giant squid have occasionaly been found in their stomachs, suggesting that they may well be cannibalistic. Step 3: Habitat Living between 300 and 1000 metres down the water in the darkness, the squid needs to ensure it stays at the right level. It does this by having ammonia in it's tissue which is lighter than water, giving it the buoyancy it needs. They move through the water with slow waves of movement through the fins, and when they want to move quickly they can push water through their funnel to jet propel them away from danger or towards food. Step 4: Mating The giant squid is thought to have quite a short life of about 3 years, breeding once in that time and then dying. To breed the male must find a suitable mate which he then approaches. His 1 metre penis comes out of his body and starts to stab at the females tentacles leaving behind string like tubes of sperm which burrow into the females arms, remaining there until the female is ready to produce her eggs. The males must be brave to do this as the females are usually a third bigger, and may well rip off some of the males arms with her sharp beak. Step 5: Fighting Squid are known to fight with sperm whales, but this is probably only ever in self defense. Their is one story of a giant squid attacking a young right whale, who certainly wouldn't have been feeding on the