An XROMM Study of Food Transport and Swallowing in Channel Catfish
We don't know how fish swallow food, but we do know they regularly swallow things half their own size (or more). We used biplanar X-ray video to track swallowing in 3D in catfishes.
Winnowing in the geophagine cichlid Satanoperca daemon
Eartheaters (geophagines) are Neotropical fishes that can sift edible particles out of sand, without swallowing too much sand. How?