They're tiny, blobby, butt-shaped, and glow in the dark. What the heck are they? Scientists are still figuring them out.

It was previously thought that the blue sea slug’s food was cnidarians such as the Portuguese man-of-war, but it has been discovered that it also preys on a variety of other species, including fish.

The study, “Variation in thermal tolerance plasticity and the costs of heat exposure in the estuarine sea hare, Phyllaplysia taylori,” published on February 25, 2025 in Ecosphere, reveals that this ...

The animal belongs to a genus of air-breathing marine slugs called Peronia ... → 6-foot-long sea creature — with 'sharp' snout — discovered as new species in Colombia → 'Large' creature ...

The Sea Slug Animation Festival, the newest Seattle film festival whose adorably named “larval edition” runs from March 7–8 at the SIFF Cinema Uptown, is building itself around community ...