The spandrels of Satan's perches: evidence for the co-optation of feeding traits in the convergent evolution of mouthbrooding in Neotropical cichlids
Does the way fish feed influence the likelihood that they will evolve to use their mouths for parental care?
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?