NO, squids will always be there. I reckon there might be a way with the console and the script though. I do not know of anything. Try Notch's blog for more help.
Just kill them for experience and ink, for use in crafting. Use a sword for best results.
Squids can't hurt you in Minecraft.
Minecraft PE 0.8.0 does not have squids in it.
no
Nothing
Squids.
Sky Does Minecraft
In the center between the tentacles
Nothing
yes, except for squids and wolves.
No, you cannot breed squids. You can breed cows, pigs, chickens, mooshrooms, rabbits, horses, ocelots, and wolves.
Squids will always be passive, they are not tamable.
You can find ink sacs by killing squids in Minecraft. They can also be found as junk items in fishing.