Species profile
Common Whelk
Buccinum undatum
At a glance
Common Whelk (Buccinum undatum) is a marine snail present across the CatchRules coverage area but without species-specific bag, size, or season rules tracked in our regulatory dataset.
Confirmed by 1,336 research-grade iNaturalist observations, with Nova Scotia, Massachusetts, and Maine the top jurisdictions by observation count.
Notable details
- The most popular seafood whelk in the UK, sold boiled at seaside stalls for centuries.
- Can grow to about 4 inches (10 cm) and live more than 10 years.
- Preys on mussels, clams, and polychaete worms by forcing or boring open their shells.
- Its egg mass, called a 'sea wash ball,' is a spongy cluster of papery capsules commonly found on beaches.
- Found across cold North Atlantic waters from Norway to the US Mid-Atlantic coast.
Where Common Whelk are seen
Background
Buccinum undatum, the common whelk or the waved buccinum, is a large, edible marine gastropod in the family Buccinidae, the "true whelks"....
Background excerpt adapted from Wikipedia's Common Whelk article (CC BY-SA). Visit Wikipedia for the full entry.
Other marine snails (whelk/conch) on CatchRules
Photo credit: iNaturalist / Wikipedia. Identification reference only — verify regulations with the issuing wildlife agency before retaining a catch.