Irrawaddy dolphin vs Night Shark

Orcaella brevirostris compared with Carcharhinus signatus

Taxonomic Classification

Rank	Irrawaddy dolphin	Night 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	Orcaella	Carcharhinus
Species	Orcaella brevirostris	Carcharhinus signatus

Evolutionary Relationship

Irrawaddy dolphin and Night Shark share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Irrawaddy dolphin

EN — Endangered

Night Shark

EN — Endangered

Physical Characteristics

Attribute	Irrawaddy dolphin	Night Shark
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Night Shark

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Range

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