Neotropical otter vs Sparsetooth dogfish

Lontra longicaudis compared with Scymnodalatias oligodon

Key Differences

• Neotropical otter is Data Deficient while Sparsetooth dogfish is Least Concern.

Taxonomic Classification

Rank	Neotropical otter	Sparsetooth dogfish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Carnivora (Carnivorans)	Squaliformes (Squaliformes)
Family	Mustelidae (Weasels & Otters)	Somniosidae
Genus	Lontra	Scymnodalatias
Species	Lontra longicaudis	Scymnodalatias oligodon

Evolutionary Relationship

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

Conservation Status

Neotropical otter

DD — Data Deficient

Sparsetooth dogfish

LC — Least Concern

Physical Characteristics

Attribute	Neotropical otter	Sparsetooth dogfish
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.

Sparsetooth dogfish

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Chile.