Fern scale vs Hooded seal

Pinnaspis aspidistrae compared with Cystophora cristata

Key Differences

• Fern scale is Not Evaluated while Hooded seal is Endangered.

Taxonomic Classification

Rank	Fern scale	Hooded seal
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Hemiptera (Hemiptera)	Pinnipedia (Seals & Sea Lions)
Family	Diaspididae	Phocidae (True Seals)
Genus	Pinnaspis	Cystophora
Species	Pinnaspis aspidistrae	Cystophora cristata

Evolutionary Relationship

Fern scale and Hooded seal share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Fern scale

NE — Not Evaluated

Hooded seal

EN — Endangered

Physical Characteristics

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

Habitat & Geographic Range

Fern scale

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (21 countries) and North America (United States).

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.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal