There are Colossal squid, known by the scientific name Mesonychoteuthis hamiltoni,
are estimated to grow up to 46 feet long and have long been one of the most mysterious
creatures of the deep ocean.These squid are found in Antarctic waters and are not related
to giant squid found round the coast of New Zealand. Giant squid grow up to 39 feet long,
but are not as heavy as colossal squid.