The frontal region − its rostrum − is thick, long, narrow, slightly bent upwards, and contains numerous hook-setae.

Aside from the chelipeds, large in males and slender in females, the limbs are long and thin, with the dactylus of the fourth and fifth legs fairly bent.

[3] The slender spider crab is a free living, solitary, epibenthic, and gonochoristic omnivore.

[2] It can be found in European waters, from the Faroe Islands to Portugal, most commonly around the British Isles.

[1][2] It usually occurs in waters 9–97 meters deep, on muddy to hard substrata, or in estuaries.