Irrawaddy dolphin vs Leopard-spotted swellshark

Orcaella brevirostris compared with Cephaloscyllium fasciatum

Key Differences

• Irrawaddy dolphin is Endangered while Leopard-spotted swellshark is Critically Endangered.

Taxonomic Classification

Rank	Irrawaddy dolphin	Leopard-spotted swellshark
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)	Scyliorhinidae
Genus	Orcaella	Cephaloscyllium
Species	Orcaella brevirostris	Cephaloscyllium fasciatum

Evolutionary Relationship

Irrawaddy dolphin and Leopard-spotted swellshark share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Irrawaddy dolphin

EN — Endangered

Leopard-spotted swellshark

CR — Critically Endangered

Physical Characteristics

Attribute	Irrawaddy dolphin	Leopard-spotted swellshark
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Leopard-spotted swellshark

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Indomalayan biogeographic realm.

Range

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