L.A. We Need You For Snail (and Slug) Science!

March 23, 2017

SnailBlitz 2017 is in full swing and concludes at the end of March. Our goal is to get 1,500 photos of snails and slugs from over 250 people. So we need your help! The iNaturalist observations so far have been and fascinating and beautiful! Here are some highlights:

Rumina decollata, the Decollate snail, non-native. These images show juveniles with the apex, or top, of their shell still attached. The one adult (bottom right) is missing the apex of its shell, as is characteristic of these snails when mature.

Thanks to citizen scientists silversea_starstong, alex_bairstow, and madtiller.

Ambigolimax sp., non-native. There are two species of Ambigolimax in Los Angeles County and it is impossible to tell them apart by their body patterns. Here is a selection of individuals (possibly of both species) that show some of the variation present in these slugs.

Thanks to citizen scientists cedric_lee, jaykeller, jkang5678, and jafuentes.

Chestnut snail, Glyptostoma gabrielense, native. Here are two Glyptostoma gabrielense snails, of one of greater Southern California’s native species. Not much is known about this species, but today it spans the San Gabriel Mountains, foothills, and canyons where it is generally rare. In the 1940s, there was a population that lived in the Dominguez Hills and Elysian Park neighborhoods, but there are no records of this species in either of those localities today.

Thanks to citizen scientist pileated.

Keep the observations coming! Participating is easy, and there are prizes for the best photos submitted!

 

 

(Posted by: Jann Vendetti)

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