Leopard-spotted swellshark vs Olive-gray Thomasomys

Cephaloscyllium fasciatum compared with Thomasomys cinereus

Key Differences

• Leopard-spotted swellshark is Critically Endangered while Olive-gray Thomasomys is Least Concern.

Taxonomic Classification

Rank	Leopard-spotted swellshark	Olive-gray Thomasomys
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Mammalia (Mammals)
Order	Carcharhiniformes (Ground Sharks)	Rodentia (Rodents)
Family	Scyliorhinidae	Cricetidae
Genus	Cephaloscyllium	Thomasomys
Species	Cephaloscyllium fasciatum	Thomasomys cinereus

Evolutionary Relationship

Leopard-spotted swellshark and Olive-gray Thomasomys share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Leopard-spotted swellshark

CR — Critically Endangered

Olive-gray Thomasomys

LC — Least Concern

Physical Characteristics

Attribute	Leopard-spotted swellshark	Olive-gray Thomasomys
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Leopard-spotted swellshark

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Indomalayan biogeographic realm.

Range

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

Olive-gray Thomasomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.