earthplatform.com

Results 1 - 1 from 1 for columbia pebblesnails in 0.018 sec.

Great Columbia River Spire Snail
Due to these requirements, the Columbia pebblesnail is only found in the colder, clear streams of the Snake-Columbia River system. Columbia pebblesnails graze on submerged gravel, scraping ... Columbia pebblesnails were widespread throughout the Lower Snake and Columbia Rivers, as well as their larger tributaries. Today, however, this species is limited to the relatively few reaches of the Columbia ...
pacificbio.org