Veined rapa whelk, Rapana venosa


Short description of Rapana venosa, Veined rapa whelk

A large, active predatory snail, growing up to 18 cm in length. It has a rounded, knobbly shell, with orange internal coloration. External coloration is grey with dark veins. The shell opening is large, with small teeth on the outer lip and a short, open siphon canal.

Description of Rapana venosa, Veined rapa whelk status in GB

The rapa whelk is not currently thought to be established in GB. Several individuals were caught by fishermen in 2005 in the North Sea 30 km south of the Dogger Bank suggesting that the species may be present offshore.

Habitat summary: Rapana venosa, Veined rapa whelk

Usually found on and under soft sediments from 3 – 90m water depth. The species is also occasionally found on hard and mixed substrates. In particular, individuals congregate on hard-surfaces such as rocky outcrops and man-made structures to reproduce in late spring and summer months. 

Overview table

Environment: Marine
Species status: Non-Native
Native range: Taiwan
Functional type: Predator
Status in England: Non-Native
Status in Scotland: Non-Native
Status in Wales: Non-Native
Location of first record: N Sea (wider Thames estuary)
Date of first record: 9

Distribution map

GB Distribution from NBN Atlas

Author's name:

Natalie Sweet

Last updated:

May 10th 2017

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