Arboreal salamander vs Bighead spurdog

Aneides lugubris compared with Squalus bucephalus

Key Differences

• Arboreal salamander is Least Concern while Bighead spurdog is Data Deficient.

Taxonomic Classification

Rank	Arboreal salamander	Bighead spurdog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Amphibia (Amphibians)	Elasmobranchii
Order	Caudata (Caudata)	Squaliformes (Squaliformes)
Family	Plethodontidae	Squalidae
Genus	Aneides	Squalus
Species	Aneides lugubris	Squalus bucephalus

Evolutionary Relationship

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

Conservation Status

Arboreal salamander

LC — Least Concern

Bighead spurdog

DD — Data Deficient

Physical Characteristics

Attribute	Arboreal salamander	Bighead spurdog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arboreal salamander

Habitat

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

Range

Found in Mexico.

Bighead spurdog

Arboreal salamander

The Arboreal salamander (Aneides lugubris) is a species in the genus Aneides. It is currently classified as Least Concern on the IUCN Red List. Typically found in freshwater habitats, moist forests, and wetlands.

Bighead spurdog

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