Also known as angelfish, angelfish. The fish is diamond-shaped and extremely flat, with the trailing edge of the caudal fin straight, and the dorsal fin and gluteal fin extending backward, symmetrical up and down, like an open sail. The ventral fin is long and filiform.

From the side, it looks like a swallow flying in the air, so it is also called swallow fish. Distributed in Indian Ocean, East Coast of Africa, Red Sea, East Australia, North Japan, South China Sea of China and Strait of Taiwan Province Province, it belongs to warm pelagic fish. Most of them live under floating objects on the sea surface. This species of type species is in Lohaga.

This kind of fish is very flat and diamond-shaped, with a steep head and a small and blunt mouth. Young fish are reddish brown, like dead leaves; The adult fish is yellowish brown with 2 to 3 dark horizontal stripes. The dorsal fin, ventral fin and gluteal fin are all sickle-shaped, with black edges. There are slender flat three-pointed teeth in the jaw, and the central tip is about twice as long as the lateral tip.

There are teeth on the plow bone, but not on the jawbone. The anterior gill cover bone is smooth, the gill cover has no spines, the caudal fin is shortened, and the dorsal fin has 5 to 6 hard spines; 34 to 37 dorsal fin strips; 3 hard spines of gluteal fin; The gluteal fin has 24 to 28 soft bands, and its body length can reach 45 cm.

Be distributed

This fish is distributed on the east coast of Africa, including South Africa, East Africa and the Red Sea, and in the western Pacific region of India, including Mauritius, Seychelles, Maldives, India, Ceylon, Thailand, Vietnam, Malaysia, Indonesia, Philippines, Papua New Guinea, Australia, Micronesia, Palau, Niue, New Caledonia, Vanuatu, South Korea, Japan, Republic of China and South China Sea of China.

Pucallpa originated in Peru, South America, and went north along Rio de Kaiali, all the way through the Amazon waters, reaching the Amazon Delta in eastern Brazil. They can be found in this area of nearly 5000 kilometers.