are essentially snails without shells, terrestrial cousins of clams and oysters. They are gastropods, slime-producing mollusks that carry their stomachs inside their single “foot,” which is also their ...

We may have visually led predators to thank for some of the most dazzling marine species: sea slugs. Luminous greens, blues, pinks, oranges, and even rainbow coloration are all on the cards when it ...