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It confuses their predators and sometimes blinds them.
by spewing out a dark blackish or brownish ink to make it tough fro their predators to see them swim away.
The Lantern fish is an alternative food resource to krill for predators like the squid or king penguin. The lantern fish itself, eats mainly zooplankton.
A squid
the only predators it has is the human species
It confuses their predators and sometimes blinds them.
Captain Birdseye
Giant Squid's
Like the octopus, the squid use ink and a camouflage to blind the enemy predator and blend into its surroundings. Some squids (like the Humboldt squid) use hook on their sucker cups to defend it's self.
The foot of the squid is it's tentacles, it enables the squid to move very very very very very very very fast. The foot is also the mantle of the squid (the mantle is a thick layer of tissues {muscle} all mollusks use to protect their guts). In this case the squid uses it's mantle to run away from predators (swim away).
A squid squirts out a black cloud of dust to get a chance to get away from predators!
the squid`s predator is a giant whale and any other carnivorious squids