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A molluscivore is a carnivorous animal that specialises in feeding on molluscs such as gastropods, bivalves, brachiopods and cephalopods.Known molluscivores include numerous predatory (and often cannibalistic) molluscs, (e.g.octopuses, murexes, decollate snails and oyster drills), arthropods such as crabs and firefly larvae, and, vertebrates such as fish, birds and mammals. [1]
Seashells have been used for personal adornment, such as the strings of cowries in the traditional dress of the Kikuyu people of Kenya, [2] and the formal dress of the Pearly Kings and Queens of London. [3] Most molluscs with shells can produce pearls, but only the pearls of bivalves and some gastropods, whose shells are lined with nacre, are ...
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.
Species that are better able to avoid predators also tend to migrate before those with poorer swimming capabilities. Squid are a primary prey for Risso's dolphins (Grampus griseus), an air-breathing predator, but one that relies on acoustic rather than visual information to hunt. Squid delay their migration pattern by about 40 minutes when ...
[16] The eyes in nudibranchs are simple and able to discern little more than light and dark. [17] The eyes are set into the body, are about a quarter of a millimeter in diameter, and consist of a lens and five photoreceptors. [18] Nudibranchs vary in adult size from 4 to 600 mm (0.16 to 23.62 in). [19]
The male humpback whale that traveled the longest documented distance to date is observed in Zanzibar Channel, off the village of Fumba on the Tanzanian island of Unguja, on August 22, 2022.
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Arion ater varies from 10–15 cm (3.9–5.9 in), reaching maturity at about 2.5 cm (0.98 in) and moves at a speed of up to 4.5 cm/min (1.8 in/min) [5] The black slug is generally deep black, with some adults being brown or even white. Generally, pigmentation darkens directly with increasing latitude.