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Creature Feature

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)

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Creature Feature

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  1. Creature Feature

  2. Giant Squid (Architeuthis dux)

  3. 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) • Maintain neutral buoyancy in seawater through an ammonium chloride solution which flows throughout their body and is lighter than seawater

  4. Worldwide giant squid distribution based on recovered specimens.

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

  6. Feed on deep-sea fish and other squid species • Catch prey using the two tentacles, gripping it with serrated sucker rings on the ends • Only known predators are sperm whales

  7. Oooh Barracuda!

  8. Genus Sphyraena • 27 known species • Ray-finned fish • Can weigh up to 100 lbs. • Grow up to 6 ft. in length and 1 foot wide • Inhabits tropical and subtropical waters of the Atlantic, Indian, and Pacific Oceans • Primarily clear water around coral reefs

  9. Collective name for a group of barracudas is a battery • Feeds on shrimp and any number of other fish • Primarily a feeder of reefs • Sleek body • Use speed to dart through schools of fish (up to 28 miles per hour) • Injure fish with razor sharp teeth

  10. Particularly prefer algae-eating fish • Some of these have a build up of toxins • Ciguatera poisoning in humans

  11. Very aggressive • However, rarely attack humans • Attracted to shiny things • If they do attack, usually one quick lunge • Brutal, but not usually fatal

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