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The word nudibranch comes from the Latin nudus 'naked' and the Ancient Greek βράγχια (bránkhia) ' gills '. Nudibranchs are often casually called sea slugs, as they are a family of opisthobranchs (sea slugs), within the phylum Mollusca (molluscs), but many sea slugs belong to several taxonomic groups that are not closely related to ...
The neon orange appendages on the back of Flabellinopsis iodinea are the cerata which extract oxygen from the sea water they are surrounded by and live in. The cerata are also extensions of the digestive system, and are used to store the stinging cells of the anemones and fan-like hydroids they eat. The red rhinophores are sensory structures ...
Myrrhinidae. Genus: Hermissenda. Species: H. crassicornis. Binomial name. Hermissenda crassicornis. Eschscholtz, 1831. Hermissenda crassicornis, also known as the opalescent nudibranch or thick-horned nudibranch, is a species of brightly coloured, sea slug or nudibranch, a marine gastropod mollusc in the family Facelinidae.
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.
D. albolineata. Binomial name. Dirona albolineata. MacFarland in Cockerell & Eliot, 1905. The alabaster nudibranch, white-lined Dirona, or frosted sea slug (Dirona albolineata) is an Eastern Pacific Ocean opisthobranch gastropod mollusk in the family Dironidae. [1]
Ceratosoma amoenum, or the clown nudibranch, is a species of colorful dorid nudibranch, a sea slug, a shell-less marine gastropod mollusk in the family Chromodorididae. Following the gender rules of International Code of Zoological Nomenclature , the spelling of Ceratosoma amoena has been changed into Ceratosoma amoenum .
Triopha catalinae. (Cooper, 1863) Triopha catalinae, commonly known as the sea clown triopha or sea clown, is a species of colorful sea slug called a nudibranch. Sea clowns are a shell-less marine, gastronomic mollusk in the taxonomic family Polyceridae . The species' Latin name is named after Santa Catalina Island, California .
Melibe. Melibe is a genus of sea slugs, nudibranchs, marine gastropod mollusks in the family Tethydidae. [2] Most nudibranchs are carnivores, but their prey is usually sessile or slow-moving animals such as sponges or bryozoans. In contrast, Melibe is an active predator which traps fast-moving free-swimming animals such as small crustaceans ...