Kellerspinne vs Commerson-Delfin

Amaurobius ferox compared with Cephalorhynchus commersonii

Taxonomic Classification

Rank	Kellerspinne	Commerson-Delfin
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum	Arthropoda (Gliederfüßer)	Chordata (Chordatiere)
Class	Arachnida (Spinnentiere)	Mammalia (Säugetiere)
Order	Araneae (Webspinnen)	Cetacea (Whales & Dolphins)
Family	Amaurobiidae	Delphinidae (Oceanic Dolphins)
Genus	Amaurobius	Cephalorhynchus
Species	Amaurobius ferox	Cephalorhynchus commersonii

Evolutionary Relationship

Kellerspinne and Commerson-Delfin share a common ancestor at the Kingdom level: Animalia. (Tier)

Conservation Status

Kellerspinne

LC — Least Concern

Commerson-Delfin

LC — Least Concern

Physical Characteristics

Attribute	Kellerspinne	Commerson-Delfin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Kellerspinne

Habitat

Typically found in terrestrial habitats from forests to deserts.

Range

Distributed across Belgium, Canada, Denmark, Sweden, and United States.

Commerson-Delfin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Kellerspinne

The Black Laceweaver (Amaurobius ferox) is a species in the genus Amaurobius. It is currently classified as Least Concern on the IUCN Red List. Typically found in terrestrial habitats from forests to deserts.

Commerson-Delfin

<em>Cephalorhynchus commersonii</em>, commonly known as Commerson's Dolphin, is a small cetacean in the family Delphinidae. This species is classified as Least Concern on the IUCN Red List and is notable for its striking black-and-white coloration, which makes it one of the most visually distinctive dolphin species. Commerson's Dolphins typically inhabit coastal and nearshore marine environments of the Southern Hemisphere, particularly around the Falkland Islands, the southern tip of South America, and a geographically isolated population near the Kerguelen Islands in the Indian Ocean. These dolphins are highly social animals, often observed in small groups engaging in acrobatic behaviors near the surface. They typically feed on fish, squid, and crustaceans, often hunting cooperatively in shallow waters and kelp beds. Their average lifespan is approximately 18 years, and they are known for their fast, energetic swimming. Commerson's Dolphins are sometimes caught as bycatch in fishing nets, posing a localized conservation concern despite their overall Least Concern status.