Atlantic Gray Seal vs

Halichoerus grypus compared with Peronospora paula

Key Differences

• Atlantic Gray Seal is Vulnerable while is Not Evaluated.

Taxonomic Classification

Rank	Atlantic Gray Seal
Kingdom	Animalia (Animals)	Chromista (Chromista)
Phylum	Chordata (Chordates)	Oomycota (Oomycetes)
Class	Mammalia (Mammals)	Peronosporea (Peronosporea)
Order	Pinnipedia (Seals & Sea Lions)	Peronosporales (Peronosporales)
Family	Phocidae (True Seals)	Peronosporaceae
Genus	Halichoerus	Peronospora
Species	Halichoerus grypus	Peronospora paula

Conservation Status

Atlantic Gray Seal

VU — Vulnerable

NE — Not Evaluated

Physical Characteristics

Attribute	Atlantic Gray Seal
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Atlantic Gray Seal

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Norway, and Sweden.

Atlantic Gray Seal

The Atlantic Gray Seal (Halichoerus grypus) is a species in the genus Halichoerus. It is currently classified as Vulnerable on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Peronospora paula is a downy mildew oomycete that parasitizes small herbaceous host plants, forming white to greyish sporulation on leaf undersides. This obligate biotrophic pathogen requires living host tissue to complete its complex life cycle, which includes both sexual and asexual reproduction. It is distributed in temperate regions across Europe and beyond where suitable hosts occur.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇸🇪 Sweden