Dusky Dolphin vs Arraia

Lagenorhynchus obscurus compared with Hypanus americanus

Key Differences

• Dusky Dolphin is Least Concern while Arraia is Near Threatened.

Taxonomic Classification

Rank	Dusky Dolphin	Arraia
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Mammalia (mamíferos)	Elasmobranchii
Order	Cetacea (Whales & Dolphins)	Myliobatiformes (Myliobatiformes)
Family	Delphinidae (Oceanic Dolphins)	Dasyatidae
Genus	Lagenorhynchus	Hypanus
Species	Lagenorhynchus obscurus	Hypanus americanus

Evolutionary Relationship

Dusky Dolphin and Arraia share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Dusky Dolphin

LC — Least Concern

Arraia

NT — Near Threatened

Physical Characteristics

Attribute	Dusky Dolphin	Arraia
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dusky Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Arraia

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

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