Indian Ocean humpback dolphin vs silky shark

Sousa plumbea compared with Carcharhinus falciformis

Key Differences

• Indian Ocean humpback dolphin is Endangered while silky shark is Vulnerable.

Taxonomic Classification

Rank	Indian Ocean humpback dolphin	silky 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	Sousa	Carcharhinus
Species	Sousa plumbea	Carcharhinus falciformis

Evolutionary Relationship

Indian Ocean humpback dolphin and silky shark share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Indian Ocean humpback dolphin

EN — Endangered

silky shark

VU — Vulnerable

Physical Characteristics

Attribute	Indian Ocean humpback dolphin	silky shark
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Indian Ocean humpback dolphin

Habitat

Inhabits temperate broadleaf and mixed forests and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

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

silky shark

Habitat

Found across multiple habitat types including temperate coniferous forests, flooded grasslands and savannas, and Mediterranean forests and woodlands, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Algeria, Taiwan, Tunisia, and Venezuela. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.