Neotropical otter vs undulate ray

Lontra longicaudis compared with Raja undulata

Key Differences

• Neotropical otter is Data Deficient while undulate ray is Endangered.

Taxonomic Classification

Rank	Neotropical otter	undulate ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Carnivora (Carnivorans)	Rajiformes (Rajiformes)
Family	Mustelidae (Weasels & Otters)	Rajidae
Genus	Lontra	Raja
Species	Lontra longicaudis	Raja undulata

Evolutionary Relationship

Neotropical otter and undulate ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Neotropical otter

DD — Data Deficient

undulate ray

EN — Endangered

Physical Characteristics

Attribute	Neotropical otter	undulate ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Neotropical otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

undulate ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Found in Belgium. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.