rag worm BrE
clamworm AmE

Mackerel strip or rag worm make a good alternative.

The study revealed mussel to be more sensitive than the rag worm for all the end points evaluated.

We were rag worms burrowing under the sea.

One graceful avocet, in positively dazzling black and white plumage, swept for rag worms with long, upward-curving bill.

Whilst float fishing is simply suspending a bait usually a rag worm, sand eel of prawn below a float.

When all the small, local tackle shops are closed, will the mail order firms dirty there hands with lug or rag worms and sell one bag at a time?

We do not see the large Nereis - the common textbook example of a Polychaete, known in the States as a Clamworm and in Britain as a rag worm.

The sun was low in the sky now, shimmering the mud flats in a golden glow - and there were the graceful avocets, sweeping long curved bills from side to side through the fine silt, scooping up their favourite opossum shrimps and rag worms: a marvellous sight.