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Macrostrombus costatus
Macrostrombus costatus (Gmelin, 1791)
Milk conch
Macrostrombus costatus
photo by Coltro, Marcus

Family:  Strombidae (conchs)
Max. size:  23.1 cm DL (male/unsexed)
Environment:  benthic; marine; depth range 2 - 55 m
Distribution:  Western Atlantic.
Diagnosis:  Shell of medium size, shape extremely variabe, sculpture of projecting nodules on shoulder. Aperture flared in mature specimens, sometimes with very thick lip. Colour: internal shell white, sometimes glazed or metallic-like; shell externally cream to brown, frequently flecked with other hues.
Biology:  Maximum depth from Ref. 109264. Lives on sand in meadows of seagrass or, less frequently, brown algae (Ref. 355).
IUCN Red List Status: Not Evaluated (N.E.) Ref. 123251)
Threat to humans: 
Country info:   
 

Source and more info: www.sealifebase.org. For personal, classroom, and other internal use only. Not for publication.



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