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Creature Feature. Giant Squid (Architeuthis dux). Phylum Mollusca Class Cephalopoda Possibly 8 species 33-43 feet in length Weigh 330-610 lbs. Inhabit temperate waters to depths of 1300-2000 feet (400-600m) - PowerPoint PPT Presentation

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  • Giant Squid (Architeuthis dux)

  • Phylum MolluscaClass Cephalopoda Possibly 8 species33-43 feet in lengthWeigh 330-610 lbs.Inhabit temperate waters to depths of 1300-2000 feet (400-600m)Maintain neutral buoyancy in seawater through an ammonium chloride solution which flows throughout their body and is lighter than seawater

  • Worldwide giant squid distribution based on recovered specimens.

  • Arms and tentacles are lined with hundreds of sub-spherical suction cups ~2.0in in diameter

  • Feed on deep-sea fish and other squid speciesCatch prey using the two tentacles, gripping it with serrated sucker rings on the endsOnly known predators are sperm whales

  • Genus Sphyraena27 known speciesRay-finned fishCan weigh up to 100 lbs.Grow up to 6 ft. in length and 1 foot wideInhabits tropical and subtropical waters of the Atlantic, Indian, and Pacific OceansPrimarily clear water around coral reefs

  • Collective name for a group of barracudas is a batteryFeeds on shrimp and any number of other fish Primarily a feeder of reefsSleek bodyUse speed to dart through schools of fish (up to 28miles per hour)Injure fish with razor sharp teeth

  • Particularly prefer algae-eating fishSome of these have a build up of toxinsCiguatera poisoning in humans

  • Very aggressiveHowever, rarely attack humansAttracted to shiny thingsIf they do attack, usually one quick lungeBrutal, but not usually fatal

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