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  2. Siphon (mollusc) - Wikipedia

    en.wikipedia.org/wiki/Siphon_(mollusc)

    For these freshwater snails, the siphon is an anti-predator adaptation. It reduces their vulnerability to being attacked and eaten by birds because it enables the apple snails to breathe without having to come all the way up to the surface, where they are easily visible to predators. [6]

  3. Sacoglossa - Wikipedia

    en.wikipedia.org/wiki/Sacoglossa

    In another group of 64 without parasites, none self-decapitated, leading the researchers to hypothesize that animals cast off their bodies as a means to get rid of parasites. Another possibility is that the slugs autotomized to escape predators, but when the researchers tried to mimic an enemy's attack by pinching and cutting the creatures ...

  4. Nudibranch - Wikipedia

    en.wikipedia.org/wiki/Nudibranch

    The surface-dwelling nudibranch, Glaucus atlanticus, is a specialist predator of siphonophores, such as the Portuguese man o' war. This predatory mollusc sucks air into its stomach to keep it afloat, and using its muscular foot, it clings to the surface film.

  5. Cornu aspersum - Wikipedia

    en.wikipedia.org/wiki/Cornu_aspersum

    [7] [8] Then the name would be Cornu aspersum. [9] [10] [11] Previously there was debate whether Cornu was a valid generic name (because it was first applied to teratological specimens), but a 2015 ruling has confirmed that it is so. [12] Until this was established, Italian research teams and others used the generic name Cantareus instead.

  6. Freshwater bivalve - Wikipedia

    en.wikipedia.org/wiki/Freshwater_bivalve

    In contrast, one of the largest species of freshwater bivalves is the swan mussel from the family Unionidae; it can grow to a length of 20 cm (7.9 in), and usually lives in lakes or slow-flowing rivers. Freshwater pearl mussels are economically important as a source of pearls and mother of pearl. While some species are short-lived, others can ...

  7. ‘Mystery mollusk’ found in the ocean’s midnight zone is ...

    www.aol.com/glowing-mystery-mollusk-spotted...

    The mystery mollusks are hermaphrodites, which include both male and female reproductive organs. When it is time to release eggs, they descend and use their foot to temporarily attach to the seafloor.

  8. Anti-predator adaptation - Wikipedia

    en.wikipedia.org/wiki/Anti-predator_adaptation

    Anti-predator adaptation in action: the kitefin shark (a–c) and the Atlantic wreckfish (d–f) attempt to prey on hagfishes. First, the predators approach their potential prey. Predators bite or try to swallow the hagfishes, but the hagfishes have already projected jets of slime (arrows) into the predators' mouths.

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