The ram's horn snail, Planorbella trivolvis, is a carrier of the Bolbophorus trematodes that infect farm-raised catfish. Two snails are seen here in their natural environment, on aquatic vegetation under water.

Photo by Scott Bauer.

This image is in the public domain because it contains materials that originally came from the Agricultural Research Service , the research agency of the United States Department of Agriculture . العربية ∙ dansk ∙ Deutsch ∙ English ∙ español ∙ فارسی ∙ français ∙ italiano ∙ 日本語 ∙ македонски ∙ മലയാളം ∙ Nederlands ∙ português ∙ sicilianu ∙ Türkçe ∙ Tiếng Việt ∙ 中文 ∙ +/−