2, different habits: eels mainly live in the saltwater and freshwater convergence zone, love clean, like in the unpolluted waters habitat. Eels mainly live in freshwater, in rice paddies, ponds, lakes, ditches and other environments can survive, like in more humus in the silt burrow cave.
3, the active season is different: eels are active all year round, there is no seasonal restriction. Eels need to hibernate, usually only active in spring, summer and fall.
4, safety is different: eel does not have toxicity, is a safe fish. Eel's blood contains a little toxin, there is a certain safety risk when eating. However, the toxin in eel blood is very afraid of heat, encounter high temperature will be inactive, so it is safe for consumers to eat cooked eel.
Introduction of eel
Eel, also known as white eel, white eel, river eel, eel, river slippery, green eel, Japanese eel. Eel is a general term for species belonging to the classification under the order eel. Also known as an eel, it is a fish with an appearance similar to that of a long snake, and has the basic characteristics of a fish. In addition, eels have migratory characteristics similar to salmon. Eel is a genus of fish that resembles a snake but has no scales, and is generally produced in the sea at the interface between fresh and salt water. Eel fish fish body length of about 6 centimeters, weighing 0.1 grams, but its head is narrow, the body is high, thin and transparent like a leaf in general, so it is called "willow leaf fish".
The eel likes to live in clean, unpolluted waters. Eels spawn and reproduce in the deep sea and grow in freshwater environments. It is ferocious, voracious, active, diurnal, strong tendency to rotate light, preferring running water and warmth.
Eel introduction
Eel, also known as eel, body elongated snake-shaped, body length of about 20-70 centimeters, the longest up to 1 meter. The body is rounded in front and later laterally compressed, and the tail is pointed and thin. The head is long and round. Mouth large, end position, slightly protruding upper jaw, lip quite developed. The upper and lower jaws and muzzle bones are finely toothed. Eyes small, covered by a thin skin. Head thick tail thin, the body surface is protected by a smooth mucous membrane, no scales, color yellow-brown, the body is irregular dark black spots, the fins are undeveloped basically disappeared, the whole body has only a three-pronged spines, spines less meat thick.
The eel prefers to burrow in the humus silt during the daytime or to live in the watery rock crevices in the embankment. Daytime rarely active, night out of the hole for food. Nocturnal, oral skin folds viable respiration, so can breathe air directly. Winter and dry season, will dig holes as deep as 1-2 meters underground, several fish **** habitat. Gills are not developed, but with the oral cavity and the laryngeal cavity of the inner wall of the epidermis as a respiratory auxiliary organs, can breathe air directly; in the water when the oxygen content is very poor, can also survive. Out of the water, as long as the skin is kept moist, within a few days will not die.
How to pick eel
Quality live eel, the body is soft, the color is greenish-blue, close to smell, there will be no odor oh. If you are now then dried eel, then it must be complete in appearance, and the meat should be elastic to the touch. Top quality dried eel, dry and uniform texture, smooth cut, fish scales intact tightly, water content does not exceed 40%.
How to pick eel
1, choose the surface of the eel is more yellow, that eel is often wild, wild eel is more delicious, and the surface of the eel are often not so yellow, and also more dull.
2, see whether the eel is still alive, there are many times, the eel is basically not moving, so the eel we do not buy, often in fact, not far from death, eat up the taste will be much worse.
3, look at the thickness of the eel, in general, it is clear that we need to pick the thicker eel, thick eel meat tends to be more delicious, and eat up easier, too fine, eat up will be more trouble.
4, look at the surface of the eel whether there is a phenomenon of injury, generally injured eel don't buy, such eel meat tends to eat up the texture will be much worse, and those who are injured in the place of the meat tends to be not good.
5, see whether there is a deformation of the phenomenon of eels, some eels have been injured in life leading to deformity, such eels we do not buy, deformity of the place of eel meat is often not good. It is best not to buy better.
6, see whether the eel's teeth have been removed, this must ask the seller, because if it is not removed, we can not buy, buy, we are difficult to deal with, and easy to be bitten.