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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 ~2.0 in in diameter
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
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 battery
Feeds on shrimp and any number of other fish Primarily a feeder of
reefsSleek bodyUse speed to dart through schools of fish (up to
28 miles 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