Centric diatom vs Laysan Duck

Cyclotella pseudostelligera compared with Anas laysanensis

Key Differences

• Centric diatom is Not Evaluated while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Centric diatom	Laysan Duck
Kingdom	Chromista (Chromista)	Animalia (Animals)
Phylum	Ochrophyta (Ochrophyta)	Chordata (Chordates)
Class	Bacillariophyceae (Bacillariophyceae)	Aves (Birds)
Order	Thalassiosirales (Thalassiosirales)	Anseriformes (Anseriformes)
Family	Stephanodiscaceae	Anatidae
Genus	Cyclotella	Anas
Species	Cyclotella pseudostelligera	Anas laysanensis

Conservation Status

Centric diatom

NE — Not Evaluated

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Centric diatom	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Centric diatom

Habitat

Native to North America, inhabiting ecosystems characteristic of the region.

Range

Found in United States.

Laysan Duck

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Belgium, France, Netherlands, Norway, and United Kingdom. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Centric diatom

The Centric Diatom (Cyclotella pseudostelligera) is a species in the genus Cyclotella. Found in United States.

Laysan Duck

Laysan Duck (Anas laysanensis) is classified as Critically Endangered (CR) on the IUCN Red List. Facing an extremely high risk of extinction in the wild due to severe population decline and habitat loss.