High-quality hairy crabs generally live in clean water, so you can look at their colors when you look at them, because the colors of hairy crabs are closely related to their living environment.
For example, the blue carapace is uniform in color, and the sparkling hairy crabs represent the waters where they live with excellent water quality and rich nutrition, which can be said to be the second generation of hairy crabs, while the belly color of hairy crabs is as white as ceramics, full of luster, and has a sense of bling.
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When you hold hairy crabs in your hand, you will find that some hairy crabs are the same length and size, but their weight is much worse. This is because the hairy crabs have not filled the crab shells.
If you like to eat hairy crabs with more crab roe, you can turn them upside down and look at the gap between their abdomen and navel. If the abdominal umbilical space is larger, it means more crab roe.
When the hairy crab turns over, its abdomen is up. If he can turn over quickly, it means that the hairy crab is healthy and full of vitality.