Black tunicate / Sea Squirt GALLERY

Phallusia nigra

Sea Squirts are another name for the members of the class tunicate . While some tunicate s are "Threatened species", like this one, other species are exploding in population and causing problems. Sea Squirts are thought to be a precursor to the human heart!  Read Article (external Link).  these Black tunicate s are found in the mangroves, on wall faces, in between rocks and just about any where else and in water as shallow as a couple of feet.  They are the largest tunicate of all the ones I've photographed snorkeling in St. John waters.  The tallest siphon (incurrent) may be 2 inches tall.

Black Sea Squirt (tunicate) - Phallusia nigra
Black Sea Squirt (tunicate) - Phallusia nigra
Black Sea Squirt (tunicate) - Phallusia nigra
Black Sea Squirt (tunicate) - Phallusia nigra
Black Sea Squirt (tunicate) - Phallusia nigra
Black Sea Squirt (tunicate) - Phallusia nigra
Black Sea Squirt (tunicate) - Phallusia nigra
Black Sea Squirt (tunicate) - Phallusia nigra
Black Sea Squirt (tunicate) - Phallusia nigra
Black Sea Squirt (tunicate) - Phallusia nigra
Black Sea Squirt (tunicate) - Phallusia nigra

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