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How to Raise Small Sea Crabs: Learn the Correct Farming Methods
Sea crab generally refers to the three-spot swimming crab (Portunus trituberculatus), also called swimming crab, spear crab, or sea crab, and it is widely farmed in China, with March-May and September-October being the peak production seasons. So how do you raise it? How do you raise small sea crabs? 1. Pond preparation Choose a pond more than 5 m deep near a sea area with abundant water sources, no pollution, rich resources of small miscellaneous fish, shrimp and shellfish, and convenient water intake and drainage. First remove excess sludge at the bottom of the pond, loosen and sun-dry the pond bottom, and repair related farming equipment; then set up obstacles to make it easy for the small sea crabs to rest and hide; then disinfect with chemicals on a sunny day, and fill with water after disinfection is complete.
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How Do Blue Gouramis Breed? Methods and Key Technical Points Explained
The blue gourami, also known as the three-spot gourami, blue three-spot, snakeskin gourami, and three-spot Belontia, is a common tropical ornamental fish. So how does it breed? 1. How the blue gourami breeds. The blue gourami reproduces by laying eggs. The blue gourami reaches sexual maturity at 4-5 months of age. After maturing, the male begins to chase the female; the female swims to beneath the bubble nest, and the male bends his body to embrace the female. After several embraces and rolls, the process of spawning and releasing sperm is completed.
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Late-arriving flower crab, three-spot crab and stone crab finally enter port! Where have the Wanli crabs gone? Lack of accurate statistics makes scientific research difficult
Late-arriving flower crab, three-spot crab and stone crab finally enter port! Where have the Wanli crabs gone? Lack of accurate statistics makes scientific research difficult
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Flower crabs, three-spot crabs and stone crabs enter port late, and the lack of statistics makes scientific research on Wanli crabs difficult
The late-arriving flower crabs, three-spot crabs and stone crabs finally enter port! Where have the Wanli crabs gone? Without precise statistics, scientific research is difficult
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Can flower crabs and three-spot crabs be eaten without worry? Xu Chengyu on why sustainable Wanli crabs need our attention
Xu Chengyu / Delicious flower crabs and three-spot crabs: can we really eat them freely without worry? Sustainable Wanli crabs need your attention
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