Aquarium expert, help me see, what kind of fish is this? I saw it in the hotel lobby and liked it very much.

"Alligator", also known as finch eel, lived/kloc-0.5 billion years ago and flourished in Jurassic and early Cretaceous. Alligator is a kind of freshwater fish. The general water temperature is 18-26℃, which does not require high water quality, but it is difficult to cultivate in an aquarium. It mainly lives in tropical rivers and lakes in the southern United States, Central America, Mexico and the West Indies.

morphological character

The body length is 40-50CM, and the longest is reported to be 6 meters, which is a long cylinder. The mouth protrudes forward, and the upper and lower jaws have bone plates and teeth, which are similar to the mouth of an crocodile. The body is blue-gray, with dark black patterns on the body surface. The skin is covered with hard scales, thick and rough.

The above detailed answer comes from Baidu Encyclopedia/link? URL = ilruwpaefl 80 1x epdsmrje 9 tyledhebpsnfnw 7 uexvnw 6 _ meefeoa 7 wwxj 2 vjae 4 fidd _ I-yffbuvmpcurtp 2 uy 7 vvvyovxvh 8 rx-imjwf 7 1 1 cjiwowmbjygwncs