Delfín tonina vs Leatherback Sea Turtle

Tursiops truncatus compared with Dermochelys coriacea

Key Differences

Delfín tonina is Least Concern while Leatherback Sea Turtle is Vulnerable.
Leatherback Sea Turtle is 1.7x heavier than Delfín tonina.
Leatherback Sea Turtle lives longer (50 years vs 45 years).

Taxonomic Classification

Rank	Delfín tonina	Leatherback Sea Turtle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Mammalia (mamíferos)	Reptilia (reptil)
Order	Cetacea (Whales & Dolphins)	Testudines (Turtles & Tortoises)
Family	Delphinidae (Oceanic Dolphins)	Cheloniidae (Sea Turtles)
Genus	Tursiops (Bottlenose Dolphins)	Chelonia (Green Sea Turtles)
Species	Tursiops truncatus	Dermochelys coriacea

Evolutionary Relationship

Delfín tonina and Leatherback Sea Turtle share a common ancestor at the Phylum level: Chordata. (cordados)

Vista Phylum: Chordata

Conservation Status

Delfín tonina

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Leatherback Sea Turtle

VU — Vulnerable

Population: ~35.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Delfín tonina	Leatherback Sea Turtle
Diet	Carnivore	Carnivore
Average Lifespan	45 years	50 years
Average Length	3.0 m	2.0 m
Average Weight	300.0 kg	500.0 kg

Habitat & Geographic Range

Delfín tonina

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 12 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), and South America (Colombia, Ecuador, Venezuela).

Leatherback Sea Turtle

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 5 distinct biome types spanning the Australasia and Indomalayan and Neotropic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Costa Rica, Indonesia, Malaysia, and Trinidad and Tobago. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Delfín tonina

La especie de delfín más estudiada y reconocida, los delfines mulares habitan océanos cálidos y templados de todo el mundo, desde las aguas costeras poco profundas hasta el mar abierto. Altamente inteligentes con grandes cerebros en relación con el tamaño corporal, demuestran autoreconocimiento, comunicación compleja y aprendizaje social. Viven en sociedades fluidas de fisión-fusión y cooperan para arrear peces. Una especie indicadora clave de la salud del ecosistema marino.