Black-shouldered Opossum vs Leatherback Sea Turtle

Caluromysiops irrupta compared with Dermochelys coriacea

Key Differences

• Black-shouldered Opossum is Least Concern while Leatherback Sea Turtle is Vulnerable.

Taxonomic Classification

Rank	Black-shouldered Opossum	Leatherback Sea Turtle
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Reptilia (สัตว์เลื้อยคลาน)
Order	Didelphimorphia (Didelphimorphia)	Testudines (เต่า)
Family	Didelphidae	Cheloniidae (Sea Turtles)
Genus	Caluromysiops	Chelonia (Green Sea Turtles)
Species	Caluromysiops irrupta	Dermochelys coriacea

Evolutionary Relationship

Black-shouldered Opossum and Leatherback Sea Turtle share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Black-shouldered Opossum

LC — Least Concern

Leatherback Sea Turtle

VU — Vulnerable

Population: ~35.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Black-shouldered Opossum	Leatherback Sea Turtle
Diet	—	Carnivore
Average Lifespan	—	50 years
Average Length	—	2.0 m
Average Weight	—	500.0 kg

Habitat & Geographic Range

Black-shouldered Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

Leatherback Sea Turtle

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 5 distinct biome types spanning the Australasia and Indomalayan and Neotropic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Costa Rica, Indonesia, Malaysia, and Trinidad and Tobago. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Black-shouldered Opossum

The Black-shouldered Opossum (Caluromysiops irrupta) is a species in the genus Caluromysiops. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Leatherback Sea Turtle

The leatherback is the largest living turtle and the fourth-heaviest reptile. Unlike other turtles, it has a soft, leathery shell.