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Snorkel St. John, USVI
St. John Snorkeling

 

Purse-Oyster

Isognomon sp.

These water filtering machines are found near the surface of the water attached to shoreline rocks.

Lister Purse-Oyster - Isognomon radiatus
Lister Purse-Oyster - Isognomon radiatus
Lister Purse-Oyster - Isognomon radiatus

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