Indo-Pacific Bottlenose Dolphin vs Shark

Tursiops aduncus compared with Carcharhinus porosus

Key Differences

• Indo-Pacific Bottlenose Dolphin is Near Threatened while Shark is Critically Endangered.

Taxonomic Classification

Rank	Indo-Pacific Bottlenose Dolphin	Shark
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Chondrichthyes (Cartilaginous Fish)
Order	Cetacea (Whales & Dolphins)	Carcharhiniformes (Ground Sharks)
Family	Delphinidae (Oceanic Dolphins)	Carcharhinidae
Genus	Tursiops (Bottlenose Dolphins)	Carcharhinus
Species	Tursiops aduncus	Carcharhinus porosus

Evolutionary Relationship

Indo-Pacific Bottlenose Dolphin and Shark share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Indo-Pacific Bottlenose Dolphin

NT — Near Threatened

Shark

CR — Critically Endangered

Physical Characteristics

Attribute	Indo-Pacific Bottlenose Dolphin	Shark
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Indo-Pacific Bottlenose Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Taiwan. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Shark

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and flooded grasslands and savannas, among 5 distinct biome types within the Neotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

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