Minor jackknife clam

Ensis minor

Family Pharidae - razor clams

Bivalve (2 shells); shell elongate, slightly inflated, ends truncate to slightly rounded, thin, fragile; color whitish to light brown, sometimes with a greenish tinge, a triangular area of transverse brownish lines starting hinge area down to posterior end, apparent in most fresh individuals; hinge near anterior end; dorsal edge (side with hinge) may be straight or slightly curved; shells gaping at both ends; length of shell greater than 5 times the width; hinge area of left valve with 2 vertical teeth and 1 low lateral tooth, right valve with 1 vertical and 1 low lateral teeth;
Similar Species
The length of the green jackknife clam, S. viridis, is less than 5 times the width, and it has only 1 vertical tooth in the left valve.
Gulf and bay, around edges of bays and lagoons
Maximum Size
rarely exceeds 7.6 cm (3 in)
Other Common Names
Previous Scientific Names