If you purchased live swimming crabs and want to preserve them for later use, here are some common methods:
refrigeration:
If you plan to eat your swimming crab within a short period of time, you can store it in the refrigerator.
Place the swimming crabs in a breathable container, then cover with a damp towel or paper towel and seal the container with plastic wrap. This helps keep the swimming crab moist and prevents it from escaping.
Direct contact with ice should be avoided as swimming crabs are sensitive to extremely low temperatures. The most suitable temperature is one close to freezing point but not below freezing point.
Water activities:
Another method is to put swimming crabs in the water, but you need to make sure they are in cool, moderately salty water.
Use a tank or container and add enough water to keep the swimming crabs hydrated, but not submerged.
Likewise, make sure the tank has proper ventilation and prevent swimming crabs from escaping from it.
No matter which method is used to preserve swimming crabs, they should be consumed as soon as possible within 24 hours of purchase, because fresh seafood tends to remain fresh for a shorter period of time. Also, please be careful to handle swimming crabs humanely to avoid unnecessary suffering.
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