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Marine Reptiles. Classification Class Reptilia  Order Chelonia  Sea turtles  Order Squamata  Sea snakes, marine iguana  Order Crocodilia  Saltwater.

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Presentation on theme: "Marine Reptiles. Classification Class Reptilia  Order Chelonia  Sea turtles  Order Squamata  Sea snakes, marine iguana  Order Crocodilia  Saltwater."— Presentation transcript:

1 Marine Reptiles

2 Classification Class Reptilia  Order Chelonia  Sea turtles  Order Squamata  Sea snakes, marine iguana  Order Crocodilia  Saltwater crocodile

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4 Sea Turtle Characteristics  Cold-blooded  Strong biting jaws  Carapace fused with the backbone  Cannot retract heads into the shell  Salt gland  Return to land to reproduce

5 4 Hawaii Species  Loggerhead  Leatherback  Hawksbill  Green Sea Turtle

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7 Loggerhead  Large  Wide head  Stout neck  Rarely seen in Hawaii

8 Leatherback  Largest, 6 ft., lbs  Black with white spots  Only species that lacks a hard shell  Leathery ridged carapace  Rarely seen on shore  Feeds on jellyfish

9 Hawksbill  Long pointy beak  Less than 3 feet long  Used by Hawaiians for tools, jewelry, hooks  Feeds on sponges

10 Green Sea Turtle  Green body fat  Herbivores (adult), carnivores (juv)  Up to 500 lbs  years to reach sexual maturity  Males (long thick tails), females (short stubby)

11 Life Cycle and Migration  Migrate to French Frigate Shoals (males annually, female 1-2 years)  Mating in waters off shore  (1 month) Female comes to shore for egg laying – 100 eggs in “clutch”  Leave nest  (2 months) eggs start to hatch  Head to sea

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15 Human Impact  Fishing lines  Unattended fishing nets  Debris/pollution, oil spills  Boat collisions  Illegal poaching  Artificial Lighting  Education  Enforcements of ESA  Protected areas (NWHI)  Research, tagging  (TED) Turtle Exclusion Devices

16 Legislation that Protects Turtles  Protected under Federal and State Law  Stay 20 feet away!  Endangered Species Act  Riding a sea turtle is illegal  Fines up to $100,000 and/or prison  International trade of sea turtle parts is illegal  Bringing protects into USA - $20,000 fine

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