Hooded seal vs Silk-Button Spangle Gall

Cystophora cristata compared with Neuroterus numismalis

Key Differences

• Hooded seal is Endangered while Silk-Button Spangle Gall is Not Evaluated.

Taxonomic Classification

Rank	Hooded seal	Silk-Button Spangle Gall
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Pinnipedia (Seals & Sea Lions)	Hymenoptera (Ants, Bees & Wasps)
Family	Phocidae (True Seals)	Cynipidae
Genus	Cystophora	Neuroterus
Species	Cystophora cristata	Neuroterus numismalis

Evolutionary Relationship

Hooded seal and Silk-Button Spangle Gall share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Hooded seal

EN — Endangered

Silk-Button Spangle Gall

NE — Not Evaluated

Physical Characteristics

Attribute	Hooded seal	Silk-Button Spangle Gall
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.

Silk-Button Spangle Gall

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Shared Countries

Both species can be found in 2 countries:

🇩🇰 Denmark 🇳🇴 Norway