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