Hooded seal vs

Cystophora cristata compared with Nitzschia angularis

Key Differences

• Hooded seal is Endangered while is Not Evaluated.

Taxonomic Classification

Rank	Hooded seal
Kingdom	Animalia (Animals)	Chromista (Chromista)
Phylum	Chordata (Chordates)	Ochrophyta (Ochrophyta)
Class	Mammalia (Mammals)	Bacillariophyceae (Bacillariophyceae)
Order	Pinnipedia (Seals & Sea Lions)	Bacillariales (Bacillariales)
Family	Phocidae (True Seals)	Bacillariaceae
Genus	Cystophora	Nitzschia
Species	Cystophora cristata	Nitzschia angularis

Conservation Status

Hooded seal

EN — Endangered

NE — Not Evaluated

Physical Characteristics

Attribute	Hooded seal
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Hooded seal

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

Habitat

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

Range

Distributed across Brazil, Norway, Sweden, and Taiwan.

Nitzschia angularis is an elongated, pennate freshwater diatom with angular poles and a distinctive raphe positioned along the keel of the frustule. It inhabits eutrophic to mesotrophic freshwater environments including rivers, ponds, and nutrient-enriched lakes. This photosynthetic diatom is associated with moderately enriched freshwater conditions.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway