Month: October 2011

Snail Surfer

A feminine violet snail, Janthina exigua, hangs from a float of home-based mucus.

Scientists have extended observed snails “surfing” the load on such rafts, which can dish up as flotation devices, egg-storage areas, and platform for youthful snails.

But it was unknown how the family of fewer than ten bubble-rafting species evolved their odd lifestyles, said Celia Churchill, a Ph.D. student at the University of Michigan in Ann Arbor.

Churchill had already supposed that bubble rafters evolve from bottom-dwelling snails that create mucus-filled egg masses. To pinpoint the rafting snails’ neighboring relatives, the team sequenced DNA from bubble-rafting class and other possible “sister families,” using molecular technique to piece jointly an ancestral family tree.

The results exposed that bubble rafters descend from a bottom-dwelling snail call the wentletrap, which still exists today.

Both snail groups exude mucus from their feet-muscular organs at the basis of their bodies. But in its place of making egg masses, the bubble rafters use the quick-hardening mucus to make rafts with the “consistency of bubble wrap,“, whose new study appeared recently in the journal Current Biology.

Porpida porpida: A jelly-like being which in fact not a jellyfish

Our planet is filled of amazing natural wonders. When we talk about incredible undersea creatures, it’s high-quality to keep in mind that most of the deep seas are still uncharted. In the history decade, researchers and explorers contain found many amazing sea animals previously unidentified to science. Yet a lot of of the ocean’s other creatures are yet to be exposed. Today, we are listing here 13 of the most wonderful and amazing sea creatures, most of which we may never have seen before!

This creature that looks like jellyfish is in fact a marine organism that consists of a colony of polyps. With a disc-like body, this family member of the jellyfish is called the ‘blue button’.