Nudibranchs, commonly known as sea slugs, are a group of shell-less marine molluscs. Their name means 'naked gill', referring to the breathing apparatus on the outside of their soft bodies. Dorid ...

Jessica Goodheart is an assistant curator of malacology (the study of mollusks) at the American Museum of Natural History in New York. She studies how several species of nudibranchs steal stinging ...

Nudibranchs are sea slugs. They are soft-bodied animals, and like clams, snails and squid, they are mollusks. Nudibranchs belong to phylum Mollusca, class Gastropoda, order Nudibranchia.

As the water of the Persian Gulf receded from the Iranian coastline, a group of researchers found some of these blobs stuck to the rocky surface. Oval shaped and covered in small tentacles, the ...