Physopyxis cristata is a species of thorny catfish endemic to Brazil where it is found in the Rio Negro basin. This species grows to a length of 2.27 centimetres (0.89 in) SL. This species prefers to live amongst submerged leaf litter.
Physopyxis cristata is a species of thorny catfish endemic to Brazil where it is found in the Rio Negro basin. This species grows to a length of 2.27 centimetres (0.89 in) SL. This species prefers to live amongst submerged leaf litter.