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Glaucus atlanticus is the blue sea slug shown here out of water on a beach, and thus collapsed; however, touching the animal directly with your skin can result in a painful sting, with symptoms similar to those caused by the Portuguese man o' war The slug in the water
Glaucus is a genus of small blue pelagic sea slugs.They are aeolid nudibranchs, [1] ranging in size from 20 to 40 mm (0.79 to 1.57 in). [2] They feed on colonial cnidarians such as Portuguese man o' wars, blue buttons, and purple sails.
Glaucus marginatus is a species of small, floating, blue sea slug; a pelagic (open-ocean) aeolid nudibranch; a marine opisthobranch gastropod mollusc in the family Glaucidae. [ 1 ] [ 2 ] This species is closely related to Glaucus atlanticus , and is part of a species complex (Informal clade Marginatus) along with Glaucus bennettae , Glaucus ...
Spring breakers flocking to TX beaches this month could stumble upon a sight many have never seen — a bright blue and silver sea slug known as the blue dragon.
A venomous sea creature probably isn't high on your must-see list when on a beach vacation. But that's exactly what happened to one San Antonio resident as she explored the Gulf Coast.
Predators might overlook the sea slug's transparent body or be startled by its bioluminescence. "It kind of acts as a burglar alarm," Robison said. MBARI has been using ROVs since the late 1980s ...
This is because it is a passive drifter, which means that it relies on water currents and wind to carry it through the ocean. It is preyed on by the sea slug Glaucus atlanticus (sea swallow or blue dragon), violet sea-snails of the genus Janthina, [12] and the other blue dragon, Glaucus marginatus. [13]
The exact systematics of nudibranchs are a topic of recent revision. Traditionally, nudibranchs have been treated as the order Nudibranchia, located in the gastropod mollusc subclass Opisthobranchia (the marine slugs: which consisted of nudibranchs, sidegill slugs, bubble snails, algae sap-sucking sea slugs, and sea hares). [44]