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  3. Olive Ridley

Olive Ridley (Lepidochelys olivacea)

Reptiles · Testudines · Cheloniidae

Olive Ridley

Lepidochelys olivacea

Vulnerable

At high risk of extinction in the wild over the medium term.

Spotted something wrong?

The olive ridley is a turtle of the family Cheloniidae. It is the second smallest of the sea turtles. It measures up to 70 cm and weighs around 40 kg. It feeds on a wide variety of marine invertebrates. It is widely distributed around the world with the exception of the North Atlantic. It is considered Vulnerable by the IUCN. It is also known by the names parlama, guaraguá, batalí and maní.

Weight

35 kg – 50 kg

Size

60 cm – 75 cm

Life expectancy

50 years

Diet

Omnivore

Combines animal and plant food depending on availability.

Activity

Irregular activity

Active at irregular times, by day or night depending on circumstances.

Ocean
90countries6parks23dive sites5same family

AI-generated images: illustrations, not photographs.

Fun facts

  • Its arribadas are among the largest gatherings of reptiles in the world: at Gahirmatha in India more than six hundred thousand females have been recorded nesting in a single season, and at Ostional in Costa Rica the arribadas cover the beach completely.
  • At Ostional there is a legal programme of controlled egg collection during the first days of the arribada, when later turtles would destroy those nests anyway: an uncommon case of sustainable use of a threatened species.
  • It is the most abundant sea turtle in the world and even so is listed as vulnerable: accidental capture in trawls and on longlines still kills tens of thousands a year.

Life cycle and biology

Skeleton type
Vertebrate - internal bony skeleton with a shell (reptile)
Habitat and environment
Tropical waters of the Pacific, Indian and Atlantic oceans; it nests on arribada beaches
Sexual maturity
13 years
Gestation / incubation
55 days of incubation
Litter / clutch size
110 eggs

Sources consulted: Wikipedia (es): Lepidochelys olivacea

Where to find it

Loading map…

Where to see it

Parks and dive sites where this species has been documented — showing 16 of 29.

Related species

Other species in the catalogue with the most in common with Olive Ridley — same habitat, park, country, tags or family.

Same taxonomic family
Shares a park
Same taxonomic family
Same taxonomic family
Shares a park
Shares a park

How to help

The olive ridley is classified as vulnerable. Organisations such as the IUCN, WWF and the Wildlife Conservation Society work specifically on its conservation and that of its habitat; looking into their programmes is a good starting point if you want to get involved.

It's documented in 11 protected areas — one reason why protecting these places matters for its conservation.

Related guides

Keep exploring

Based on what we already know about olive ridley.

Share an experience, a fun fact or a tip for seeing the olive ridley.
One of the 41 turtles and tortoises on WAnimals
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The pins mark the parks and dive sites where its presence is documented.

See its range on the interactive map→
CorcovadoCosta Rica
CoibaPanama
Santa RosaCosta Rica
Marino BallenaCosta Rica
UtríaColombia
GorgonaColombia
Cocos IslandCosta Rica
Fernando de NoronhaBrazil
Cabo Pulmo National ParkMexico
Similan IslandsThailand
Andaman Islands (Havelock)India
Netrani IslandIndia
Pigeon IslandSri Lanka
Tofo BeachMozambique
Coiba National ParkPanama
Caño IslandCosta Rica
See all 23 dive sites
Hawksbill TurtleCritically Endangered

Hawksbill Turtle

Eretmochelys imbricata

Leatherback Sea TurtleVulnerable

Leatherback Sea Turtle

Dermochelys coriacea

Loggerhead TurtleVulnerable

Loggerhead Turtle

Caretta caretta

Green TurtleEndangered

Green Turtle

Chelonia mydas

Whale SharkEndangered

Whale Shark

Rhincodon typus

Least Concern

Yellow-bellied Sea Snake

Hydrophis platurus

Where to see Olive Ridley9 places
CountriesCosta Rica
ParksCorcovadoCosta Rica
TagsOmnivore
Omnivore
Diurnal
Variable activity
Vulnerable
Reptile
Ocean

Africa28

Asia24

Oceania20

North America12

South America6

Costa Rica
India
Mexico
Sri Lanka
Brazil
Colombia
Angola
Benin
Cabo Verde
Cameroon
Comoros
Côte d’Ivoire
Djibouti
Egypt
Eritrea
Gabon
Gambia
Ghana
Guinea-Bissau
Kenya
Mauritania
Mauritius
Mayotte
Mozambique
Nigeria
Réunion
São Tomé and Príncipe
Senegal
Seychelles
Somalia
South Africa
Sudan
Tanzania
Togo
Bangladesh
Brunei
Cambodia
China
India
Indonesia
Israel
Japan
Jordan
Malaysia
Maldives
Myanmar
Oman
Pakistan
Philippines
Saudi Arabia
Singapore
Sri Lanka
Taiwan
Thailand
Timor-Leste
United Arab Emirates
Vietnam
Yemen
American Samoa
Australia
Cook Islands
Fiji
French Polynesia
Guam
Kiribati
Marshall Islands
Micronesia
Nauru
New Caledonia
Niue
Northern Mariana Islands
Palau
Papua New Guinea
Samoa
Solomon Islands
Tonga
Tuvalu
Vanuatu
Belize
Bermuda
Canada
Costa Rica
El Salvador
Greenland
Guatemala
Honduras
Mexico
Nicaragua
Panama
United States
Brazil
Colombia
Ecuador
French Guiana
Guyana
Suriname