Impact on marine life Kawamura’s work focuses mainly on abalone, a marine mollusk and one of the world’s most expensive seafoods. Abalone were among the species in the affected area that had ...

A separate expedition found new species such as a limpet, a marine mollusk with a conical shell, and a sea star in polar waters at a depth of 10,000 feet (3,053 meters) in the Norwegian-Greenland Sea.

The fossil records show molluscs have been systematically diverse and common throughout much of their ... to the seven shell-bearing molluscan classes from across their entire geological range.

This method of protection can keep almost all predators at bay - but not the kaleidoscopically colourful sea slug. Nudibranchs, commonly known as sea slugs, are a group of shell-less marine molluscs.