Browneye skate vs common bottlenose dolphin

Okamejei schmidti compared with Tursiops truncatus

Key Differences

• Browneye skate is Vulnerable while common bottlenose dolphin is Least Concern.

Taxonomic Classification

Rank	Browneye skate	common bottlenose dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Rajiformes (Rajiformes)	Cetacea (Whales & Dolphins)
Family	Rajidae	Delphinidae (Oceanic Dolphins)
Genus	Okamejei	Tursiops (Bottlenose Dolphins)
Species	Okamejei schmidti	Tursiops truncatus

Evolutionary Relationship

Browneye skate and common bottlenose dolphin share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Browneye skate

VU — Vulnerable

common bottlenose dolphin

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Physical Characteristics

Attribute	Browneye skate	common bottlenose dolphin
Diet	—	Carnivore
Average Lifespan	—	45 years
Average Length	—	3.0 m
Average Weight	—	300.0 kg

Habitat & Geographic Range

Browneye skate

common bottlenose dolphin

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).

Browneye skate

The Browneye Skate (Okamejei schmidti) is a species in the genus Okamejei. It is currently classified as Vulnerable on the IUCN Red List. As a member of the Okamejei genus, this species contributes to biodiversity in its native range.

common bottlenose dolphin

The most studied and recognized dolphin species, bottlenose dolphins inhabit warm and temperate oceans worldwide, from coastal shallows to the open sea. Highly intelligent with large brains relative to body size, they demonstrate self-recognition, complex communication, and social learning. They live in fluid fission-fusion societies and cooperate to herd fish. A keystone indicator species for marine ecosystem health.