Blacktail spurdog vs Blue-Spotted Salamander

Squalus melanurus compared with Ambystoma laterale

Key Differences

• Blacktail spurdog is Data Deficient while Blue-Spotted Salamander is Least Concern.

Taxonomic Classification

Rank	Blacktail spurdog	Blue-Spotted Salamander
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Amphibia (Amphibians)
Order	Squaliformes (Squaliformes)	Caudata (Caudata)
Family	Squalidae	Ambystomatidae
Genus	Squalus	Ambystoma
Species	Squalus melanurus	Ambystoma laterale

Evolutionary Relationship

Blacktail spurdog and Blue-Spotted Salamander share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Blacktail spurdog

DD — Data Deficient

Blue-Spotted Salamander

LC — Least Concern

Physical Characteristics

Attribute	Blacktail spurdog	Blue-Spotted Salamander
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blacktail spurdog

Blue-Spotted Salamander

Habitat

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

Range

Found in United States.

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.

Blue-Spotted Salamander

The Blue-Spotted Salamander (Ambystoma laterale) is a species in the genus Ambystoma. It is currently classified as Least Concern on the IUCN Red List. Typically found in freshwater habitats, moist forests, and wetlands.