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Sea slug is a common name for some marine invertebrates with varying levels of resemblance to terrestrial slugs. Most creatures known as sea slugs are gastropods , i.e. they are sea snails (marine gastropod mollusks ) that, over evolutionary time, have either entirely lost their shells or have seemingly lost their shells due to having a ...
The sea slugs can move toward prey or mates by using their cerata, the thin feather-like "fingers" on its body, to make slow swimming movements. [ 10 ] [ 22 ] They are known to prey on the dangerously venomous Portuguese man o' war ( Physalia physalis ), the by-the-wind-sailor ( Velella velella ), the blue button ( Porpita porpita ), and the ...
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]
The rare blue dragon sea slug, which is now washing up on Texas coasts, has a severely painful sting. ... the 1-inch blue dragon feeds on venomous prey including the Portuguese man-o'war and other ...
Don't let the beautiful color of the glaucus atlanticus, also known as the "blue dragon," fool you -- its sting is to be feared.
Costasiella kuroshimae is a species of sacoglossan sea slug. Costasiella kuroshimae are shell-less marine opisthobranch gastropod mollusks in the family Costasiellidae . [ 1 ] Despite being animals, they indirectly perform photosynthesis , via kleptoplasty .
A cnidosac is an anatomical feature that is found in the group of sea slugs known as aeolid nudibranchs, a clade of marine opisthobranch gastropod molluscs. [1] A cnidosac contains cnidocytes, stinging cells that are also known as cnidoblasts or nematocysts. These stinging cells are not made by the nudibranch, but by the species that it feeds upon.
An unusual sea slug with a large hood, a tail with fingerlike projections and glowing bioluminescence has been found living off the West Coast of the US.