Blacktail spurdog vs Neotropical otter

Squalus melanurus compared with Lontra longicaudis

Taxonomic Classification

Rank	Blacktail spurdog	Neotropical otter
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Squaliformes (Squaliformes)	Carnivora (Carnivorans)
Family	Squalidae	Mustelidae (Weasels & Otters)
Genus	Squalus	Lontra
Species	Squalus melanurus	Lontra longicaudis

Evolutionary Relationship

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

Conservation Status

Blacktail spurdog

DD — Data Deficient

Neotropical otter

DD — Data Deficient

Physical Characteristics

Attribute	Blacktail spurdog	Neotropical otter
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blacktail spurdog

Neotropical otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Blacktail spurdog

The Blacktail spurdog (Squalus melanurus) is a species in the genus Squalus. It is currently classified as Data Deficient on the IUCN Red List.