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Explore the diverse world of marine reptiles including crocodiles, sea snakes, marine iguanas, and sea turtles. Learn fascinating facts, conservation efforts, and threats faced by these majestic creatures in our oceans.
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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 • Has 4 chambered heart
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
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
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
Endangered • Habitat destruction • Pollution • Hunting • Predators • Skin, oil, fat
Reproduction • 100 eggs per nest • Night hatching • Plastic pollution • Lights confuse • Nest destruction • Natural predators
Conservation efforts • Turtle Excluder Devices – nets • Turtle Products banned • Penalties – fines or prison
