What body shape characteristic is often described for catfish, adapted for their role as bottom-dwellers?

Answer

Cylindrical, often with a flattened underside

This body form is an adaptation suited for their lifestyle sweeping along the substrate of rivers and lakes, allowing them to rest and feed close to the bottom.

What body shape characteristic is often described for catfish, adapted for their role as bottom-dwellers?
appearancefishbodyCatfish