Cyprinidae? Cyprinidae? A fish of the genus Trionyx.
(About 22 species under its jurisdiction, domestic 15 species)
Tall body, short and wide head, round and blunt kiss. The mouth is quite wide, lower and horizontal, and the mandible has a horny edge. There is no need to be negative. Sideline scale 46 ~ 49. The dorsal fin spine is serrated. Living in the river with fast-flowing water and gravel bottom, wintering in the depths of caves or deep pits in winter. Often eat seaweed scraped from the mandible. The female fish weighs about 1 kg and begins to mature sexually. From March to May, they lay eggs on sandy rapids. The meat is tender and rich in fat. It grows very fast, and the fish weighs more than 2 Jin in 3 years. The individual is larger and can grow to 7 kg at most. It is a regional economic fish.
Cyprinidae? Cyprinidae? What is the genus Cervus? Opsariichthysa fish
The picture below shows the horse mouth fish (big mouth fish)? Opsariichthys bidens？ ,
The side is long and flat, and the abdomen is round. A long kiss and a big mouth; The oral fissure inclines upward, the posterior end of the mandible extends to the anterior margin of the eye, the anterior end of the mandible is convex, and there are depressions on both sides, which are just embedded in the concave and convex parts of the anterior end and both sides of the maxilla. Eyes the same size. The lateral line is complete, the front section bends to the ventral side of the body, and the rear section extends upward to the center of the tailstock. The back of the body is gray-black, the abdomen is silvery white, and there are light blue vertical stripes on the side. The pectoral fin, ventral fin and anal fin are orange. During the breeding period, the male fish appears "married", and there are conspicuous pearl stars on the head, kiss and anal fin. The 1-4 fin of the gluteal fin is particularly extended, and the whole body has a bright wedding color.
True bass? Is the family Percidae a genus? Coreoperca fish (I don't know what kind)
Often live in gravel-based mountain streams and clean water environment.
Figure 1 smooth-lipped fish, Figure 2 is not suitable? differentiate