Bigeye thresher vs Napo Slender-legged Treefrog

Alopias pelagicus compared with Osteocephalus fuscifacies

Key Differences

• Bigeye thresher is Endangered while Napo Slender-legged Treefrog is Least Concern.

Taxonomic Classification

Rank	Bigeye thresher	Napo Slender-legged Treefrog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Amphibia (Amphibians)
Order	Lamniformes (Mackerel Sharks)	Anura (Frogs & Toads)
Family	Alopiidae	Hylidae
Genus	Alopias	Osteocephalus
Species	Alopias pelagicus	Osteocephalus fuscifacies

Evolutionary Relationship

Bigeye thresher and Napo Slender-legged Treefrog share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bigeye thresher

EN — Endangered

Napo Slender-legged Treefrog

LC — Least Concern

Physical Characteristics

Attribute	Bigeye thresher	Napo Slender-legged Treefrog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bigeye thresher

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Range

Distributed across Colombia and Taiwan. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Napo Slender-legged Treefrog

Habitat

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

Bigeye thresher

The Bigeye thresher (Alopias pelagicus) is a species in the genus Alopias. It is currently classified as Endangered on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.