Tag Archives | snails

Ocean Acidity Is Dissolving Shells of Tiny Snails off U.S. West Coast

PIC: Jan Delsing (PD)

PIC: Jan Delsing (PD)

Via ScienceDaily:

A NOAA-led research team has found the first evidence that acidity of continental shelf waters off the West Coast is dissolving the shells of tiny free-swimming marine snails, called pteropods, which provide food for pink salmon, mackerel and herring, according to a new paper published in Proceedings of the Royal Society B.

Researchers estimate that the percentage of pteropods in this region with dissolving shells due to ocean acidification has doubled in the nearshore habitat since the pre-industrial era and is on track to triple by 2050 when coastal waters become 70 percent more corrosive than in the pre-industrial era due to human-caused ocean acidification.

The new research documents the movement of corrosive waters onto the continental shelf from April to September during the upwelling season, when winds bring water rich in carbon dioxide up from depths of about 400-600 feet to the surface and onto the continental shelf.

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Chinese Man Turns Green After Eating Too Many River Snails

greenI imagine that there are people who will now do this intentionally. AsiaOne reports:

A 24-year-old man was hospitalised in Guizhou province, China, after he ate too many river snails too frequently and turned green as a result.

The Chinese Center for Disease Control reportedly confirmed that he was infected by parasitic flatworms that live in animal livers. The parasite apparently entered his body because he was eating river snails on a daily basis.

He began complaining of a sharp abdominal pain about two months ago, but did not seek medical attention until he started exhibiting some very strange symptoms. His skin and the whites of his eyes started to turn green.

Doctors finally removed four common liver fluke (fasciola hepatica) from his common bile duct. Doctors said that the four parasites were each about 10mm long.

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Florida Hit By Invasion Of Hundreds Of Thousands Of Giant Snails

giant african land snailWill this be how the world ends — covered in snail slime? Tampa’s WTSP reports:

Since September 8, 2011 when the snails were first found, the Florida Department of Agriculture and the U.S. Department of Agriculture have collected more than 40,000 of the Giant African snails.

The Giant African land snail is one of the largest land snails in the world, growing up to eight inches in length. State officials said this invasive species eats at least 500 different agricultural crops, can cause damage to plaster and stucco on homes and though rare, can carry rat lungworm, a parasite that can cause meningitis in humans.

The last reported outbreak and eradication of the Giant African land snail in Florida occurred in 1966 when a boy smuggled three Giant African land snails into Miami as pets and his grandmother released the snails into her garden. It’s not known how the latest outbreak started, but it’s illegal to bring the snails into the US without a permit.

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