Distinguishing Characteristics |
Bivalve (2 shells); shell somewhat triangular, moderately inflated, posterior end narrow and angular, anterior end broad and rounded, very fragile shell; color white; prominent, widely spaced concentric ridges, also apparent on the inner shell; hinge has a spooned-out depression for the inner ligament; has a radial ridge on the upper posterior margin, sometimes a lower ridge anteriorly; the posterior end has a gap between the 2 shells; the beak is pointed and points toward the narrow posterior end. |
Similar Species |
All surf clams have the scooped out hinge and posterior radial ridge, but the channeled duck clam is the only one with the prominent concentric ridges. |
Habitat |
Gulf, sandy bottoms of outer surf zones |
Maximum Size |
7.5 cm (3 in) |
Other Common Names |
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Previous Scientific Names |
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