Fragile Surfclam
Mactrotoma fragilis (Gmelin, 1791)
Family Mactridae
The Fragile Surf Clam is a fairly common shell on S. Hutchinson Island. It is very thin and there is an indentation on one side. Recently, in lare 2022 ans early 2023 large mostly while shells have been found.
Three fragile Surfclams from S. Hutchinson Island - December 2020)
Large white shells from late 2022 which are over 4" wide
Shell size to 45 mm; shell thin but strong, oval, compressed. Posterior region with two ridges, beyond which shell gapes. Color white, with strong grayish-brown periostracum.