further up north. Diet: Vegetable foods such as cucumber and courgette and also tablet and meaty foods. Reproduction: The female lays her eggs in caves or crevices... that the male has chosen and cleaned.... as a cluster. The male usually then guards the eggs after ejecting the female. The fry then cling to the sides of the cave and when they use up their yolk sac, which is around the four to seven day period, they will be ready to feed on infusuria, vegetable matter, brine shrimp naupli or micro worms. In a community tank a few will survive if enough hiding places are afforded to them. Etymology: The specific name dolichopterus: meaning long, or lengthy fins.

L183, Starlight Bristlenose Catfish

Hypostoma punctatum, Xenocara dolichoptera.

Loricariidae

Brazil: Amazonas, Rio Negro (lower and middle course)

14.0cm. (5½ins)

23-27°c (73-81°f.)

6.0-7.5.

All L-Numbers Datz Special. www.datze.de 
ScotCat Factsheet no. 134. August 2007.