Sea butterflies flit through the ocean on gossamer wings, each species with a style of its own. These tiny marine snails, or thecosomes, migrate up to surface waters at night to feed and sink to ...

Meet the sea butterfly. Unlike most species of zooplankton that occupy the all-important base of the marine food web, this sea snail earned its nickname by behaving more like an insect, fluttering its ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Until recently, the main threat to the lives ...

Part I. A Backaground. What is a mollusc? ; What is a snail? -- Part II. Primitive Sea Snails. Patellogastropoda : limpets ; Vetigastropoda : brush snails ; Neritimorpha : nerites -- Part III.

Scientists have known for some time that shells of the tiniest sea life have been dissolving due to an increasingly polluted ocean. Pteropods, ocean-dwelling snails roughly the size of a thumbnail, ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This shell clip was made by Ruth ...

Lots of species are added to the International Union for the Conservation of Nature’s Red List, the international endangered species list, each year. But the addition of a strange little deep-sea ...

Over the past two decades, the Gulf of Maine has become a popular landing spot for invasive species from across the world, ...