Bartail spurdog vs Caribbean Nurse Frog

Squalus notocaudatus compared with Allobates caribe

Key Differences

• Bartail spurdog is Least Concern while Caribbean Nurse Frog is Critically Endangered.

Taxonomic Classification

Rank	Bartail spurdog	Caribbean Nurse Frog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Amphibia (Amphibians)
Order	Squaliformes (Squaliformes)	Anura (Frogs & Toads)
Family	Squalidae	Aromobatidae
Genus	Squalus	Allobates
Species	Squalus notocaudatus	Allobates caribe

Evolutionary Relationship

Bartail spurdog and Caribbean Nurse Frog share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bartail spurdog

LC — Least Concern

Caribbean Nurse Frog

CR — Critically Endangered

Physical Characteristics

Attribute	Bartail spurdog	Caribbean Nurse Frog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bartail spurdog

Caribbean Nurse Frog

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 6 distinct biome types within the Neotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Venezuela. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Bartail spurdog

The Bartail spurdog (Squalus notocaudatus) is a species in the genus Squalus. It is currently classified as Least Concern on the IUCN Red List.

Caribbean Nurse Frog

The Caribbean Nurse Frog (Allobates caribe) is a species in the genus Allobates. It is currently classified as Critically Endangered (CR) on the IUCN Red List. Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 6 distinct biome types within the Ne