Neotropical otter vs Smith's Thorius

Lontra longicaudis compared with Thorius smithi

Key Differences

• Neotropical otter is Data Deficient while Smith's Thorius is Critically Endangered.

Taxonomic Classification

Rank	Neotropical otter	Smith's Thorius
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Carnivora (Carnivorans)	Caudata (Caudata)
Family	Mustelidae (Weasels & Otters)	Plethodontidae
Genus	Lontra	Thorius
Species	Lontra longicaudis	Thorius smithi

Evolutionary Relationship

Neotropical otter and Smith's Thorius share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Neotropical otter

DD — Data Deficient

Smith's Thorius

CR — Critically Endangered

Physical Characteristics

Attribute	Neotropical otter	Smith's Thorius
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.

Smith's Thorius

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

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