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USS Stein was underway when her anti-submarine sonar gear suddenly stopped working. On returning to port and putting the ship in a drydock, engineers observed many deep scratches in the rubber “NOFOUL” coating of the sonar dome. In some areas, the coating was described as being shredded, with rips up to four feet long. Large claws were left embedded at the bottom of most of the scratches.
He concluded it was a massive squid, owing to the structures of the teeth, but didn’t rule out something that hasn’t yet been found in the ocean. The only snag is that it has widely been reported that a squid with teeth like this would have to be in the region of 45 meters (150 feet) long, making it around half the length of the Statue of Liberty.
The giant squid has a sophisticated nervous system and complex brain, attracting great interest from scientists. It also has the largest eyes of any living creature, except its bigger relative, the colossal squid. These eyes can be up to at least 27 cm (11 in) in diameter, with a 9 cm (3.5 in) pupil. These large eyes can better detect light, which is scarce in deep water. This is important as the squid are attracted to bioluminescent fish in order to feed. Typically, the squid are attracted to the lights of jellyfish; however, this is not to eat the jellyfish itself (as they would not make much of a meal for these huge creatures). Instead, the squid attack and eat the large creatures trying to eat the jellyfish. In some cases, scientists assert that the bioluminescence acts as a distress call from the jellyfish, a last ditch effort to attract an even larger predator (the squid) to eat what is trying to eat it.
The Colossal Squid:
Mesonychoteuthis, or the colossal squid, is even bigger than Architeuthis. This denizen of the deep is one of the largest living organisms on the globe. It is certainly is the largest known invertebrate. Current estimates put its maximum size at 12–14 m (39–46 ft), and it is also the largest squid by mass. It sometimes goes by the name of Antarctic or Giant Cranch squid, but little is known of it besides a few dead specimens (mostly, they are already partially eaten). It differentiates from the giant squid by having a much larger and longer mantle (body) and smaller tentacles.
image credit: New Zealand Ministry of Fisheries, shown here is the world's first intact adult male colossal squid.
Its eyes are slightly bigger (the biggest in the animal kingdom at 12 inches in diameter). Because of its location in the cold waters in Antarctica, and also because of its larger mass, this squid ambushes instead of hunts. This makes sense, as it would take a lot of energy for the squid to roam about looking for food.
One primary (and sinister) difference between these two abyssal behemoths is their weaponry. The colossal squids arms, unlike the giant squid's arms and tentacles (which only have suckers lined with small chitin teeth), are equipped with large, sharp hooks that actually swivel. These beasts also have other hooks that are shaped like three-pointed daggers.
The ocean deep still harbors fear-inspiring monsters. Luckily, human interaction with them is few and far between. As scary they are, they are incredibly fascinating, and make us wonder what else could be lurking in the cold dark depths. Scientists still have a lot to learn about these creatures, and still have many more secrets to unlock on our beautiful planet Earth.
originally posted by: bluesman462002
I Love Calamari just not that Big.
a reply to: ElGoobero