vs Irrawaddy dolphin

Biddulphia rhombus compared with Orcaella brevirostris

Key Differences

• is Not Evaluated while Irrawaddy dolphin is Endangered.

Taxonomic Classification

Rank		Irrawaddy dolphin
Kingdom	Chromista (Chromista)	Animalia (Animals)
Phylum	Ochrophyta (Ochrophyta)	Chordata (Chordates)
Class	Bacillariophyceae (Bacillariophyceae)	Mammalia (Mammals)
Order	Biddulphiales (Biddulphiales)	Cetacea (Whales & Dolphins)
Family	Biddulphiaceae	Delphinidae (Oceanic Dolphins)
Genus	Biddulphia	Orcaella
Species	Biddulphia rhombus	Orcaella brevirostris

Conservation Status

NE — Not Evaluated

Irrawaddy dolphin

EN — Endangered

Physical Characteristics

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

Habitat & Geographic Range

Habitat

Native to Asia and Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Sweden, and Taiwan.

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Biddulphia rhombus is a centric marine diatom with a distinctly bipolar, rhomboid to broadly lanceolate valve shape bearing prominent horn-like elevations. It inhabits coastal planktonic and benthic environments in temperate to warm seas worldwide. This photosynthetic diatom contributes to marine primary production in neritic coastal waters.