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Mobbing is the harassing of a predator by many prey animals. Mobbing is usually done to protect the young in social colonies. For example, red colobus monkeys exhibit mobbing when threatened by chimpanzees, a common predator. The male red colobus monkeys group together and place themselves between predators and the group's females and juveniles.
[8] [9] [10] They have also been observed keeping "gardens", in which they collect various marine plant life and algae, alongside collections of shells and rocks; this behavior may have inspired the 1969 Beatles title, "Octopus' Garden". O. vulgaris was the first invertebrate animal protected by the Animals (Scientific Procedures) Act 1986 in ...
An octopus (pl.: octopuses or octopodes [a]) is a soft-bodied, eight-limbed mollusc of the order Octopoda (/ ɒ k ˈ t ɒ p ə d ə /, ok-TOP-ə-də [3]).The order consists of some 300 species and is grouped within the class Cephalopoda with squids, cuttlefish, and nautiloids.
Free diver and marine biologist Jules Casey is no stranger to animals that dwell on Australia’s ocean floor, and she was delighted to encounter a sand octopus as it was burrowing itself into the ...
The Atlantic pygmy octopus (Octopus joubini), also known as the small-egg Caribbean pygmy octopus, is a small species of octopus in the order Octopoda.Fully grown, this cephalopod reaches a mantle length of 4.5 cm (1.8 inches) with arms up to 9 cm (3.5 inches) long. [2]
Many cephalopods including octopus, cuttlefish, and squid similarly use colour change, in their case both for camouflage and signalling. [24] For example, the big blue octopus, Octopus cyanea, hunts during the day, and can match itself to the colours and textures of its surroundings, both to avoid predators and to enable it to approach prey. It ...
O. briareus is not a social animal, and stays at a safe distance from other octopuses of the same species, except for mating. If faced with a predator, a Caribbean reef octopus, like most other octopuses, sucks up a volume of water then expels it quickly in the form of a jet to propel itself away. To further deter predators, it can eject ink to ...
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