Cuspidaria costellata
Distribution and status
Rare. Distributed from the Norwegian Sea to the Mediterranean
The map provided here shows the distribution of the species based on Conchological Society data.
Ecology and behaviour
Burrows in muddy sand and gravel. The species is carnivorous and feeds by sucking in food with an adapted muscular gill. It probably feeds mainly on dead crustaceans.
Key identification features
- Surface sculptured with 20-30 radiating ribs
Taxon version key
[NBNSYS0000180926]
Sort order
11530
Taxonomic group
Marine bivalve
Brittle shell up to 1cm in length. The shell is white in colour but can appear translucent. The surface is obscured by a brown periostracum. The surface of the shell is sculptured with radiating ribs and concentric lines