Lionfish

Lionfish is the general name for fish in the subfamily Lionfish subfamily of the family Scorpionidae in the order Scorpionidae. Their typical characteristic is that they have a pectoral fin as large as a fan. And lionfish are also a certain threat to humans. The spines on their dorsal fins are toxic and can seriously cause humans to faint.

There are about 13 genera and more than 150 species of lionfish, including 1 genus and 4 species. Body length can reach 450 mm. The body is elongated, the front part is subcylindrical, and the back part is gradually flattened and narrowed. The head treats are flat. The muzzle is broad and blunt. The eyes are small and positioned upward. Mouth position, maxillary slightly beyond. Gill openings medium to large. The body has no scales and the skin is soft, smooth or has granular spines. The dorsal fin is extended, continuous or with a notch, the fin spines are thin and similar to the fin rays; the anal fin is extended; the caudal fin is truncated or rounded, often running through the dorsal fin and anal fin; the pectoral fin is basal, extending forward to the throat; the pelvic fin is in the pectoral position, Heals as a sucker. Mainly distributed in the Northern Pacific Ocean, Northern Europe, America and the Arctic Sea, with a small amount found in the Antarctic Sea. Lionfish mainly eat crustaceans and also eat small fish. The more numerous species in China are fine-grained lionfish.

Lionfish have large fins, but they are not good at swimming. They often hide in the crevices of reefs and catch prey as soon as it approaches. The dorsal fin has venomous spines, which are usually surrounded by a thin film. When encountering a predator, the membrane breaks apart and the venomous spines are used to attack the opponent.

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