Guariba Preta vs Spotted Ray

Alouatta nigerrima compared with Bathyraja albomaculata

Key Differences

• Guariba Preta is Least Concern while Spotted Ray is Vulnerable.

Taxonomic Classification

Rank	Guariba Preta	Spotted Ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Mammalia (mamíferos)	Elasmobranchii
Order	Primates (primatas)	Rajiformes (Rajiformes)
Family	Atelidae	Arhynchobatidae
Genus	Alouatta	Bathyraja
Species	Alouatta nigerrima	Bathyraja albomaculata

Evolutionary Relationship

Guariba Preta and Spotted Ray share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Guariba Preta

LC — Least Concern

Spotted Ray

VU — Vulnerable

Physical Characteristics

Attribute	Guariba Preta	Spotted Ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Guariba Preta

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Spotted Ray

Habitat

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

Range

Found in Chile. 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.