Marine Reptiles Crocodiles, Sea Snakes, Marine Iguana and Sea Turtles
Marine Iguana Found in the Galapagos Islands n Feeds on seaweed n Black & Red coloration n Clawed toes n Excretes salt by tears & nasal glands n
SALTWATER CROCODILE Very Aggressive!! Avg. 20 ft. n Long, slender snout n Has 4 chambered heart n
Crocodile Facts Pacific & Indian Oceans n Can live in brackish swamps n Salt glands on tongue excretes salt n 1, 000 – 2, 200 lbs. n Leaps from water & grabs prey n Will attack sharks n
Sea Snakes All are poisonous, 3 to 4 feet in length n Flat body with paddle-like tail n 1 lung & can exchange gas thru skin n Ovoviviparous & hatch inside female n Indian & Pacific Ocean n Most feed on fish or fish eggs n
Banded Sea Snake
SEA TURTLES 7 SPECIES – ENDANGERED n CAN NOT RETRACT THEIR HEADS n FRONT LIMBS – FLIPPERS n REAR LIMBS – PADDLELIKE – SWIM n DIET – JELLYFISH, SEAWEED, SPONGES n NO TEETH – BEAKLIKE MOUTH n
Endangered Habitat destruction n Pollution n Hunting n Predators n Skin, oil, fat n
Reproduction 100 eggs per nest n Night hatching n Plastic pollution n Lights confuse n Nest destruction n Natural predators n
Conservation efforts Turtle Excluder Devices – nets n Turtle Products banned n Penalties – fines or prison n