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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. Peltodoris atromaculata - Wikipedia

    en.wikipedia.org/wiki/Peltodoris_atromaculata

    Peltodoris atromaculata, more commonly known as the dotted sea slug or sea cow, is a species of sea slug, a dorid nudibranch, a marine gastropod mollusk in the family Discodorididae. [1] It dwells in salt water up to the depth of 40m.

  4. Enypniastes - Wikipedia

    en.wikipedia.org/wiki/Enypniastes

    Species in this genus have developed webbed swimming fin like structures at the front and back of their bodies which enable them to swim up off the surface of the sea floor and to journey as much as 1,000 m (3,300 ft) up into the water column. This is thought to help the animals move to new feeding grounds and avoid predators. [6]

  5. Cockle (bivalve) - Wikipedia

    en.wikipedia.org/wiki/Cockle_(bivalve)

    A cockle is an edible marine bivalve mollusc.Although many small edible bivalves are loosely called cockles, true cockles are species in the family Cardiidae. [2]True cockles live in sandy, sheltered beaches throughout the world.

  6. 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.

  7. Marine larval ecology - Wikipedia

    en.wikipedia.org/wiki/Marine_larval_ecology

    A more common avoidance strategy is to become active at night and remain hidden during the day to avoid visual predators. Most larvae and plankton undertake diel vertical migrations between deeper waters with less light and fewer predators during the day and shallow waters in the photic zone at night, where microalgae is abundant. [11]

  8. Mussel - Wikipedia

    en.wikipedia.org/wiki/Mussel

    Mussel (/ ˈ m ʌ s ə l /) is the common name used for members of several families of bivalve molluscs, from saltwater and freshwater habitats. These groups have in common a shell whose outline is elongated and asymmetrical compared with other edible clams, which are often more or less rounded or oval.

  9. Caribbean reef squid - Wikipedia

    en.wikipedia.org/wiki/Caribbean_reef_squid

    The Caribbean reef squid (Sepioteuthis sepioidea), commonly called the reef squid, is a species of small, torpedo-shaped squid with undulating fins that extend nearly the entire length of the body, approximately 20 cm (8 in) in length.