The difference between black-winged fish and crested fish

Black-winged fish (Sparus macrocephalus) is commonly known as: black-winged, black turtle, sea crucian carp, copper basin fish, snapper, etc. In Dongshan Island, the common names of Sparus macrocephalus are Uge and Black-winged Fish.

The side of the body is flat and the scales are large. The fish body is silvery gray, the back is dark and the abdomen is silvery white. The spines of dorsal fin and gluteal fin are firm and sharp, and are characterized by gray-white fin membrane except pectoral fin. Concave caudal fin.

It lives in the waters of 10 ~ 50m, and often moves near mussel sheds, mangroves or wave-breaking blocks in the estuary area, belonging to euryhaline fish. Omnivorous, mainly algae and small benthos. In winter, they breed and gather in the estuary to lay eggs. In spring, young fish begin to appear in the estuary and can swim back to the fresh water area.

Sparus macrocephalus is distributed in the western North Pacific Ocean. China is rich in coastal areas, especially in the Yellow Sea and Bohai Sea. The main fishing ground is along the coast of Shandong, and it is often caught with other fish. Fishing season is in spring and autumn. Sciaenops rubripes (Sciaenops rubripes, scientific name: Chanodichthys erythropterus) is a fish belonging to CYPRINIDAE and Sciaenops rubripes. Body length, flat side Abdominal ribs are intact. In the mouth position, the cleft is almost perpendicular to the body, and the jaw is upturned. With the same eye size, the distance from the back edge of the eye to the snout is smaller than the back length of the eye. The lateral line is complete, with 59 ~ 62 scales. The unbranched fin at the end of dorsal fin is a hard thorn; The tip of pectoral fin extends to the starting point of abdominal fin; The caudal fin is deeply forked. The side and abdomen are silvery white, and the dorsal fin and caudal fin are light gray.

Red-finned squid likes to live in lakes with lush aquatic plants, usually in the slow flow of rivers. Red-finned catfish is a fierce carnivorous fish. Young fish feed on cladocera, copepods and aquatic insects, while adult fish feed on fish, shrimp, snails, insects, larvae and cladocera. China, South Korea, North Korea, Mongolia, Russia and Vietnam.