The prettiest cold water fish are the Horse Mouth Fish, Army Fish, Freshwater Grouper, Guizhou Climbing Rock Loach, and Rhodeodeus.
1, horse mouthed fish
The horse mouthed fish is a fish of the carp family, genus Mouton. The body of the horse mouth fish is long and laterally compressed, with a rounded abdomen and a long snout. The posterior end of the lower collar extends up to the anterior margin of the eye, which is convex at the anterior end and has a depression on each side. The eyes are equal in size. Lateral line complete. The body is grayish-black dorsally, silvery-white ventrally, with light blue vertical stripes on the sides of the body, and the pectoral, ventral, and anal fins are orange-yellow.
2, the army fish
that is, the light barb, local common name green stick, yellow juan fish, army fish, brick fish, pit Jian, light eye fish, coarse scale fish and so on. The body is slightly cylindrical. The snout is rounded and blunt, with 2 pairs of whiskers. Scales are large, lateral line scales 20 to 26.
3, freshwater grouper
Relatively small, adult body length of 18 to 25CM or so, weighing between 100 to 250g, due to its year-round life in freshwater to nibble at the plankton attached to the stone wall and insects aquatic larvae to feed on and so named.
4, Guizhou rock crawling loach
Guizhou rock crawling loach, for the flat-finned loach family rock crawling loach genus of a Chinese native fish, the body is slightly extended. The anterior segment is flat, the posterior segment is gradually flattened laterally, and the caudal peduncle is slightly higher than the peduncle length. The dorsal margin is slightly elevated, and the ventral surface is flat. The head is broad and flat. Antennal end rounded, margin thin. The muzzle is longer than the head behind the eyes.
5, Rhodeus
Rhodeus sinensis is the common name for fish belonging to the carp family Carpidae (Rhodeus subfamily), also known as four-square skin, mirror fish, color round children, a group of small freshwater fish, divided into Rhodeus, Rhodeus, Rhodeus, Rhodeus, Rhodeus, and Rhodeus in the field genus.