1. Aquaryus > Aquarium fish families > Gymnarchidae

Photo gallery of Gymnarchidae

Gymnachus niloticus

(ABA)

Gymnachus niloticus ABA


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Aquarium fish

Panaque nigrolineatus

Panaque nigrolineatus

Fully yellow fish, with a black point on the backbone for males (!) These fish are hermaphrodites and all the little ones are first females; Then the most dominant become males. In the evening, he ent...