Amazonian Marsh Rat vs Arrowspine dogfish

Holochilus sciureus compared with Centrophorus moluccensis

Key Differences

• Amazonian Marsh Rat is Least Concern while Arrowspine dogfish is Vulnerable.

Taxonomic Classification

Rank	Amazonian Marsh Rat	Arrowspine dogfish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Squaliformes (Squaliformes)
Family	Cricetidae	Centrophoridae
Genus	Holochilus	Centrophorus
Species	Holochilus sciureus	Centrophorus moluccensis

Evolutionary Relationship

Amazonian Marsh Rat and Arrowspine dogfish share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Amazonian Marsh Rat

LC — Least Concern

Arrowspine dogfish

VU — Vulnerable

Physical Characteristics

Attribute	Amazonian Marsh Rat	Arrowspine dogfish
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazonian Marsh Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Arrowspine dogfish

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

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

Amazonian Marsh Rat

The Amazonian Marsh Rat (Holochilus sciureus) is a species in the genus Holochilus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Arrowspine dogfish

The Arrowspine dogfish, Centrophorus moluccensis, is a species. It is currently assessed as vulnerable on the IUCN Red List. Native to Asia, inhabiting ecosystems characteristic of the region.