More information about garThe gar, also known as the duck-billed eel and the duck-billed crocodile, belongs to the family Siluridae in the order Siluridae. Originated from the Great Lakes region of North America, it belongs to the family of gars. It is 40-50cm long and cylindrical. Its mouth is protruding forward, and it has bony plates and teeth on the upper and lower jaws, which resembles a crocodile's mouth. Its body is bluish-gray with dark black patterns on the surface. Its skin is covered with hard scales, which are hard and thick, and its skin is rough. The water temperature for breeding is 20-26℃, and the water quality requirements are not strict. It can be fed with small live fish, fish meat, water earthworms, etc. It is easy to breed. It is difficult to breed in an aquarium. The gar (which means spear in Anglo-Saxon) is a freshwater fish found in tropical rivers, lakes in the southern United States, Central America, Mexico, and the West Indies. The gar is a ferocious carnivorous fish with a long snout and sharp teeth. The fish will attack any fish it encounters, lying motionless and pretending to be dead until the prey gets close to it, then it strikes the killing blow, then circles the dead fish once or twice before eating it. Local fishermen regard it as an ominous creature because few other fish live where it lives. Local fishermen are generally reluctant to eat this fish, and it is not very suitable for consumption. Gar has a layer of diamond-shaped scales all over its body, which looks like the armor worn by warriors and is extremely hard. In fact, it is composed of inorganic salts. Many extinct ancient fish also had this kind of scales. Like other ancient fish, gar also has a swim bladder connected to the esophagus, which can be used for breathing. Gar eggs are extremely poisonous, and humans or other warm-blooded animals will die if they accidentally eat them. It comes from North America. Its long and powerful mouth makes it an extremely ferocious carnivorous fish in freshwater. It uses unique air sacs as a respirator to absorb oxygen from the air. Gar is closely related to bowfin fish and is a fish that has survived from ancient times. It is now only distributed in North America and its vicinity, but in ancient times it was distributed in freshwater areas all over the world. Fossils dating back 120 million years have been found in Europe. The body is covered with diamond-shaped hard scales, the scales are very hard, and most species have sharp mouths like crocodiles. There are more than a dozen species of gars found so far. Their biggest feature is that their bodies are covered with diamond-shaped hard scales, which are very hard and are called bone scales. Their tails are round, which is a unique round tail of ancient fish species. Most species have pointed mouths like crocodiles, with long snouts and well-developed and sharp teeth. Gars appeared very early and flourished in the Jurassic and early Cretaceous periods. They were distributed in freshwater areas around the world. Now they only live near North America, and their main production area is the Mississippi River in North America. Fossils dating back 120 million years were discovered in Europe, which was the same period as the fossils of Archaeopteryx, but it is estimated that gars lived 150 million years ago. The reproductive capacity of gars is not very strong, but the survival rate of young fish is quite high, which is also a major reason why this species can be successfully preserved to this day. It can breathe with its swim bladder, which is connected to the esophagus. In an oxygen-deficient environment, it swallows air into its swim bladder to breathe, so it can survive on land for a short time. At present, no gars have been found in the waters of mainland my country. |
<<: CATDOLL: What are the differences between Basa fish and Longli fish?
1. What is the role of bran in feed? Wheat bran m...
What color is authentic wild sea cucumber Authent...
1. How to raise red worms at home? 1. Breeding en...
1. Join Li Yanrong's cockroach factory? Li Ya...
1. What should I do if earthworms have aphids? 1 ...
Why do earthworms have wings? What we usually see...
Cats know they have been abandoned. Cats also have...
1. What subsidies does the country provide for be...
1. How many years do you have to raise cicadas be...
How to treat Newcastle disease in laying hens? La...
Freshwater shrimp is a kind of freshwater shrimp....
The fish known as soft gold is eel fry. Eel fry i...
1. Two ways for bees to overwinter: 1. Wintering ...
Purpose and use of ivermectin feed addition Iverm...
1. When did my country start raising silkworms? Y...