Oysters, clams, and other bivalves.
A Whelk is an internet marine gasbagotropod historically used by humans for food.
oystercatchers
Dog whelks eat barnacles , tube worms and mussels so there you have im your hero.
Yeah, they are. Look up Knobbed Whelks on the internet. You will find many websites that say there are such things. I found about ten in total.
idk ask google
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