vs Mediterranean monk seal

Biddulphia rhombus compared with Monachus monachus

Key Differences

• is Not Evaluated while Mediterranean monk seal is Endangered.

Taxonomic Classification

Rank		Mediterranean monk seal
Kingdom	Chromista (Chromista)	Animalia (Animals)
Phylum	Ochrophyta (Ochrophyta)	Chordata (Chordates)
Class	Bacillariophyceae (Bacillariophyceae)	Mammalia (Mammals)
Order	Biddulphiales (Biddulphiales)	Pinnipedia (Seals & Sea Lions)
Family	Biddulphiaceae	Phocidae (True Seals)
Genus	Biddulphia	Monachus
Species	Biddulphia rhombus	Monachus monachus

Conservation Status

NE — Not Evaluated

Mediterranean monk seal

EN — Endangered

Physical Characteristics

Attribute		Mediterranean monk seal
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.

Mediterranean monk seal

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Portugal and Ukraine. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.