Biscayne National Park Mollusks

All species on this list have been recorded as present in the park. They are sorted alphabetically by common name. The list is not exhaustive, and documented sightings of species not on this list are welcome. Submit your sightings to

Angulate Periwinkle, Litterina angulifera

Caribbean Reef Squid, Sepioteuthis sepioidea

Florida Horse Conch, Pleuroplaca gigantea

Florida Tree Snail, Ligus fasciatus elliottensis

Helmet Conch, Cassis tuberosa

Isopod, Ligida spp.

Limpet, Siphonaria spp.

Oyster, Crassostrea spp.

Queen Conch, Strombus gigas

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Featured Park
Rising above a scene rich with extraordinary wildlife, pristine lakes, and alpine terrain, the Teton Range stands monument to the people who fought to protect it. These are mountains of the imagination. Mountains that led to the creation of Grand Teton National Park where you can explore over two hundred miles of trails, float the Snake River or enjoy the serenity of this remarkable place.
Featured Wildlife
The pika is a close relative of the rabbits and hares, with two upper incisors on each side of the jaw, one behind the other. Being rock-gray in color, pikas are seldom seen until their shrill, metallic call reveals their presence.