Johan s Spiny Mouse vs Leopard-spotted swellshark

Acomys johannis compared with Cephaloscyllium fasciatum

Key Differences

• Johan s Spiny Mouse is Least Concern while Leopard-spotted swellshark is Critically Endangered.

Taxonomic Classification

Rank	Johan s Spiny Mouse	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	Muridae (Mice & Rats)	Scyliorhinidae
Genus	Acomys	Cephaloscyllium
Species	Acomys johannis	Cephaloscyllium fasciatum

Evolutionary Relationship

Johan s Spiny Mouse and Leopard-spotted swellshark share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Johan s Spiny Mouse

LC — Least Concern

Leopard-spotted swellshark

CR — Critically Endangered

Physical Characteristics

Attribute	Johan s Spiny Mouse	Leopard-spotted swellshark
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Johan s Spiny Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.