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White Skate Fact File

White Skate, Rostroraja alba. Artwork: Sinead Begley

Fast Facts

Scientific Name: Rostroraja alba

Gaelic Name: Scalaphort ban

Conservation status: Classified as critically endangered in Europe by the World Conservation Union and protected under EU law since 2009.

Range:  Although at its northernmost limit in the English Channel, it is more likely to be found (although still extremely rare) off the south west coasts of Ireland and England. 

Habitat:  It may be caught on the same grounds as the Common Skate and it is possible that it has been wrongly identified as this species. 

Lifespan: Unknown.

Diet: Fish, crustaceans and cephalopods.

Predators: Seals, humans.

Reproduction: Females lay eggs throughout the year with a 15 month incubation period.

The White Skate produces very large eggs that are protected in a sturdy capsule called a mermaid’s purse. The capsules are at least 13 cm long!

White-Skate-Eggcase-Marine-Dimensions

If you find one of these extremely rare purses on the beach, please do report it to your local shark and ray sightings scheme.



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