Andaman leg skate vs common bottlenose dolphin

Cruriraja andamanica compared with Tursiops truncatus

Key Differences

• Andaman leg skate is Data Deficient while common bottlenose dolphin is Least Concern.

Taxonomic Classification

Rank	Andaman leg skate	common bottlenose dolphin
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Elasmobranchii	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Rajiformes (อันดับปลาโรนัน)	Cetacea (Whales & Dolphins)
Family	Rajidae	Delphinidae (Oceanic Dolphins)
Genus	Cruriraja	Tursiops (Bottlenose Dolphins)
Species	Cruriraja andamanica	Tursiops truncatus

Evolutionary Relationship

Andaman leg skate and common bottlenose dolphin share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Andaman leg skate

DD — Data Deficient

common bottlenose dolphin

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Physical Characteristics

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

Habitat & Geographic Range

Andaman leg 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).

Andaman leg skate

The Andaman leg skate (Cruriraja andamanica) is a species in the genus Cruriraja. Its conservation status is listed as Data Deficient, indicating insufficient data for assessment.

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.