Florida Keys Deer Cowrie (Macrocypraea cervus)

Florida Keys Deer Cowrie (Macrocypraea cervus)

Add a true Caribbean showpiece to your aquarium with the Florida Keys Deer Cowrie. Known for its large, glossy shell patterned with rich brown spots and creamy undertones, this iconic cowrie is one of the most striking gastropods native to the region.

Collected and conditioned from the pristine waters of the Florida Keys, Deer Cowries are hardy, long-lived snails that are best suited for experienced hobbyists with established systems. Primarily nocturnal, they spend daylight hours tucked into rockwork and emerge at night to graze.

Details:

Common Name: Deer Cowrie

Scientific Name: Macrocypraea cervus

Origin: Florida Keys

Size: Typically 2–4 inches (juveniles may grow larger over time)

Temperament: Peaceful

Activity: Nocturnal

Diet: Algae, sponges, and biofilm

Reef Compatibility: Use caution – may graze on sponges and some sessile invertebrates

Care Notes:
Requires a stable, mature marine aquarium with ample live rock and natural grazing opportunities. Like all cowries, they appreciate consistent water parameters and should be acclimated slowly.

Perfect for collectors, biotope aquariums, or anyone looking to showcase a classic Florida Keys marine invertebrate with unmatched natural beauty.