雀鳝鱼。
雀鳝是雀鳝科(Lepisosteidae)雀鳝属(Lepisosteus)的大型鱼类的统称,产于北美或中美等地。与弓鳍鱼近缘,同隶于全骨总目(Holostei)。主要栖于淡水,但有的种类可进入半咸水甚至咸水。有锐利牙齿,是大型凶猛鱼类,肉食性。雀鳝肉可以食用,但卵有毒。在中国上海、重庆、韶关等地,雀鳝作为外来入侵物种,对当地其他鱼类构成极大威胁,有可能会破坏当地的生态系统。
雀鳝鱼属外来入侵物种,原产于北美,鱼卵有剧毒,不可食用,成年的雀鳝鱼体长可达3m以上,是大型肉食性凶猛鱼类,会攻击遇见的所有其它鱼类。和“食人鲳”同是臭名昭著的“水中杀手”,也是“世界十大最凶猛淡水鱼”之一。
Gar.
Gar is a general term for large fish of the genus Lepisosteus in the family Lepisosteidae, native to North America or Central America. It is closely related to bowfin fish and belongs to the order Holostei. It mainly lives in freshwater, but some species can enter brackish water or even salt water. It has sharp teeth and is a large, ferocious fish that is carnivorous. Gar meat is edible, but its eggs are poisonous. In Shanghai, Chongqing, Shaoguan and other places in China, gar, as an alien invasive species, poses a great threat to other local fish and may destroy the local ecosystem.
Gar is an alien invasive species native to North America. Its eggs are highly poisonous and cannot be eaten. Adult gars can reach more than 3 meters in length. They are large, carnivorous and ferocious fish that will attack all other fish they meet. It is a notorious "water killer" along with the "piranha" and one of the "top ten most ferocious freshwater fish in the world".
Piranha. Piranha is a fish found in the Amazon River in South America. It is a type of Piranha. There are nearly 56 species of Piranha, belonging to the subfamily of the family Characidae. According to their feeding habits, they can be divided into two types: omnivorous and carnivorous. The carnivorous piranha is called Nattereri. The body length of the fish is 30 cm (excluding the tail fin).