Body quite deep, mouth inferior, nostrils very close together, dorsal and anal fin nearly equal in length, their anterior fin-rays longer than following rays.
Monogeneric: Genus Petrocephalus .
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Body quite deep, mouth inferior, nostrils very close together, dorsal and anal fin nearly equal in length, their anterior fin-rays longer than following rays.
Monogeneric: Genus Petrocephalus .
%LABEL% (%SOURCE%)