Biologist displaying a sheepnose mussel

Photo By/Credit

Makeda Nurradin/USFWS

Date Shot/Created
09/01/2023
Media Usage Rights/License
Public Domain
Image
Biologist Beth Glidewell points to the intricate details of a sheepnose mussel’s periostracum, the outermost layer of the shell where growth rings are found. The ridges on the shell are used to help identify different species.
Subject tags
Fish hatcheries
Freshwater mussels