Irrawaddy dolphin vs teat sponge

Orcaella brevirostris compared with Polymastia mamillaris

Key Differences

• Irrawaddy dolphin is Endangered while teat sponge is Not Evaluated.

Taxonomic Classification

Rank	Irrawaddy dolphin	teat sponge
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Porifera (Sponges)
Class	Mammalia (Mammals)	Demospongiae (Demospongiae)
Order	Cetacea (Whales & Dolphins)	Polymastiida (Polymastiida)
Family	Delphinidae (Oceanic Dolphins)	Polymastiidae
Genus	Orcaella	Polymastia
Species	Orcaella brevirostris	Polymastia mamillaris

Evolutionary Relationship

Irrawaddy dolphin and teat sponge share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Irrawaddy dolphin

EN — Endangered

teat sponge

NE — Not Evaluated

Physical Characteristics

Attribute	Irrawaddy dolphin	teat sponge
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

teat sponge

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.