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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. Black slug - Wikipedia

    en.wikipedia.org/wiki/Black_slug

    Without such shells, slugs produce mucus, that may also contain toxins—to deter predators. Terrestrial slugs produce two other forms of mucus that facilitate locomotion and prevent death from drying. Such mollusks are hermaphroditic. Slugs most often function as decomposers but are also often omnivores.

  4. Octopus - Wikipedia

    en.wikipedia.org/wiki/Octopus

    Video of Octopus cyanea moving and changing its colour, shape, and texture Octopuses use camouflage when hunting and to avoid predators. To do this, they use specialised skin cells that change the appearance of the skin by adjusting its colour, opacity, or reflectivity.

  5. Mollusca - Wikipedia

    en.wikipedia.org/wiki/Mollusca

    Mollusca is a phylum of protostomic invertebrate animals, whose members are known as molluscs or mollusks [a] (/ ˈ m ɒ l ə s k s /). Around 76,000 extant species of molluscs are recognized, making it the second-largest animal phylum after Arthropoda . [ 5 ]

  6. 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.

  7. Find Out Why These Octopuses Throw Things at Each Other - AOL

    www.aol.com/why-octopuses-throw-things-other...

    The octopuses seen in the videos threw silt, shells, and algae at other nearby octopuses. To do so, they gathered up the debris underneath their bodies using their arms. They then used their ...

  8. Nautilus (genus) - Wikipedia

    en.wikipedia.org/wiki/Nautilus_(genus)

    Nautilus have been observed to spend days in deeper areas around coral reefs, to avoid predation from turtles and carnivorous fish, and ascend to shallow areas of the reef during nights. [18] [11] Here, they engage in scavenging activity, seeking out animal remains, and the moults of crustaceans. Nautilus species usually travel and feed alone.

  9. Video shows California ground squirrel engage in 'shocking ...

    www.aol.com/news/video-shows-california-ground...

    Researchers have discovered that California ground squirrels engage in "carnivorous behaviors" when there is a temporary increase in prey.