Cuckoo ray vs Giant Otter

Leucoraja circularis compared with Pteronura brasiliensis

Key Differences

• Cuckoo ray is Not Evaluated while Giant Otter is Endangered.

Taxonomic Classification

Rank	Cuckoo 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	Leucoraja	Pteronura
Species	Leucoraja circularis	Pteronura brasiliensis

Evolutionary Relationship

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

Conservation Status

Cuckoo ray

NE — Not Evaluated

Giant Otter

EN — Endangered

Physical Characteristics

Attribute	Cuckoo ray	Giant Otter
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cuckoo ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark and Norway.

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.