Are pufferfish in rivers or seas?

Most live in the sea, but they can also be found in rivers.

In March each year, they swim from the open sea to the brackish water areas of river mouths to lay their eggs. Only the dusky pufferfish enters fresh water in groups and lays its eggs in rivers from May to June; the number of eggs usually ranges from 40,000 to 50,000. In autumn, the water temperature drops and begins to flow down the river. Like other species, it swims to deep water and returns there to overwinter in early December.

Pufferfish have a mixed diet, feeding on fish, shrimp, crabs and crustaceans. It also feeds on insect larvae, cladocerans, copepods, as well as leaves and filamentous algae of higher plants. Feeding is generally minimal during reproductive migration.

Ancient Chinese medicinebelieves that puffer fish can reduce swelling and detoxification, dispel stagnation and analgesia, and treat scabies, insect wounds, swelling and unknown poisons. Its muscles, skin, liver, seeds and eyes are all used as medicine. Modern scientific research believes that puffer fish has many functions such as reducing swelling, eliminating stomach problems, lowering blood pressure, fighting tumors, restoring physical strength, regulating the immune system, etc. The nutritional value of puffer fish is very high. It is extremely rich in protein, unsaturated fatty acids, DHA, EPA and other nutrients, but its fat content is very low.

Pufferfish are bottom-dwelling fish of warm temperate and tropical zones. They inhabit the middle and lower layers of the ocean. Some species enter freshwater rivers when theyencounter external danger, their entire body floats on the surface. a spherical shape, and their skin The small spines on the body serve as self-defense.

In addition to its delicious taste, puffer fish also has many little-known nutritional values ​​and health benefits. It is rich in protein, vitamins, amino acids, unsaturated fatty acids, trace elements, etc., especially the content of glutamic acid in edible parts is the highest among fish. ?

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