butterfish

The body shape is on the side, the head and chest are obviously connected, and there is a mastoid in the esophageal side capsule, so the mouth and tongue can't stretch; The dorsal fin is the same as the gluteal fin, slightly longer, without ventral fin, short fin spine, forked caudal fin, and the lower leaf is longer than the upper leaf; The body surface is covered with tiny round scales, and the color is silvery white, so it is called silver pomfret.

Jingyu

The body is slightly flat and spindle-shaped, generally 20~40 cm long and weighs 150~400 g. The head is big, the front end is tapered, the eyes are big and high, the mouth is big, the upper and lower jaws are the same length, each with a row of fine teeth, and the plough bone and hipbone have teeth. The body surface is covered with small round scales, the back of the body is bluish black or dark blue, and there are irregular dark blue insect etching above the horizontal line of the pectoral fins on both sides of the body.

2, the effect is different

butterfish

1, rich in unsaturated fatty acids, has the function of lowering cholesterol, and is a good fish food for people with hyperlipidemia and high cholesterol.

2. Flat fish is rich in trace elements selenium and magnesium, which can prevent cardiovascular diseases such as coronary atherosclerosis, delay the aging of the body and prevent the occurrence of cancer.

3. Stasis-calming has the effects of benefiting qi and nourishing blood, nourishing stomach and essence, smoothing tendons and benefiting bones, and is very effective for dyspepsia, diarrhea due to spleen deficiency, anemia, and aching bones and muscles. Flat fish can also be used for children with chronic illness, deficiency of qi and blood, fatigue, loss of appetite and other diseases.

Jingyu

Mackerel is rich in iron, calcium, protein, phosphorus, sodium, potassium, nicotinic acid and vitamin B and D groups, as well as unsaturated fatty acids EPA and DHA. According to the research, the DHA content of mackerel is second only to fat tuna in other aquatic products.

The nutritional value is extremely high. Fat is rich in unsaturated fatty acids EPA and DHA that activate the brain, and contains more oil components. The oil is clear and delicious.

3. Different living habits

butterfish

Body shape and habits: the body shape is similar to piranha. About 20 centimeters long. The whole body is silvery white, and the fins from the lower jaw to the abdomen, buttocks and buttocks are red during estrus. Silver pomfret is gentle, does not attack other fish, and can be mixed with other large fish.

I like mild acid and soft water, and my living conditions are not harsh. Omnivorous, love to eat aquatic plants, not suitable for planting grass in the feeding tank, otherwise it will be eaten up. They also eat animal bait. Love to swim in groups, strong physique and easy to raise.

Jingyu

The dense shoal of mackerel reached 32 kilometers (20 miles) upstream of the water. They mainly feed on shellfish larvae, worms, fish eggs and small fish, and they are also the food of whales, sharks, dolphins, tuna and seabirds. In spring, mackerel migrate to the coast to lay eggs.

Female fish lay 200,000 to 400,000 eggs. Every egg contains a small drop of oil, so that they can float on the water. It takes four to six days for fish eggs to hatch. Small fish grow very fast and can grow to an average length of 5 cm (2 inches) in two months.

Baidu Encyclopedia-Pingyu

Baidu encyclopedia-mackerel