Amazon Black Howler vs Brownband Numbfish

Alouatta nigerrima compared with Diplobatis guamachensis

Key Differences

• Amazon Black Howler is Least Concern while Brownband Numbfish is Vulnerable.

Taxonomic Classification

Rank	Amazon Black Howler	Brownband Numbfish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Primates (Primates)	Torpediniformes (electric ray)
Family	Atelidae	Narcinidae
Genus	Alouatta	Diplobatis
Species	Alouatta nigerrima	Diplobatis guamachensis

Evolutionary Relationship

Amazon Black Howler and Brownband Numbfish share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Amazon Black Howler

LC — Least Concern

Brownband Numbfish

VU — Vulnerable

Physical Characteristics

Attribute	Amazon Black Howler	Brownband Numbfish
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Brownband Numbfish

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.

Amazon Black Howler

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.

Brownband Numbfish

The Brownband Numbfish (Diplobatis guamachensis) is a species in the genus Diplobatis. It is currently classified as Vulnerable on the IUCN Red List. Native to South America, inhabiting ecosystems characteristic of the region.