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Lamniformes1
The Elasmobranchs
Order Lamniformes Order Orectolobiformes Order
Carcharhiniformes Order Squaliformes Order Rajiformes Order Pristiformes Order Torpediniformes Order Myliobatiformes
Spiny Dogfish
Skate
Lamniformes2
Order Lamniformes
Mackerel Sharks• Sandtiger shark• Basking, Megamouth• Mako, Great White• Thresher Sharks
Lamniformes3
Sand Tigers
Odoutaspis taurusSpotted RaggedtoothGrey Nurse Shark
Lamniformes4
Sand Tigers
Cannibal viviparous• 2 young• 9-12 month gestation
Neutral Buoyancy• Gulps air & fills
stomach
Complex behavior
Vulnerable
Lamniformes5
Basking Shark Elongate gill rakers
for straining food May reach 14 m (49
ft)
Cetorhinus maximus
Lamniformes7
Megamouth
Megachasma pelagios Discovered in 1976 Inhabits deepwater Large mouth filter
feeds• Mouth is lined with
photophores to attract prey
Lamniformes8
Mako
Possibly the fastest shark in the world
Lamniformes9
Great White Shark
Efficient predator• “warm-blooded”
Highly migratory• Annually b/t Mexico
& HawaiiDark blotch
Lamniformes10
Lamniformes11
Thresher Shark
Lamniformes12
Order Orectolobiformes
Nurse Shark Possess long
tactile and chemosensory barbels
Shallow water, benthic dweller
Suction, crushing feeder
Lamniformes13
Whale Shark
Largest fish• 19 m (60 ft)
Plankton feeder
300 pups!
Lamniformes14
Lamniformes15
Order Carcharhiniformes
Ground Sharks Requiem Sharks
• Bull, Whitetip, Reef, Tiger, and Blue
Hammerhead
Lamniformes16
Hammerhead Shark
Head Function• Increase
peripheral vision• Increase surface
area for ampullae• Cephalofoil = lift
Scalloped Hammerhead