Horiomyzon retropinnatus

Horiomyzon retropinnatus is a species of catfish of the family Heptapteridae.

The Horiomyzon retropinnatus lives in the demersal, freshwater environment.

Horiomyzon retropinnatus is a species of catfish (order Siluriformes) of the family Heptapteridae. It is the only species of the genus Horiomyzon. This species occurs in the Amazon and Napo Rivers. More

Well, you have Horiomyzon retropinnatus which according to the paper I have is known up to 23mm in length (didn't think it even reached that big to be honest). Barthem and Goulding mention B. filamentosum at 2. More

Common names

Barbudo in Spanish (español)

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