Mud crabs, or alimangos, are sea creatures that you can rear for commercial purposes too. According to a Chinese tradition, eating mud crabs can heal illnesses and provides a cure to old age (See ref 1). Rearing mudcrabs for yourself or for your business is a straightforward process and you do not need expert help to do it. Simply hatch mud crabs in salty water in hot climates and some fish that you can feed to the crabs.
- Skill level:
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Things you need
- Plastic pond or small garden pond
- Bamboo sticks
- Salt water
- Trash fish
Fill a pond with salt water (1 to 20 part salinity per 1000 ppt). Fill the base of the pond with muddy soil in which the crabs can hatch.
Raise a 6-foot-high bamboo fence around the pond using bamboo sticks (see ref 1). Place the bamboo sticks thightly near each other into the soil at a depth of two inches.
Use a hose to provide clear running water to the pond and saltwater to create ideal conditions for the crabs.
Place the crab seeds into the pond, at least five pieces per square foot of pond. You will not need to feed the crab seeds as they will eat the moss growing in the water.
Feed small fish to the crabs once they have grown larger. Use trash fish, about eight per cent of the weight of the crabs.
Harvest the grown crabs in 90 to 120 days depending on the size of the crabs.
Tips and warnings
- Use bamboo cages and place grown crabs in them for further fattening. The cage will stop the crabs moving around thus losing weight. Using a cage will grow the crabs faster.
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