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 ...

Here, we identify a new type of extreme autotomy in two species of sacoglossan sea slug. Surprisingly, they shed the main body, including the whole heart, and regenerated a new body. In contrast ...

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 ...