Bigelow's ray vs Giant Otter

Rajella bigelowi compared with Pteronura brasiliensis

Key Differences

• Bigelow's ray is Least Concern while Giant Otter is Endangered.

Taxonomic Classification

Rank	Bigelow's ray	Giant Otter
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Rajiformes (Rajiformes)	Carnivora (Carnivorans)
Family	Rajidae	Mustelidae (Weasels & Otters)
Genus	Rajella	Pteronura
Species	Rajella bigelowi	Pteronura brasiliensis

Evolutionary Relationship

Bigelow's ray and Giant Otter share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bigelow's ray

LC — Least Concern

Giant Otter

EN — Endangered

Physical Characteristics

Attribute	Bigelow's ray	Giant Otter
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bigelow's ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Found in Portugal.

Giant Otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Bigelow's ray

The Bigelow's ray (Rajella bigelowi) is a species in the genus Rajella. It is currently classified as Least Concern on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.