Wild Water Worms by Julie Ann Kridler | Jan 1, 2023 | 2023, 01 January, Articles & Stories, Crustaceans & MollusksView the January Nature Friend Magazine Photos © Dreamstime.com. Bootlace worms are the longest animals in the world. They can grow up to nearly 200 feet (60 m) —longer than a blue whale. They are black or brown with a purple or blue head, and hide under rocks in the...
