In rough periwinkle snails, embryos form and mature inside the brood pouch at different rates, as seen here. When it’s time to hatch, youngsters may have to crawl out of mom’s body and into ...

Sea Snails Clap Back to Climate Change. They're evolving their shells at unprecedented rates. ... “The periwinkles, those are just like lab rats here,” says first author Sean D. Connell.

Periwinkles, struggling to survive the seashore battleground, have developed a genetic 'toolkit' to help them adapt to different environments, a new study shows. This toolkit has enabled the snail ...

A checkered periwinkle marine snail, similar to these sitka periwinkles, was found growing inside an abscess on an 11-year-old Southern California boy’s arm. Emily Grason University of ...

Oil companies, levees and the burrowing nutria have been blamed for destroying Louisiana's marshes -- and now a new culprit arrives: the periwinkle snail.

In one longterm study, Kingston has focused her students’ attention on the rough periwinkle, a common snail found clinging to rocks up and down Maine’s shoreline. This project could open a window into ...

A checkered periwinkle marine snail, similar to these sitka periwinkles, was found growing inside an abscess on an 11-year-old Southern California boy’s arm. Emily Grason University of ...

Polyandrous periwinkle. Rough periwinkles are sea snails, less than 2 centimetres across, which exist in a range of colours. They are divided into several subspecies, ...

A seaside snail crawling along the gooey streak left by another snail is saving a lot of energy, say researchers, because it doesn’t have to ooze so much slime itself. “It’s much, much more ...

I saw a popular Maine mom serving her kids periwinkles for dinner on an Instagram video. They are an invasive species and also filled with protein so I decided to give them a try. I was surprised ...