Marine Reptiles.

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Marine Reptiles Class Reptilia

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Presentation transcript:

Marine Reptiles

Diversity 66 species total Used to rule the sea

Marine Iguanas One species, Galapagos Eat marine algae Adaptations

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

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

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

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

Sea Turtles 8 Species, worldwide Fully aquatic Very Different

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

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