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They claim they themselves shot the squid floating in silence, which made him furious and climbed onto the ship. Two sailors died in the squid arms, and a third disappeared (perhaps drowned). Five people escaped the Pearl. The squid body was said to be at least as thick as the small ship, with arms thick as wood. [21]
Arròs negre owes its dark colour to squid ink. Cephalopod ink has, as its name suggests, been used in the past as ink for pens and quills; the Greek name for cuttlefish, and the taxonomic name of a cuttlefish genus, Sepia, is associated with the brown colour of cuttlefish ink (for more information, see sepia). Squid ink pasta with truffles and ...
Squids do not have the longitudinal muscles that octopus do. Instead, they have a tunic. [81] This tunic is made of layers of collagen and it surrounds the top and the bottom of the mantle. Because they are made of collagen and not muscle, the tunics are rigid bodies that are much stronger than the muscle counterparts.
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If injured squid are targeted by a bass, they began their defensive behaviours sooner (indicated by greater alert distances and longer flight initiation distances) than uninjured squid. If anaesthetic (1% ethanol and MgCl 2 ) is administered prior to the injury, this prevents the nociceptive hypersensitisation and blocks the effect.
It is believed that squids are slightly less intelligent than octopuses and cuttlefish; however, various species of squid are much more social and display greater social communications, etc., leading to some researchers concluding that squids are on par with dogs in terms of intelligence. [27]
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. The males jump together and actively bite the chimpanzees. [52]