Can a giant squid really destroy ships?
Very unlikely even though its a giant squid it will not go near big boat because the giant squid likes to feed on the lower levels of the ocean that is why it has taken us so long to find its existence now if you are on a little raft yo may be in trouble if one has come up looking for food.
How do gills extract oxygen from H2o?
Whale shark gills are similar in structure to other fish gills. Oxygenated water is passed over the gills which have a rich, near surface blood supply and gases are exchanged between the blood and the water. The gills are feathery and have a large surface area so that there is enough gas exchange to keep the fish supplied with the oxygen it needs.
What is a squids population in Antarctica?
The Southern Ocean which surrounds the continent of Antarctica is home to Mesonychoteuthis hamiltoni, the largest squid on earth. Because this animal is rare, its population numbers and population trends are unknown according to the International Union for Conservation of Nature and Natural Resources.