1, different properties:

(1) Manta rays (Mobula), also known as devil rays and blanket rays. It belongs to the order of cartilaginous fishes and the family of manta rays.

(2) Rays belong to the suborder Rajoidei, with broad pectoral fins that extend to the muzzle and extend backward before abruptly terminating at the base of the thin tail. Unlike other rays, skates are oviparous.

(3) Stingrays (赤魟) belong to the order Chondrichthyes, order Hypoconuliformes, order Stingrays, family Stingrays, genus Stingray. It is a common fish along the coast, some places called yellow rays, yellow pomfrets, Zhoushan coastal fishermen called yellow flowers.

2, different morphology:

(1) manta rays body is diamond-shaped, wide more than 6m. Body greenish brown. The buckling section is large. The eyes are lateral and can look sideways and down. There is 1 pair of cephalic fins with pectoral fin differentiation on the side of the head, protruding forward. Dorsal fins small, pectoral fins wing-like. Tail slender and whip-like, with caudal spines.

(2) The body of the ray is flat, rounded or diamond-shaped. Mouth and nostrils are ventral. Gill pores 5. Spray pores dorsal. Dorsal fins 1 or 2 or absent, mostly located on the tail; anal fin disappeared; pectoral fins well developed, connected with the cephalic side to form a body disk, sometimes with hair appliances between the cephalic side and the pectoral fins; ventral fins sometimes differentiated into a pedunculated structure.

(3) Stingray (red ray) individual large, the largest weight in the ocean up to 65-70 kilograms, generally more 5-8 kilograms or so, the largest individual up to 15 kilograms. The largest individual can reach 15 kilograms. There is a poisonous gland at the base of the caudal spine. The body is flat, subdiscoid, tail is very slender, whip-like, and its anterior part has flat tail spines. Water-spraying pores. Pectoral fins very broad. Gill pores 5 pairs, located on ventral surface together with mouth and snout. Adults with 1 longitudinal row of spines from mid-dorsal to caudal spine. Body russet.

3. Different distribution ranges:

(1) Manta rays are distributed in tropical and temperate zones, and are found in the East China Sea, the South China Sea, and off the coast of Taiwan.

(2) rays are distributed in the western North Pacific, the East China Sea, the South China Sea and the Yellow Sea, the Bohai Sea are produced, but the production is not centralized, the fishing season is not obvious.

(3) Stingray (red ray) is distributed in China, Taiwan, southern Japan and the southwest of the Korean Peninsula, as well as the South China Sea and the East China Sea, Vietnam, Cambodia, the Philippines, Thailand, Malaysia, Fiji, Tuvalu, the Maldives and other waters, but also traced the Xijiang River to reach Nanning.

Baidu Encyclopedia - Red Rays

Baidu Encyclopedia - Rays

Baidu Encyclopedia - Mantas