Guariba Preta vs Arraia-beiço-de-boi

Alouatta nigerrima compared with Myliobatis goodei

Key Differences

• Guariba Preta is Least Concern while Arraia-beiço-de-boi is Vulnerable.

Taxonomic Classification

Rank	Guariba Preta	Arraia-beiço-de-boi
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Mammalia (mamíferos)	Elasmobranchii
Order	Primates (primatas)	Myliobatiformes (Myliobatiformes)
Family	Atelidae	Myliobatidae
Genus	Alouatta	Myliobatis
Species	Alouatta nigerrima	Myliobatis goodei

Evolutionary Relationship

Guariba Preta and Arraia-beiço-de-boi share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Guariba Preta

LC — Least Concern

Arraia-beiço-de-boi

VU — Vulnerable

Physical Characteristics

Attribute	Guariba Preta	Arraia-beiço-de-boi
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Guariba Preta

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Arraia-beiço-de-boi

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.

Guariba Preta

The Amazon Black Howler (Alouatta nigerrima) is a species in the genus Alouatta. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.