This study investigated the morphology, morphometric and meristic characters of 117 larval Pimelodus britskii showing early development of head, eye, barbel and snout. Body and mouth pigmentation increased throughout development; the mouth was ventrally situated in the yolk‐sac stage, becoming subterminal afterwards, and an embryonic fin was visible in all four stages observed. Post‐flexion larval P. bristskii are distinguishe...