The shape is very aerodynamic
Squids swim from 25 to even 40 miles per hour.
they dont...
round
No, they swim with their fins like fish do
very weirdly and unusual
Funnel-shaped
There are squids in the Arctic
Their predators are squids & sharks & other deep sea animals.
The Ink is so that the predator wont see where they tried to swim away
squid have ink sacs that irritate the predators' eyes so that they can swim away
to grab its food better
to grab its food better