Glass schilbid

Parailia pellucida, the African glass catfish, is a small, transparent species of catfish that is generally found in the lakes and rivers of West Africa. Though it closely resembles the Asian glass catfish (Kryptopterus vitreolus), with the difference of a dark line running along its length and a typically cloudier body, they are not related and belong to different families. The glass-like body in both species just shows an example of convergent evolution. The African glass...