Bigeye skate vs common bottlenose dolphin

Okamejei meerdervoortii compared with Tursiops truncatus

Key Differences

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

Taxonomic Classification

Rank	Bigeye skate	common bottlenose dolphin
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class	Elasmobranchii	Mammalia (lớp Thú)
Order	Rajiformes (Bộ Cá đuối)	Cetacea (Whales & Dolphins)
Family	Rajidae	Delphinidae (Oceanic Dolphins)
Genus	Okamejei	Tursiops (Bottlenose Dolphins)
Species	Okamejei meerdervoortii	Tursiops truncatus

Evolutionary Relationship

Bigeye skate and common bottlenose dolphin share a common ancestor at the Phylum level: Chordata. (động vật có dây sống)

Conservation Status

Bigeye skate

VU — Vulnerable

common bottlenose dolphin

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Physical Characteristics

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

Habitat & Geographic Range

Bigeye skate

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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).

Bigeye skate

The Bigeye skate (Okamejei meerdervoortii) is a species in the genus Okamejei. It is currently classified as Vulnerable on the IUCN Red List. Native to Asia, inhabiting ecosystems characteristic of the region.

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.

Shared Countries

Both species can be found in 1 countries:

🇹🇼 Taiwan