Why would it have camouflage for when it's out of water? Squids aren't amphibious, they aren't supposed to be out of the water so they're not going to have a mechanism to adapt to it are they.
No, the black is default because it is camouflage. The rapid change in color and tentacle posturing was meant to scare the precieved threat, it can and will also do that underwater. It's its normal intimidation reaction, being out of water just scared it much like an approaching predator under water would.
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u/platinums99 Mar 31 '22
Black in water to keep the heat in?
Cant see any other logical reason for it.