You may not want to go swimming with them:' Biting sea worms swarm

Bait ball - Wikipedia

Thousands of Hook-Jawed Marine Worms Swarm South Carolina Coast – NBC Boston

What are sandworms and why shouldn't we fear them? - Quora

The Lowcountry is swimming with sealife, My Charleston

Here's What You Need To Know About 'Biting Worms

Frenzies of predatory, hooked jaw sea worms seen along coastal waters – they can break skin

Fireworms with toxin-loaded bristles found on Hong Kong beaches as breeding season intensifies

Sea creatures pollinate marine plants and algae, surprising scientists

River Life: Why worms swarmed the St. Johns - Wave Magazine Online

Once Upon a Tide - The Drake Magazine

Have you ever been bitten/attacked by a fish while swimming in the sea? What exactly happened? - Quora

Friends of Skagit Beaches - Pile Worm