Snails usually lumber along on their single fleshy foot; but not sea butterflies (Limacina helicina). These tiny marine molluscs gently flit around their Arctic water homes propelled by fleshy wings ...

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 ...

Snails, crabs, insect larvae - the shores of rivers and lakes are populated by thousands of small animals that play an important role in the food chain of the freshwater ecosystem. They eat the leaves ...

Limacina helicina looks like most any other sea snail — until it beats what look like delicate wings and "flies" through the water. A newly published study in the Journal of Experimental Biology says ...

It was huge. Its light brown shell stood taller than the tip of my shoe. Its yellowish-green body stretched about an inch ...