Alston s Cotton Rat vs Marbled catshark

Sigmodon alstoni compared with Hemiscyllium trispeculare

Taxonomic Classification

Rank	Alston s Cotton Rat	Marbled catshark
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Orectolobiformes (Orectolobiformes)
Family	Cricetidae	Hemiscylliidae
Genus	Sigmodon	Hemiscyllium
Species	Sigmodon alstoni	Hemiscyllium trispeculare

Evolutionary Relationship

Alston s Cotton Rat and Marbled catshark share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Alston s Cotton Rat

LC — Least Concern

Marbled catshark

LC — Least Concern

Physical Characteristics

Attribute	Alston s Cotton Rat	Marbled catshark
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alston s Cotton Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Marbled catshark

Alston s Cotton Rat

The Alston s Cotton Rat (Sigmodon alstoni) is a species in the genus Sigmodon. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems. Distributed across Colombia and Venezuela.