Sea slugs use bold, bright colors under sunlight to warn predators of their toxic traits. These colors are easier for fish to ...

1. By Helen Sullivan Photographs by Michael Aw Imagine dragons—or go for a dive in the Pacific Ocean and keep an eye out for this astonishing two-inch sea slug known as Goniobranchus sp.

They found that sea slugs use bold visual signals like brightly colored spots, thick stripes, or enhanced body outlines to ...

They’re sea slugs, part of the Dotidae family. And while they’re small — measuring less than a quarter of an inch — they can have an outsize impact, according to a researcher who studies them.

But it gets even stranger than that; there's a slug that can photosynthesize like a plant! Sea slugs are fascinating in general. Whether it's a sea slug that looks like Shaun the Sheep that you ...