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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]
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.
They emit light during night time to camouflage themselves against the moon and star light coming down the ocean. It helps them to avoid predators. The symbiosis process begins when Peptidoglycan shed by the sea water bacteria comes in contact to the ciliated epithelial cells of the light organ. It induces mucus production in the cells.
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.
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.
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.
To do so, they gathered up the debris underneath their bodies using their arms. They then used their siphon, a tube-like part of their body, to expel water aimed at the debris.
Queen conch are mollusks that live in spiral sandy-colored shells with a bright pink or orange interior. They can be found throughout the Caribbean and the Gulf of Mexico. They can be found ...