Swampy Lymnaea

The swampy lymnaea is a large, native Colorado snail.

Swampy Lymnaea. Hans Zwitzer, BY-SA-NC

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About This Species

The swampy lymnaea can be an inch and half long and slides along the bottom of the water body and is a grazer and scavenger. 

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Physical Characteristics

The shell of the swampy lymnaea is large, up to 40 mm or more in length, thin and fragile. Its spire is sharply pointed, with 6 or 7 whorls. The shell surface is shiny with a malleated (hammered) appearance. The aperture is usually half the length of the shell. The lip is columellar and twisted outward.​

Range

It is found only in mountainous portions of the Arkansas, Colorado, and Rio Grande River drainages. 

Habitat

​The swampy lymnaea lives in warm, shallow ponds, lakes and marshes. The swampy lymnaea is capable of creating a slime rope for crawling to the surface for air.

Mollusk
Lymnaea (Stagnicola) stagnalis