Buff-bellied Fat-tailed Mouse Opossum vs Ray

Thylamys venustus compared with Atlantoraja castelnaui

Key Differences

• Buff-bellied Fat-tailed Mouse Opossum is Data Deficient while Ray is Critically Endangered.

Taxonomic Classification

Rank	Buff-bellied Fat-tailed Mouse Opossum	Ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Didelphimorphia (Didelphimorphia)	Rajiformes (Rajiformes)
Family	Didelphidae	Arhynchobatidae
Genus	Thylamys	Atlantoraja
Species	Thylamys venustus	Atlantoraja castelnaui

Evolutionary Relationship

Buff-bellied Fat-tailed Mouse Opossum and Ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Buff-bellied Fat-tailed Mouse Opossum

DD — Data Deficient

Ray

CR — Critically Endangered

Physical Characteristics

Attribute	Buff-bellied Fat-tailed Mouse Opossum	Ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Buff-bellied Fat-tailed Mouse Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Ray

Buff-bellied Fat-tailed Mouse Opossum

The Buff-Bellied Fat-Tailed Mouse Opossum (Thylamys venustus) is a species in the genus Thylamys. It is currently classified as Data Deficient on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.