White pomfret: the scientific name is short-covered giant fat carp, also known as freshwater white pomfret.
Black pomfret: commonly known as black pomfret, iron pomfret and black pomfret.
Second, the division of different regions.
Pomfret: It is a tropical and subtropical fish, native to the Amazon River in South America.
Black pomfret: It is distributed from the northern coast of the Indian Ocean to the coasts of South Korea, Japan and China, and belongs to tropical and subtropical pelagic fish. Generally live in clear waters.
Third, the shape is different.
White pomfret:
The main body is approximately triangular, and the side is flat. Shallow arc uplift of trailing edge; The belly edge is deeply arched and sharp as a knife. The mouth is small and forward, almost vertical. The body is covered with small scales, which is not easy to detect. The lateral line is incomplete and divided into two branches. The base of dorsal fin is longer than dorsal fin, and most of the fins are buried under the skin, only the ends are exposed. The ventral fin is slender. Tail fin bifurcation.
Black pomfret:
The body is oval, high and flat, and the body length can reach more than 40 cm. The edges of the back and abdomen are very prominent, the head is small, the kiss is short, the mouth is small, the teeth on both jaws are thin and pointed, and the gill rake is thick and short. The body is small, round and dark brown. The lateral line is obviously slightly curved, and the lateral line scales at the tail stalk are large, forming a raised ridge.