Black-edged Marble vs Irrawaddy dolphin

Endothenia nigricostana compared with Orcaella brevirostris

Key Differences

• Black-edged Marble is Near Threatened while Irrawaddy dolphin is Endangered.

Taxonomic Classification

Rank	Black-edged Marble	Irrawaddy dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Lepidoptera (Butterflies & Moths)	Cetacea (Whales & Dolphins)
Family	Tortricidae	Delphinidae (Oceanic Dolphins)
Genus	Endothenia	Orcaella
Species	Endothenia nigricostana	Orcaella brevirostris

Evolutionary Relationship

Black-edged Marble and Irrawaddy dolphin share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Black-edged Marble

NT — Near Threatened

Irrawaddy dolphin

EN — Endangered

Physical Characteristics

Attribute	Black-edged Marble	Irrawaddy dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-edged Marble

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Black-edged Marble

The Black-edged Marble (Endothenia nigricostana) is a species in the genus Endothenia. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats. Distributed across Belgium, Denmark, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.