A beautiful Macrostrombus costatus (Gmelin, 1791) personally collected from the Dry Tortugas, Florida aboard the F/V AVA PILAR. This is a mature specimen with an attractive tan and cream coloration, broad flared outer lip, and its operculum present.

Specimen Data

Family: Strombidae
Species: Macrostrombus costatus
Author: (Gmelin, 1791)
Location: Dry Tortugas, Florida
Method: Baited lobster trap
Depth: 180–200 ft
Date: August 2026
Collector: Randy D. Rivera – F/V AVA PILAR
Measures: 113.9 mm
TSC #: STR-1027TSC
Operculum: Present

Condition

Good collector quality. The specimen retains its operculum and shows natural growth wear and imperfections consistent with a mature, trap-collected shell. Please review the photographs carefully for exact condition.

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Tortugas Shell Collection

Personally collected by me from the waters of the Dry Tortugas aboard the F/V AVA PILAR during lobster operations. Original Tortugas Shell Collection data will be included with the specimen.