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Ocean animals

Loggerhead sea turtle

Amazing fact

A loggerhead turtle cannot pull its head or flippers into its shell.

NOAA Fisheries
Loggerhead sea turtle in its habitat (illustration)

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An illustration based on the real animal.

A little discovery to share.

A loggerhead turtle cannot pull its head or flippers into its shell.

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THE REAL WORLD

The real Loggerhead sea turtle

Scientific name
Caretta caretta
Japanese name
アカウミガメ
Group
Ocean animals
Class
Reptilia
Order
Testudines
Family
Cheloniidae
Genus
Caretta
Facts about the real animal.

Where the name “Loggerhead sea turtle” comes from

Its English name comes from its large head and strong jaws.

観光庁 地域観光資源の多言語解説文データベース
01

A sea turtle that prefers warm coastal waters. Its shell is reddish-brown and shaped like a heart.

02

It has a big head and strong jaws, which it uses to crush the hard shells of the clams and sea urchins it eats.

03

It finds its way across the oceans using the Earth's magnetic field, and returns to the place where it hatched to lay its eggs.

How the Loggerhead sea turtle lives

Hatchlings head for the sea when they emerge from the nest. Young turtles live among drifting Sargassum in warm ocean currents. Young and adult turtles in coastal waters eat seabed animals such as mollusks and crustaceans.

University of Michigan Animal Diversity WebNOAA Fisheries

Basic data

Weight
males about 120 kg
Diet
Clams and sea urchins
観光庁 地域観光資源の多言語解説文データベース
Conservation status in Japan
Endangered (EN)Ministry of the Environment of Japan, 5th Red List (2026)

Where the Loggerhead sea turtle has been recorded

World map with dots where the Loggerhead sea turtle has been recorded
Each dot marks a place with observations or specimens shared on GBIF. Some records are of animals that strayed or were brought by people, so the dots are not always where the animal lives.

Records: GBIF.org (CC0 and CC BY 4.0 records, retrieved 2026-11-07). Map: Natural EarthSee the records on GBIF

Watch wild animals from a distance. Do not touch or feed them, and take care of the places where they live.

Names around the world

简体中文
蠵龟
繁體中文
赤蠵龜
Español
Tortuga boba
Português (Brasil)
Tartaruga-comum
العربية
الحَنْفَاء
Bahasa Indonesia
Penyu tempayan
Tiếng Việt
Rùa Quản Đồng
Русский
Логгерхед

Names come from Wikidata and iNaturalist records. Where a language has no recorded name, we use the scientific name.

Sources and how we check

We check each fact against its source. The illustrations simplify how the real animal looks.

The classification (class, order, family, genus) follows Wikidata records, checked against GBIF. Classifications can change as research goes on.

The basic data are the values given in each source. They vary with how the animal is measured, whether it is male or female, and whether it lives in the wild or in captivity.

The conservation status in Japan is the category in the Red Lists of the Ministry of the Environment of Japan, which assess the risk of extinction for wild animals in Japan.

This page was translated from the original Japanese with the help of AI.

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