Distinguishing Characteristics |
Bivalve (2 shells); shell ovate, very inflated, beak angles towards the anterior; color grayish white, sometimes with a brown skin (periostracum), interior white; many fine concentric ribs, ribs become smoother in center of shell; the depression in front of the beaks (the lunule) is longer than wide in large shells; has a small z-shaped pallial sinus. |
Similar Species |
Similar to the southern quahog, but the southern quahog's concentric ridges are strong throughout the shell, and its lunule is as wide as long. |
Habitat |
Nearshore Gulf, bays, higher salinities |
Maximum Size |
17 cm (6 3/4) |
Other Common Names |
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Previous Scientific Names |
M. campechiensis texana |
Comments |