How to Keep Brown Crabs? Detailed Guide to Farming Methods and Techniques

The brown crab mostly refers to species of the genus Cancer or the genus Calappa. The brown crab is mainly distributed geographically in the Pacific Ocean, and can also be found in the waters of Hong Kong, China. So how do you keep brown crabs?

1. Water temperature: the brown crab tolerates a temperature range of 3-23°C, the suitable temperature for farming is 10-20°C, it grows faster under water temperature conditions of 14-19°C, and the optimal farming water temperature is 15-18°C.

2. Salinity: the brown crab has a relatively wide range of salinity adaptation in farming, its tolerant salinity range is 12-40, the suitable salinity is 20-32, and the most suitable salinity is 25-30.

3. The light for brown crabs should not be too strong, with 500-1500Lux being suitable. The light should be even, soft, not glaring, and comfortable to the eye. The light rhythm should be the same as natural light.