Synagrops bellusSynagrops bellus, the blackmouth bass, is a species of ray-finned fish in the family Synagropidae.DistributionThey can be found all around the coastal waters of the western Atlantic Ocean from Newfoundland to Argentina.DescriptionThey have 10 dorsal spines, 9 dorsal soft rays, 2 anal spines, and 7 anal soft rays.