Spanner Crab

Ranina ranina

Other name

Red Frog Crab


Tail prominently visible from above; broad flat frontal spines; flattened legs; spanner-like claws; bright orange. To 125 mm across.


In subtidal sand and muddy-sand; shallows to about 50 m depth. Crabs have been swarming in large numbers on sand banks within Moreton Bay, apparently for breeding. Widespread, northern Australia from Houtman Abrolhos, WA, to southern NSW; Indo-West Pacific.

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