Delfín tonina vs Nile Crocodile

Tursiops truncatus compared with Crocodylus niloticus

Key Differences

Nile Crocodile is 2.5x heavier than Delfín tonina.
Nile Crocodile lives longer (70 years vs 45 years).

Taxonomic Classification

Rank	Delfín tonina	Nile Crocodile
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Mammalia (mamíferos)	Reptilia (reptil)
Order	Cetacea (Whales & Dolphins)	Crocodylia (Crocodilians)
Family	Delphinidae (Oceanic Dolphins)	Crocodylidae (Crocodiles)
Genus	Tursiops (Bottlenose Dolphins)	Crocodylus (True Crocodiles)
Species	Tursiops truncatus	Crocodylus niloticus

Evolutionary Relationship

Delfín tonina and Nile Crocodile 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 →

Nile Crocodile

LC — Least Concern

Population: ~500.0K

Trend: Stable →

Physical Characteristics

Attribute	Delfín tonina	Nile Crocodile
Diet	Carnivore	Carnivore
Average Lifespan	45 years	70 years
Average Length	3.0 m	5.0 m
Average Weight	300.0 kg	750.0 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).

Nile Crocodile

Habitat

Typically found in diverse ecosystems where prey species are available.

Range

Distributed across Egypt, Kenya, Madagascar, South Africa, and Tanzania.

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.