The pronunciation of chub (lianyu) and catfish (nianyu) is very similar, and many friends still think that it is the same kind of fish, in fact, chub and catfish are not a kind of fish, and the difference is very big, chub is also called white chub, water chub, jumping chub, chub, and so on, and the catfish is also known as the pond lice, bearded chub, sticklebacks, pond fish, raw fish, live sub, etc., the following is how we will look at it! The difference between them!
Biological disciplines are different
1, catfish: catfish for the animal kingdom, phylum Chordata, subphylum Vertebrata, class Ichthyostomatidae, class Catostomatidae, family Catostomatidae, genus Catostomatidae, Catostomatidae species of fish.
2, silver carp: silver carp for the animal kingdom, chordata, vertebrates, subphylum vertebrates, spoke fin fish, carp, carp suborder, carp family, subfamily silver carp, silver carp genus, silver carp species fish.
Difference in living habits
1, catfish: catfish live in the lower and middle layers, is a nocturnal animal, carnivorous fish, prey on small fish, mainly swallowing, the role of the teeth is mainly to prevent the escape of food.
2, silver carp: silver carp belongs to the pelagic fish, belongs to the typical filter-feeding fish, relying on the gills of the special structure of the filter to take the plankton in the water, life-long to the plankton for food, in the fry stage, mainly eat zooplankton, as long as 1.5 cm or more gradually turned to eat phytoplankton.
Differences in external features
1. Catfish: Catfish have cat whisker-like tentacles growing around their mouths, at least one pair above the upper jaw, some have another pair around their mouths, and some have another pair in their lower jaws, many catfish have spines on their backs and pectoral fins, and the spines may have poisonous glands, which can be painful and injurious to be stung, and all catfish do not have fish scales, and they have a naked epidermis or are covered with a bony shield. with bony shields.
2. Chub: Chub is laterally compressed, greenish-gray on the back, white on the sides and abdomen, with a large head, low-positioned eyes, tiny scales, and horny ribs in the middle of the abdomen extending from the pectoral fins down to the anus, with the pectoral fins not exceeding the base of the ventral fins, and all fins grayish-white in color.
Difference in nutritional value
1, catfish: catfish taste sweet and warm, there is a tonic in the yang, facilitate urination, treatment of edema and other efficacy, rich in nutrients, per 100 grams of fish containing 64.1 grams of water, 14.4 grams of protein, and contains a variety of minerals and trace elements, especially suitable for frail and weak, malnourishment of the people to eat. Catfish roe is not suitable for consumption.
2, silver carp: silver carp taste sweet and warm, have spleen tonic, warm stomach, heat dissipation effect, can provide a rich gelatin protein, that is, fitness, but also beauty, is the ideal food for women to nourish the skin.