Arraia vs Cow-nosed ray

Rhinoptera bonasus compared with Rhinoptera steindachneri

Key Differences

• Arraia is Vulnerable while Cow-nosed ray is Near Threatened.

Taxonomic Classification

Rank	Arraia	Cow-nosed ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Elasmobranchii	Elasmobranchii
Order same	Myliobatiformes (Myliobatiformes)	Myliobatiformes (Myliobatiformes)
Family same	Myliobatidae	Myliobatidae
Genus same	Rhinoptera	Rhinoptera
Species	Rhinoptera bonasus	Rhinoptera steindachneri

Evolutionary Relationship

Arraia and Cow-nosed ray share a common ancestor at the Genus level: Rhinoptera.

Conservation Status

Arraia

VU — Vulnerable

Cow-nosed ray

NT — Near Threatened

Physical Characteristics

Attribute	Arraia	Cow-nosed ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arraia

Habitat

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

Range

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

Cow-nosed ray

Habitat

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

Range

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