What kind of fish is grey fish?

The gray fish in the silver carp river is called silver carp, which belongs to CYPRINIDAE. Its side is flat, slightly higher and its abdomen is thinner. There are developed abdominal ribs from the lower front of the pectoral fin base to the anus, with a small head and a short and blunt kiss. Fish is the oldest vertebrate, inhabiting all aquatic environments on earth, from freshwater lakes and rivers to saltwater seas and oceans. Fish breathe through gills and use fins to help balance and exercise.