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Marine Reptiles

Marine Reptiles. Crocodiles, Sea Snakes, Marine Iguana and Sea Turtles. Marine Iguana. Found in the Galapagos Islands Feeds on seaweed Black & Red coloration Clawed toes Excretes salt by tears & nasal glands. SALTWATER CROCODILE. Very Aggressive!! Avg. 20 ft. Long, slender snout

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Marine Reptiles

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  1. Marine Reptiles Crocodiles, Sea Snakes, Marine Iguana and Sea Turtles

  2. Marine Iguana • Found in the Galapagos Islands • Feeds on seaweed • Black & Red coloration • Clawed toes • Excretes salt by tears & nasal glands

  3. SALTWATER CROCODILE • Very Aggressive!! Avg. 20 ft. • Long, slender snout • Has 4 chambered heart

  4. Crocodile Facts • Pacific & Indian Oceans • Can live in brackish swamps • Salt glands on tongue excretes salt • 1,000 – 2,200 lbs. • Leaps from water & grabs prey • Will attack sharks

  5. Sea Snakes • All are poisonous, 3 to 4 feet in length • Flat body with paddle-like tail • 1 lung & can exchange gas thru skin • Ovoviviparous & hatch inside female • Indian & Pacific Ocean • Most feed on fish or fish eggs

  6. Banded Sea Snake

  7. SEA TURTLES • 7 SPECIES – ENDANGERED • CAN NOT RETRACT THEIR HEADS • FRONT LIMBS – FLIPPERS • REAR LIMBS – PADDLELIKE – SWIM • DIET – JELLYFISH, SEAWEED, SPONGES • NO TEETH – BEAKLIKE MOUTH

  8. Endangered • Habitat destruction • Pollution • Hunting • Predators • Skin, oil, fat

  9. Reproduction • 100 eggs per nest • Night hatching • Plastic pollution • Lights confuse • Nest destruction • Natural predators

  10. Conservation efforts • Turtle Excluder Devices – nets • Turtle Products banned • Penalties – fines or prison

  11. LeatherbackLargest Sea Turtle

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