Dusky melanomys vs Leopard-spotted swellshark

Melanomys caliginosus compared with Cephaloscyllium fasciatum

Key Differences

• Dusky melanomys is Least Concern while Leopard-spotted swellshark is Critically Endangered.

Taxonomic Classification

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

Evolutionary Relationship

Dusky melanomys and Leopard-spotted swellshark share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dusky melanomys

LC — Least Concern

Leopard-spotted swellshark

CR — Critically Endangered

Physical Characteristics

Attribute	Dusky melanomys	Leopard-spotted swellshark
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dusky melanomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

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.