Today, a friend posted a strange fish, I don t know its name?

The spoon-shaped long-nosed sturgeon (Spoon sturgeon) is also a protected species in its place of origin, but because it has been bred in captivity for many years, it was mostly traded on the market at first.

Polyodon sturgeon.

Pictured below is the polyodon spathula (spoon-nosed sturgeon), commonly known as duckbill.

The snout is flattened and paddle-shaped, particularly long. The body surface of the fish is smooth and scaleless, the back is black, blue-gray with a few spots in between, the sides of the body are dotted ochre, and the belly is white. It is thought to use sensors in its paddle-shaped snout to detect prey and to navigate when migrating to spawning grounds.

Mainly zooplankton, but also crustaceans and bivalves.

It's kind of like a tiger fish, which should be a philosopher.

Edible sculls Cottidae are hemitripterus fishes.

The figure below is shownHemitripterus villosus, commonly known as Mr. Fish.

body long, coarse, posteriorly flattened and narrow; dorsal margin oblique, ventral margin shallow arcuate; The anterior half of the trunk is slightly higher, the base of the pelvic fin is the highest, and the trunk is longer, about equal to the length of the tail; The caudal peduncle is medium-long, and the caudal peduncle is about twice the height of the caudal peduncle. The head is large, slightly flattened, the back is concave and convex, the dorsal margin is obliquely concave, about 60 degrees intersects with the upper jaw, and the ventral margin of the head is obliquely arcuate. The snout is short, round and blunt, and the snout length is about equal to the diameter of the eye.

It is mainly found in the coastal waters of the Pacific Northwest, from the Bering Strait to the Yellow Sea.

Percichthyidae is a fish of the genus Siniperca.

The picture below shows the spotted mandarin fish siniperca scherzeri, commonly known as flower perch, fire cinnamon, black cinnamon, yellow flower cinnamon, and Xijiang spotted mandarin fish.

The body is long, flattened laterally, and the back is rounded and not very raised. Big mouth. End-position, slightly inclined upward, with a slightly protruding jaw.

The canines are well developed, and the upper jaw has canine teeth only at the front end, which are arranged irregularly. The jaw teeth are often two parallel and arranged in a row. The head has small dark round spots, and there are more annular spots on the sides of the body.

The individual is not large, generally 100 300 mm long, and the production is not high. The body is brownish-yellow or grayish-yellow, and the abdomen is yellowish-white, and there are nearly round black spots of varying sizes on the top of the head, back and lateral line, but not streaked. There are black spots on each fin spines, and the pectoral and pelvic fins are light brown.

In China, it is distributed in the Yangtze River, Pearl River, Minjiang River and other water systems, and is commonly found in rivers and lakes and mostly in the middle and lower layers of water. Feed on small fish and shrimp.

Benthic and fond of clear water, it prefers to hide in rocks, tree roots or lush grass. The suitable water temperature for life is 15 32, when the water temperature is below 7, there is no activity and feeding, diving in deep water for wintering, and in spring, after the water temperature rises, gradually swim to the coastal aquatic grass with abundant food to feed.

The carnivorous black fish is called the head of fire in our hometown.

It's mullet. You won't die if you leave the water for half an hour. Sometimes it makes a sound.

Where did you catch it? It's like a scavenger cleaner came.

It seems to be a baby fish, you search for ** on the Internet to compare.

Sucking catfish, a South American demersal fish. Commonly known as scavengers, it is one of the alien harmful species in our country. Because it has almost no natural enemies in the country and has a generous appetite, it is often swept away in its range of activities, such as small fish, shrimp and sunken bottom fish eggs.

If you don't plan to keep it, it's best to kill and abandon it.