Other identification tools | SeaLifeBase

Non-fish Identification: Find Species

Family: Cheloniidae sea turtles (See list of species below)

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Total number of spines in dorsal and anal fins (optional)



6 species with fin ray counts including ? spines in dorsal and ? in anal fins (see list below)


Caretta caretta
[Loggerhead turtle]


Chelonia mydas
[Green sea turtle]


Eretmochelys imbricata
[Hawksbill turtle]


Lepidochelys kempii
[Kemp's ridley turtle]


Lepidochelys olivacea
[Olive ridley turtle]


Natator depressa
[Flatback turtle]
6 Species of Family Cheloniidae
(sea turtles)
Sort by: Species Length
Scientific Name English Name Distribution Max. Length (cm)
Caretta caretta Loggerhead turtle Circumglobal. 125 CL
Chelonia mydas Green sea turtle Circumglobal. 105 CL
Eretmochelys imbricata Hawksbill turtle Indo-Pacific and the Atla 90 CL
Lepidochelys kempii Kemp's ridley turtle Atlantic Ocean and the Me 74.8 CL
Lepidochelys olivacea Olive ridley turtle Indo-Pacific and the Atla 76 CL
Natator depressa Flatback turtle Indo-West Pacific 96 CL



Other identification tools in SeaLifeBase


Quick Identification
Identification keys
Identification by morphometrics
Identification by pictures:
          If you already know the Family, go to Search SeaLifeBase, select Family and click on 'Identification by pictures' to display all available pictures in SeaLifeBase for the family.

          If you already know the Country, go to
Search SeaLifeBase, select Country and click on 'Identification by pictures' to display all available pictures in SeaLifeBase for the country.

          If you already know the Ecosystem, go to
Search SeaLifeBase, select Ecosystem and click on 'Identification by pictures' to display all available pictures in SeaLifeBase for the ecosystem.