False widow vs Indian Ocean humpback dolphin

Steatoda bipunctata compared with Sousa plumbea

Key Differences

• False widow is Least Concern while Indian Ocean humpback dolphin is Endangered.

Taxonomic Classification

Rank	False widow	Indian Ocean humpback dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Arachnida (Arachnids)	Mammalia (Mammals)
Order	Araneae (Araneae)	Cetacea (Whales & Dolphins)
Family	Theridiidae	Delphinidae (Oceanic Dolphins)
Genus	Steatoda	Sousa
Species	Steatoda bipunctata	Sousa plumbea

Evolutionary Relationship

False widow and Indian Ocean humpback dolphin share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

False widow

LC — Least Concern

Indian Ocean humpback dolphin

EN — Endangered

Physical Characteristics

Attribute	False widow	Indian Ocean humpback dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

False widow

Habitat

Typically found in terrestrial habitats from forests to deserts.

Range

Found across Europe (4 countries) and North America (Canada, United States).

Indian Ocean humpback dolphin

Habitat

Inhabits temperate broadleaf and mixed forests and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Greece. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.