View Full Document

Sea Turtle Identification Key



View the full content.
View Full Document
View Full Document

27 views

Unformatted text preview:

SEATURTLE ORG Sea Turtle Identification Key Restricted primarily to the eastern Pacific Ocean Dark pigmentation One pair prefrontal scales Green Chelonia mydas Found in tropical coastal waters of Australia Black Two pairs prefrontal scales overlapping scutes Flatback Natator Depressus Hawksbill Eretmochelys imbricata 5 or 6 costal scutes Carapace not circular Restricted primarily to the Gulf of Mexico and Atlantic coast of the USA Kemp s Ridley Lepidochelys kempii Found in tropical waters of the Pacific Indian and South Atlantic Oceans 5 costal scutes Nearly circular Loggerhead Caretta caretta usu 6 or more costal scutes Carapace wide and almost circular 4 costal lateral scutes First costal scute does not touch nuchael 5 or more costal lateral scutes First costal scute touches nuchal Hard carapace shell with large scutes shell plates Leathery no scutes 5 long ridges Leatherback Dermochelys coriacea Olive Ridley Lepidochelys olivacea Sea turtle figures used by permission of the Marine Turtle Specialist Group iucn mtsg org Source Pritchard P C H and Mortimer J A 1999 Taxonomy External Morphology and Species Identification pp 21 38 In Eckert K L K A Bjorndal F A Abreu Grobois and M Donnelly Editors 1999 Research and Management Techniques for the Conservation of Sea Turtles IUCN SSC Marine Turtle Specialist Group Publication No 4 for further details see http www iucn mtsg org publications htm Illustrations by Tom McFarland Species Descriptions Common Name Leatherback Spanish Name Baula Tortuga La d Tora Green Turtle Tortuga Verde Tortuga Blanca Black Turtle Tortuga Negra Prieta Color dark gray black with white spots Carapace Max Length 165 180 cm Plastron Max Weight 400 500 kg Head Range all oceans subarctic to tropical pelagic Scientific Name Dermochelys coriacea tapered leathery with 5 ridges relatively small tooth like notch on either side of upper jaw no scales Chelonia mydas Color J radiating streaks A brown buff Carapace 4 costal scutes Max Length 120 cm Plastron



Access the best Study Guides, Lecture Notes and Practice Exams

Loading Unlocking...
Login

Join to view Sea Turtle Identification Key and access 3M+ class-specific study document.

or
We will never post anything without your permission.
Don't have an account?
Sign Up

Join to view Sea Turtle Identification Key and access 3M+ class-specific study document.

or

By creating an account you agree to our Privacy Policy and Terms Of Use

Already a member?