1. Marine Reptiles

2. Diversity
66 species total
Used to rule the sea

3. Marine Iguanas
One species, Galapagos
Eat marine algae
Adaptations

4. Saltwater Crocodiles Coastal species Largest living reptiles
From SE Asia to Australia

5. Saltwater Crocodiles
According to Guinness, the largest found was a 23 ft. long, 4,400 lb. male from India

6. Sea Snakes 55 species, Indo-Pacific 1 pelagic, rest coastal
Adaptations

7. Yellow-bellied Sea Snake
The only pelagic species (can live its whole life at sea)
Ovovivaporous
Can absorb about 1/3 of its oxygen through its skin
Have a salt-filtering gland in its lower jaw
Like most sea snakes, have highly potent venom that attacks muscles and kidneys

8. Sea Turtles
8 Species, worldwide
Fully aquatic
Very Different

9. Sea Turtle Adaptations
Salt/Water Balance- skin and glands
Deep Diving- lungs, trachea, blood
Thermoregulation- SA/Vol ratio, shunting
Leatherback Website

19. Diet Leatherback- mainly jellyfish Hawksbill- mainly sponges
Green- mainly sea grass
Black- sea grass and sea weed
Loggerhead- hard shelled inverts
Flatback- soft bodied inverts
Kemp’s- fish and an array of inverts
Olive- fish and an array of inverts