Crab id

[KING KONG]

Assuming its a blue crab. It was a food but from 2 week it is defending itself against trigger

 

[Jay Hemdal Verified Community Expert]

Assuming its a blue crab. It was a food but from 2 week it is defending itself against trigger

Depends where it came from. Looks to be one of the swimming crabs (Portunidae) a group which includes the blue crab, but there are different species.

Jay