ANATOMY OF SEA TURTLES...Sea Turtle Species of the World Photo: Matthew Godfrey Green Turtle...

35
ANATOMY OF SEA ANATOMY OF SEA TURTLES TURTLES Jeanette Wyneken, PhD Jeanette Wyneken, PhD Florida Atlantic University Florida Atlantic University

Transcript of ANATOMY OF SEA TURTLES...Sea Turtle Species of the World Photo: Matthew Godfrey Green Turtle...

Page 1: ANATOMY OF SEA TURTLES...Sea Turtle Species of the World Photo: Matthew Godfrey Green Turtle Loggerhead Turtle Hawksbill Turtle Flatback Turtle Leatherback Turtle Oral Cavity (Buccal

ANATOMY OF SEA ANATOMY OF SEA TURTLESTURTLES

Jeanette Wyneken, PhDJeanette Wyneken, PhDFlorida Atlantic UniversityFlorida Atlantic University

Page 2: ANATOMY OF SEA TURTLES...Sea Turtle Species of the World Photo: Matthew Godfrey Green Turtle Loggerhead Turtle Hawksbill Turtle Flatback Turtle Leatherback Turtle Oral Cavity (Buccal

External Parts, Key CharacteristicsExternal Parts, Key Characteristics

Page 3: ANATOMY OF SEA TURTLES...Sea Turtle Species of the World Photo: Matthew Godfrey Green Turtle Loggerhead Turtle Hawksbill Turtle Flatback Turtle Leatherback Turtle Oral Cavity (Buccal

Key CharacteristicsKey Characteristics

Page 4: ANATOMY OF SEA TURTLES...Sea Turtle Species of the World Photo: Matthew Godfrey Green Turtle Loggerhead Turtle Hawksbill Turtle Flatback Turtle Leatherback Turtle Oral Cavity (Buccal

Species Species IdentificationIdentification

PreocularScale

Natator depressus

From D.R. Mader 2005 Reptile Medicine and Surgery, 2nd Ed.

Page 5: ANATOMY OF SEA TURTLES...Sea Turtle Species of the World Photo: Matthew Godfrey Green Turtle Loggerhead Turtle Hawksbill Turtle Flatback Turtle Leatherback Turtle Oral Cavity (Buccal

Sea Turtle Species of the WorldSea Turtle Species of the World

Photo: Matthew Godfrey

Green Turtle

Loggerhead Turtle

Hawksbill Turtle

Flatback Turtle

Leatherback Turtle

Page 6: ANATOMY OF SEA TURTLES...Sea Turtle Species of the World Photo: Matthew Godfrey Green Turtle Loggerhead Turtle Hawksbill Turtle Flatback Turtle Leatherback Turtle Oral Cavity (Buccal

Sea Turtle Species of the WorldSea Turtle Species of the World

Photo: Matthew Godfrey

Green Turtle

Loggerhead Turtle

Hawksbill Turtle

Flatback Turtle

Leatherback Turtle

Page 7: ANATOMY OF SEA TURTLES...Sea Turtle Species of the World Photo: Matthew Godfrey Green Turtle Loggerhead Turtle Hawksbill Turtle Flatback Turtle Leatherback Turtle Oral Cavity (Buccal

Characteristics – ridley

Page 8: ANATOMY OF SEA TURTLES...Sea Turtle Species of the World Photo: Matthew Godfrey Green Turtle Loggerhead Turtle Hawksbill Turtle Flatback Turtle Leatherback Turtle Oral Cavity (Buccal

Characteristics – ridley

Identified by having more than 5 costal scutes

Page 9: ANATOMY OF SEA TURTLES...Sea Turtle Species of the World Photo: Matthew Godfrey Green Turtle Loggerhead Turtle Hawksbill Turtle Flatback Turtle Leatherback Turtle Oral Cavity (Buccal

Characteristics – ridleyDistinct Infra-marginal pores which lead to Rathke’sSimilar glands in freshwater turtles produces scent

Page 10: ANATOMY OF SEA TURTLES...Sea Turtle Species of the World Photo: Matthew Godfrey Green Turtle Loggerhead Turtle Hawksbill Turtle Flatback Turtle Leatherback Turtle Oral Cavity (Buccal

The Shell & SkeletonThe Shell & Skeleton

Page 11: ANATOMY OF SEA TURTLES...Sea Turtle Species of the World Photo: Matthew Godfrey Green Turtle Loggerhead Turtle Hawksbill Turtle Flatback Turtle Leatherback Turtle Oral Cavity (Buccal

The Shell & SkeletonThe Shell & Skeleton

Page 12: ANATOMY OF SEA TURTLES...Sea Turtle Species of the World Photo: Matthew Godfrey Green Turtle Loggerhead Turtle Hawksbill Turtle Flatback Turtle Leatherback Turtle Oral Cavity (Buccal

How to take at turtle apart

Page 13: ANATOMY OF SEA TURTLES...Sea Turtle Species of the World Photo: Matthew Godfrey Green Turtle Loggerhead Turtle Hawksbill Turtle Flatback Turtle Leatherback Turtle Oral Cavity (Buccal

Who, What, Where, WhenWho, What, Where, When

Page 14: ANATOMY OF SEA TURTLES...Sea Turtle Species of the World Photo: Matthew Godfrey Green Turtle Loggerhead Turtle Hawksbill Turtle Flatback Turtle Leatherback Turtle Oral Cavity (Buccal

Inside the Inside the Inside the Inside the Carapace PlastronCarapace Plastron

Page 15: ANATOMY OF SEA TURTLES...Sea Turtle Species of the World Photo: Matthew Godfrey Green Turtle Loggerhead Turtle Hawksbill Turtle Flatback Turtle Leatherback Turtle Oral Cavity (Buccal

Heart / Heart / Ext.JugularExt.Jugular

Page 16: ANATOMY OF SEA TURTLES...Sea Turtle Species of the World Photo: Matthew Godfrey Green Turtle Loggerhead Turtle Hawksbill Turtle Flatback Turtle Leatherback Turtle Oral Cavity (Buccal

InsideInside andand InternalInternal LandmarksLandmarks

Page 17: ANATOMY OF SEA TURTLES...Sea Turtle Species of the World Photo: Matthew Godfrey Green Turtle Loggerhead Turtle Hawksbill Turtle Flatback Turtle Leatherback Turtle Oral Cavity (Buccal

InsideInside andand InternalInternal LandmarksLandmarks

Page 18: ANATOMY OF SEA TURTLES...Sea Turtle Species of the World Photo: Matthew Godfrey Green Turtle Loggerhead Turtle Hawksbill Turtle Flatback Turtle Leatherback Turtle Oral Cavity (Buccal

Basic Gastrointestinal AnatomyBasic Gastrointestinal Anatomy

Oral Cavity

Large SmallIntestine Intestine

Cloaca

Alimentary Canal: esophagus, stomach, intestines & cloacaAlimentary Canal: esophagus, stomach, intestines & cloaca

Page 19: ANATOMY OF SEA TURTLES...Sea Turtle Species of the World Photo: Matthew Godfrey Green Turtle Loggerhead Turtle Hawksbill Turtle Flatback Turtle Leatherback Turtle Oral Cavity (Buccal

Oral Cavity (Oral Cavity (BuccalBuccal Cavity)Cavity)

Mouth: Prey capture and transport, also display.

Teeth: No!

Rhamphotheca or beak: cutting & crushing, also aggression & defense

Tongue: Taste food manipulation

Page 20: ANATOMY OF SEA TURTLES...Sea Turtle Species of the World Photo: Matthew Godfrey Green Turtle Loggerhead Turtle Hawksbill Turtle Flatback Turtle Leatherback Turtle Oral Cavity (Buccal

RhamphothecaRhamphotheca =Beak=BeakRhamphotheca (or beak) varieties:•Cusped,thick & crushing,•Serrated and clipping, •Thin and slicing•Species-specific

Page 21: ANATOMY OF SEA TURTLES...Sea Turtle Species of the World Photo: Matthew Godfrey Green Turtle Loggerhead Turtle Hawksbill Turtle Flatback Turtle Leatherback Turtle Oral Cavity (Buccal

D.R. Mader Photo

Minimally mobile tongue compared with tortoises

Page 22: ANATOMY OF SEA TURTLES...Sea Turtle Species of the World Photo: Matthew Godfrey Green Turtle Loggerhead Turtle Hawksbill Turtle Flatback Turtle Leatherback Turtle Oral Cavity (Buccal

Jaw & Jaw Joint Jaw & Jaw Joint

Page 23: ANATOMY OF SEA TURTLES...Sea Turtle Species of the World Photo: Matthew Godfrey Green Turtle Loggerhead Turtle Hawksbill Turtle Flatback Turtle Leatherback Turtle Oral Cavity (Buccal

Basic AnatomyBasic Anatomy

Oral Cavity

Large SmallIntestine Intestine

Cloaca

Alimentary Canal: esophagus, stomach, intestines & cloacaAlimentary Canal: esophagus, stomach, intestines & cloaca

Page 24: ANATOMY OF SEA TURTLES...Sea Turtle Species of the World Photo: Matthew Godfrey Green Turtle Loggerhead Turtle Hawksbill Turtle Flatback Turtle Leatherback Turtle Oral Cavity (Buccal

EsophagusEsophagus-- tube to the stomachtube to the stomach

Page 25: ANATOMY OF SEA TURTLES...Sea Turtle Species of the World Photo: Matthew Godfrey Green Turtle Loggerhead Turtle Hawksbill Turtle Flatback Turtle Leatherback Turtle Oral Cavity (Buccal

EsophagusEsophagus-- tube to the stomachtube to the stomach

Page 26: ANATOMY OF SEA TURTLES...Sea Turtle Species of the World Photo: Matthew Godfrey Green Turtle Loggerhead Turtle Hawksbill Turtle Flatback Turtle Leatherback Turtle Oral Cavity (Buccal

EsophagusEsophagus

Esophagus is similar in most sea turtles; muscular wall with papillae lining lumen.

Page 27: ANATOMY OF SEA TURTLES...Sea Turtle Species of the World Photo: Matthew Godfrey Green Turtle Loggerhead Turtle Hawksbill Turtle Flatback Turtle Leatherback Turtle Oral Cavity (Buccal

Intestines Intestines and glandsand glands

Page 28: ANATOMY OF SEA TURTLES...Sea Turtle Species of the World Photo: Matthew Godfrey Green Turtle Loggerhead Turtle Hawksbill Turtle Flatback Turtle Leatherback Turtle Oral Cavity (Buccal

GIGI DiversityDiversity in Sea Turtlesin Sea Turtles

Page 29: ANATOMY OF SEA TURTLES...Sea Turtle Species of the World Photo: Matthew Godfrey Green Turtle Loggerhead Turtle Hawksbill Turtle Flatback Turtle Leatherback Turtle Oral Cavity (Buccal

CloacalCloacal FormForm

Proctodeum Urodeum Coprodeum Rectum

CoprodeumUrodeumProctodeum

P U C RP U C R

Urinary bladderUrinary bladder

Page 30: ANATOMY OF SEA TURTLES...Sea Turtle Species of the World Photo: Matthew Godfrey Green Turtle Loggerhead Turtle Hawksbill Turtle Flatback Turtle Leatherback Turtle Oral Cavity (Buccal

CloacalCloacal AnatomyAnatomy

P U C RP U C R

Page 31: ANATOMY OF SEA TURTLES...Sea Turtle Species of the World Photo: Matthew Godfrey Green Turtle Loggerhead Turtle Hawksbill Turtle Flatback Turtle Leatherback Turtle Oral Cavity (Buccal

Gonadal Systems

ImmatureOvary Ovary Testis

Page 32: ANATOMY OF SEA TURTLES...Sea Turtle Species of the World Photo: Matthew Godfrey Green Turtle Loggerhead Turtle Hawksbill Turtle Flatback Turtle Leatherback Turtle Oral Cavity (Buccal

Gonadal Systems

ImmatureOvary Maturing Ovary Testis

& Oviduct w/ eggs

Page 33: ANATOMY OF SEA TURTLES...Sea Turtle Species of the World Photo: Matthew Godfrey Green Turtle Loggerhead Turtle Hawksbill Turtle Flatback Turtle Leatherback Turtle Oral Cavity (Buccal

Lungs & HeartLungs & Heart Lung Longitudinal SectionLung Longitudinal Section

Page 34: ANATOMY OF SEA TURTLES...Sea Turtle Species of the World Photo: Matthew Godfrey Green Turtle Loggerhead Turtle Hawksbill Turtle Flatback Turtle Leatherback Turtle Oral Cavity (Buccal

Brain & Sense Organs

Page 35: ANATOMY OF SEA TURTLES...Sea Turtle Species of the World Photo: Matthew Godfrey Green Turtle Loggerhead Turtle Hawksbill Turtle Flatback Turtle Leatherback Turtle Oral Cavity (Buccal

D.R. Mader photo

D.R. Mader photo


Sea Turtle Rescue !

Sea Turtle Rescue !

Loggerhead sea turtle jadyn

Loggerhead sea turtle jadyn

Leatherback sea turtle

Leatherback sea turtle

ANATOMY OF SEA TURTLES - School of Veterinary … OF SEA TURTLES Jeanette Wyneken, PhD Florida Atlantic University. ... Green Turtle Loggerhead Turtle Hawksbill Turtle Flatback Turtle

ANATOMY OF SEA TURTLES - School of Veterinary … OF SEA TURTLES Jeanette Wyneken, PhD Florida Atlantic University. ... Green Turtle Loggerhead Turtle Hawksbill Turtle Flatback Turtle

Turtle - Loggerhead Sea

Turtle - Loggerhead Sea

North West Shelf Flatback Turtle Conservation Program ...€¦ · Shelf Flatback Turtle Conservation Program Strategic Conservation Plan 2014–21, Department of Biodiversity, Conservation

North West Shelf Flatback Turtle Conservation Program ...€¦ · Shelf Flatback Turtle Conservation Program Strategic Conservation Plan 2014–21, Department of Biodiversity, Conservation

Sea Turtle Puppet

Sea Turtle Puppet

DISTRIBUTION OF FLATBACK TURTLE NESTING of marine turtle nesting.pdfSurvey of marine turtle nesting distribution in Queensland, 2000 and 2001: Broad Sound to Repulse Bay, Central Queensland

DISTRIBUTION OF FLATBACK TURTLE NESTING of marine turtle nesting.pdfSurvey of marine turtle nesting distribution in Queensland, 2000 and 2001: Broad Sound to Repulse Bay, Central Queensland

Sea Turtle Conservancy Newsletter...Sea Turtle Conservancy Newsletter Science-Based Sea Turtle Conservation Since 1959 Issue 4, 2012 In October, Sea Turtle Conservancy (STC) added

Sea Turtle Conservancy Newsletter...Sea Turtle Conservancy Newsletter Science-Based Sea Turtle Conservation Since 1959 Issue 4, 2012 In October, Sea Turtle Conservancy (STC) added

Sea Turtle

Sea Turtle

  · Web viewThe flatback sea turtle is a reptile, lives in the sea and is a part of the reptile family. These turtles live at the near-by coast of Australia. The turtle has its

  · Web viewThe flatback sea turtle is a reptile, lives in the sea and is a part of the reptile family. These turtles live at the near-by coast of Australia. The turtle has its

Sea Turtle Conservationosaconservation.org/.../03/Sea-Turtle-Conservation-Volunteer-Guide.pdf · Our Sea Turtle Conservation Program ... Recommended Pre-Departure Reading 11. 12.

Sea Turtle Conservationosaconservation.org/.../03/Sea-Turtle-Conservation-Volunteer-Guide.pdf · Our Sea Turtle Conservation Program ... Recommended Pre-Departure Reading 11. 12.

Sea Turtle 5

Sea Turtle 5

Hawaii's Sea Turtle-Explorer

Hawaii's Sea Turtle-Explorer

SEA TURTLE CONSERVATION

SEA TURTLE CONSERVATION

Sea Turtle Migration

Sea Turtle Migration

Leatherback Sea Turtle - North Carolina Wildlife Resources ......Leatherback Sea Turtle History and Status Description The leatherback sea turtle is the largest turtle in the world,

Leatherback Sea Turtle - North Carolina Wildlife Resources ......Leatherback Sea Turtle History and Status Description The leatherback sea turtle is the largest turtle in the world,

Sea Turtle Handling Guidebook for Fishermen - RAC SPArac-spa.org/sites/default/files/doc_turtles/sea_turtle_handling... · Sea Turtle Life Cycle ... The Sea Turtle Handling Guidebook

Sea Turtle Handling Guidebook for Fishermen - RAC SPArac-spa.org/sites/default/files/doc_turtles/sea_turtle_handling... · Sea Turtle Life Cycle ... The Sea Turtle Handling Guidebook

Sea Turtle Round-up

Sea Turtle Round-up

Sea Turtle Identification Guide - Wildseaswildseas.org/Wildseas/Sea_Turtles_files/ws turtle ident.pdf · Sea Turtle Identification Guide ... Black turtle (Chelonia agassizii), is

Sea Turtle Identification Guide - Wildseaswildseas.org/Wildseas/Sea_Turtles_files/ws turtle ident.pdf · Sea Turtle Identification Guide ... Black turtle (Chelonia agassizii), is