Blind shark vs common bottlenose dolphin

Hemiscyllium ocellatum compared with Tursiops truncatus

Taxonomic Classification

Rank	Blind shark	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	Orectolobiformes (Bộ Cá mập thảm)	Cetacea (Whales & Dolphins)
Family	Hemiscylliidae	Delphinidae (Oceanic Dolphins)
Genus	Hemiscyllium	Tursiops (Bottlenose Dolphins)
Species	Hemiscyllium ocellatum	Tursiops truncatus

Evolutionary Relationship

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

Conservation Status

Blind shark

LC — Least Concern

common bottlenose dolphin

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Physical Characteristics

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

Habitat & Geographic Range

Blind shark

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).

Blind shark

The Blind shark (Hemiscyllium ocellatum) is a species in the genus Hemiscyllium. It is currently classified as Least Concern on the IUCN Red List.

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.