Bighead spurdog vs Montane Colilargo

Squalus bucephalus compared with Microryzomys minutus

Key Differences

• Bighead spurdog is Data Deficient while Montane Colilargo is Least Concern.

Taxonomic Classification

Rank	Bighead spurdog	Montane Colilargo
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Squaliformes (Squaliformes)	Rodentia (Rodents)
Family	Squalidae	Cricetidae
Genus	Squalus	Microryzomys
Species	Squalus bucephalus	Microryzomys minutus

Evolutionary Relationship

Bighead spurdog and Montane Colilargo share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bighead spurdog

DD — Data Deficient

Montane Colilargo

LC — Least Concern

Physical Characteristics

Attribute	Bighead spurdog	Montane Colilargo
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bighead spurdog

Montane Colilargo

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Bighead spurdog

The Bighead spurdog (Squalus bucephalus) is a species in the genus Squalus.