Leatherback Turtle
⚡ Key Facts & Quick Answers (AEO Summary)
- Taxonomic Class: Reptiles (Reptilia)
- Dietary Niche: Carnivore (Jellyfish)
- Max Speed: 35 km/h (22 mph) swimming
- Adult Weight: 250 - 700 kg (550 - 1500 lbs)
- Typical Lifespan: 40 - 50 years
- Primary Habitat: Open oceans, coastal nesting beaches
- Native Region: Tropical and temperate oceans globally
- IUCN Red List: Vulnerable
📊 Physical & Biological Metrics
🧬 Scientific Taxonomy & Biological Classification
| Kingdom | Animalia |
|---|---|
| Phylum | Chordata |
| Class | Reptilia |
| Order | Testudines |
| Family | Dermochelyidae |
| Genus | Dermochelys |
| Species Binomial | Dermochelys coriacea |
📖 1. Species Overview
The Leatherback Sea Turtle is the largest of all living turtles and the only sea turtle that lacks a bony shell. Instead, their carapace is covered by leathery skin and oily flesh. They dive deeper and travel farther than any other turtle, feeding almost exclusively on jellyfish.
🦿 2. Physical Appearance, Anatomy & Adaptations
Leatherbacks are easily distinguished by their lack of a hard shell. Their black, teardrop-shaped carapace is flexible and covered in tough, leathery skin with seven distinct ridges. They have long, paddle-like front flippers and weigh up to 700 kg, growing to 2 meters long.
🗺️ 3. Habitat, Geographic Distribution & Territorial Range
They are pelagic, open-ocean travelers, found in tropical and temperate oceans. Unlike other sea turtles, they can regulate their body temperature, allowing them to swim in freezing sub-polar waters. They are deep divers, reaching depths of 1,280 meters (4,200 feet).
🥩 4. Diet, Feeding Strategy & Hunting Tactics
They are specialized carnivores that feed almost exclusively on soft-bodied marine invertebrates, primarily jellyfish, salps, and siphonophores. They have backward-pointing spines in their throats (esophageal papillae) that prevent slippery jellyfish from escaping.
🐣 5. Reproduction, Lifecycle & Social Hierarchy
Mating occurs at sea. Females drag themselves onto sandy tropical beaches at night to dig nests. They lay a clutch of 80 to 100 eggs, cover them, and return to the ocean. The eggs incubate for 60 days. Sex is determined by nest temperature. Hatchlings crawl to the sea.
🛡️ 6. Conservation Status, Population Threats & Protection
Classified as Vulnerable. Leatherbacks face catastrophic threats from plastic pollution (mistaking plastic bags for jellyfish, which blocks their digestive tracts), egg poaching on nesting beaches, commercial longline fishing bycatch, and coastal developments.
💡 Fascinating Facts & Trivia
- Leatherback turtles have been swimming in the oceans since the era of the dinosaurs, over 100 million years ago.
- Unlike other sea turtles, they do not have a hard shell; their shell is made of a flexible, leathery skin embedded with tiny bones.
- They can dive to depths of 1,280 meters (4,200 feet), which is deeper than many marine mammals.
❓ Frequently Asked Questions (FAQ)
Direct authoritative answers regarding the biology, feeding habits, and habitat of the Leatherback Turtle.
The Leatherback Turtle is scientifically classified as Dermochelys coriacea. It belongs to the genus Dermochelys within the family Dermochelyidae, class Reptilia, and phylum Chordata.
In the wild, Leatherback Turtles inhabit Open oceans, coastal nesting beaches. Their native geographic range primarily spans Tropical and temperate oceans globally.
The Leatherback Turtle is classified as a Carnivore. It feeds primarily on specialized nutrients suited to its ecological niche in Open oceans, coastal nesting beaches.
A Leatherback Turtle can achieve top speeds of 35 km/h (22 mph) swimming and weighs approximately 250 - 700 kg (550 - 1500 lbs). Its expected natural lifespan is 40 - 50 years.
The Leatherback Turtle (Dermochelys coriacea) is currently designated as Vulnerable on the IUCN Red List of Threatened Species.
Cite this Article
FaunaWiki Zoological Database (2026). "Leatherback Turtle (Dermochelys coriacea) Species Profile."
🐾 Related Species & Co-inhabitants
Mammals
Blue Whale
EndangeredThe blue whale is the largest known animal to have ever lived on Earth, even bigger than the largest dinosaurs. Despite their massive size, these gentle giants feed almost exclusively on krill—tiny shrimp-like creatures. A single adult blue whale can consume up to 4 tons of krill per day. They are baleen whales, meaning they filter ocean water through fringed plates in their mouths. Blue whales are also among the loudest animals, communicating via low-frequency groans and pulses that can travel hundreds of miles underwater.
Reptiles (Reptilia)
King Cobra
VulnerableThe king cobra is the longest venomous snake in the world, capable of reaching lengths of up to 5.8 meters (19 feet). When threatened, it can lift up to a third of its body straight off the ground, flare its iconic hood, and emit a deep, bone-chilling growl. Despite its reputation, the king cobra is generally shy and avoids humans if possible. Its scientific name Ophiophagus means 'snake-eater', referencing its unique diet consisting almost entirely of other snakes.
Reptiles (Reptilia)
Green Sea Turtle
EndangeredThe green sea turtle is one of the largest sea turtles and the only herbivorous species among them. They are named not for the color of their shells, but for the greenish color of their subdermal fat, which is stained by their diet of seagrasses and algae. Green sea turtles migrate incredibly long distances between feeding grounds and the nesting beaches where they were born. Their streamlined shells and paddle-like flippers make them exceptionally graceful swimmers.