Fat Tuna


Spinous spider crab

Maja brachydactyla

Migrations generally take place in autumn, with some crabs covering over 160 km in eight months.

Conservation Status

Local stocks appear to be healthy.

Principal fishing methods

fish traps.


All crabs are vulnerable to predation when moulting, and M. squinado becomes gregarious around that time, presumably for defense against predators. Females can produce up to four broods per year.


April to September



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