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What kind of fish is this? Hainan is called "stupid fish" locally, but I don't know the scientific name.
The scientific name is lanyu.

There are currently 28 effective basket fish? . This kind of fish has a flat oval shape, a slender mouth and a small mouth. Its dorsal fin and anal fin are sharp and poisonous, and its food is mainly algae food.

Basket fish is an omnivorous fish, mainly based on plant food, but it can also eat compound feed after artificial domestication. In the early stage of putting seedlings into the pond, algae should be the main food, especially the newly grown Eucheuma heterophyllum buds, which is the best food.

Basket fish often inhabit rocks or corals, and when the season comes, they often gather in ports, especially where Eucheuma is planted. Sometimes it enters salty fresh water and estuaries. Widely distributed in Indian Ocean and Western Pacific Ocean. I was born in Nanhai and Nanhai.

Extended data:

Blue herring likes to inhabit the river-sea junction of rocks, coral bushes and mangrove swamps for group activities, habitat and foraging. Because of its omnivorous diet, it can eat algae and attachments in cages and ponds, has the function of cleaning water bodies and has high economic value.

Blue herring is a group of active fish species. According to its characteristics, it can be judged whether the fish is sick or not. When some individuals leave the group and move on their own, they can completely explain that they are sick. Black herring consumes a lot of oxygen, so we should not only pay attention to stocking density, but also pay attention to the monitoring of bait dosage and dissolved oxygen in water. It is best to choose water quality and certain water flow in the process of breeding to keep the growth environment stable.

The suitable water temperature for the growth of black carp is 22-29℃, but its adaptability to the environment is weak. When the water temperature is too high, it is easy to die.

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