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Three-spot Swimming Crab

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description Three-spot Swimming Crab Overview

The three-spot swimming crab is a portunid crab found in tropical and subtropical parts of the Indo-Pacific. Its common name refers to the three prominent dark or reddish spots on each side of the carapace, a pattern used to distinguish it from related swimming crabs. The species is associated with shallow marine and estuarine habitats and is harvested as food in parts of its range, so it appears in both field guides and fisheries discussions.

help Three-spot Swimming Crab FAQ

Where does the three-spot swimming crab live?

The three-spot swimming crab is found in tropical and subtropical parts of the Indo-Pacific. It is a portunid crab adapted to marine environments.

Why is it called the three-spot swimming crab?

The name refers to three prominent dark or reddish spots on each side of the carapace. This pattern helps distinguish it from related swimming crabs.

What family does the three-spot swimming crab belong to?

It belongs to the family Portunidae, commonly known as the swimming crabs. The family includes crabs with flattened rear legs adapted for swimming.

How can you distinguish the three-spot swimming crab from similar species?

Its most useful visual clue is the pattern of three dark or reddish spots on each side of the carapace. Because related species can look similar, the full body shape and regional identification details also matter.

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