Blacktail spurdog vs Brown Slender Toad

Squalus melanurus compared with Ansonia leptopus

Key Differences

• Blacktail spurdog is Data Deficient while Brown Slender Toad is Least Concern.

Taxonomic Classification

Rank	Blacktail spurdog	Brown Slender Toad
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Amphibia (Amphibians)
Order	Squaliformes (Squaliformes)	Anura (Frogs & Toads)
Family	Squalidae	Bufonidae
Genus	Squalus	Ansonia
Species	Squalus melanurus	Ansonia leptopus

Evolutionary Relationship

Blacktail spurdog and Brown Slender Toad share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Blacktail spurdog

DD — Data Deficient

Brown Slender Toad

LC — Least Concern

Physical Characteristics

Attribute	Blacktail spurdog	Brown Slender Toad
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blacktail spurdog

Brown Slender Toad

Habitat

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

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.

Brown Slender Toad

The Brown Slender Toad (Ansonia leptopus) is a species in the genus Ansonia. It is currently classified as Least Concern on the IUCN Red List. Typically found in freshwater habitats, moist forests, and wetlands.