Pictures of Fishes
. Ratfish The ratfish is a member of a species of deep-water fish related to sharks. The ratfish is characterized by a long tail and a poisonous spine in front of the dorsal fin. Rosy Barbel This fish of the genus Barbus, known as the rosy barbel, swims in a clear freshwater stream amidst the aquatic plants and roots on which it feeds. Part of the carp family, barbels live at the bottom of rivers or streams during the day and use their whiskerlike feelers, called barbels, to find food at dusk. Several species of barbels exist in western Asia and central and southern Europe, where the fish is prized in sports fishing. Sawfish Although sharklike in appearance, sawfish are actually a type of ray and are distinguished by the presence of gill openings on the lower surface of the head rather than on the sides of the head as in sharks. The sawfish snout is elongated into a broad, flat sword with opposing rows of large teeth. When feeding, the sawfish thrashes the saw from side to side, woundi...