Costoanachis avara (Say, 1822) Greedy Dovesnail In Situ

Costoanachis avara (Say, 1822) Greedy Dovesnail In Situ

    On granite boulder of the south St. Johns River jetty with Stramonita haemastoma floridana (Conrad, 1837) [Florida Rocksnail], minus 0.8 foot tide, Mayport Naval Station Beach, Jacksonville, Duval County, Florida 3/22/2011