Atlantic Humpbacked Dolphin vs Spinetail ray

Sousa teuszii compared with Bathyraja spinicauda

Key Differences

• Atlantic Humpbacked Dolphin is Critically Endangered while Spinetail ray is Near Threatened.

Taxonomic Classification

Rank	Atlantic Humpbacked Dolphin	Spinetail ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Cetacea (Whales & Dolphins)	Rajiformes (Rajiformes)
Family	Delphinidae (Oceanic Dolphins)	Arhynchobatidae
Genus	Sousa	Bathyraja
Species	Sousa teuszii	Bathyraja spinicauda

Evolutionary Relationship

Atlantic Humpbacked Dolphin and Spinetail ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Atlantic Humpbacked Dolphin

CR — Critically Endangered

Spinetail ray

NT — Near Threatened

Physical Characteristics

Attribute	Atlantic Humpbacked Dolphin	Spinetail ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Atlantic Humpbacked Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Spinetail ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Found in Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Atlantic Humpbacked Dolphin

The Atlantic Humpbacked Dolphin (Sousa teuszii) is a species in the genus Sousa. It is currently classified as Critically Endangered on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.