Though large and slimy, the mollusks' presence on Southern California beaches is seen as a positive.

While the blue swallowtail sea slug is rarely seen, ... Share this story. This beautiful, one-inch-long sea creature is very common on Hawaiian coral reefs, but rarely ever seen.

Studying sea slugs in the group Sacoglossa can mean being on the receiving end of some very imaginative emails. Sidney K. Pierce, of the University of South Florida, retired a few years ago ...

The sea slug’s body is made up of a large gelatinous hood and paddle-like tail. It can glow with bioluminescence. A LOOK AT THE WORLD'S LONGEST SNAKE WHICH MEASURES OVER 32 FEET, A RECORD ...

Bathydevius caudactylus is the first known sea slug to live in the deep water column. It lives in the ocean’s midnight zone–a wide area of open water about 3,300 to 13,100 feet below the surface.

Scientists had thought that such a relatively large animal — one of the sea slug species can grow to 6 inches (15 centimeters) long — couldn’t survive without a heart to pump blood and ...

Scientists had thought that such a relatively large animal — one of the sea slug species can grow to 15 centimetres long — couldn't survive without a heart to pump blood and nutrients to the ...

The rare rainbow sea slug, or Babakina anadoni, is typically found in the warmer waters off Spain, Portugal and France. Accessibility links. ... "It was quite a large, heavy rock, ...