Obscure cushion star vs Wrinkled slime star

Pteraster obscurus compared with Pteraster militaris

Key Differences

• Obscure cushion star is Not Evaluated while Wrinkled slime star is Vulnerable.

Taxonomic Classification

Rank	Obscure cushion star	Wrinkled slime star
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Echinodermata (棘皮动物门)	Echinodermata (棘皮动物门)
Class same	Asteroidea (海星纲)	Asteroidea (海星纲)
Order same	Velatida (帆海星目)	Velatida (帆海星目)
Family same	Pterasteridae	Pterasteridae
Genus same	Pteraster	Pteraster
Species	Pteraster obscurus	Pteraster militaris

Evolutionary Relationship

Obscure cushion star and Wrinkled slime star share a common ancestor at the Genus level: Pteraster.

Conservation Status

Obscure cushion star

NE — Not Evaluated

Wrinkled slime star

VU — Vulnerable

Physical Characteristics

Attribute	Obscure cushion star	Wrinkled slime star
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Obscure cushion star

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Sweden.

Wrinkled slime star

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

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

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden