Bay-shark vs Guaira Spiny-rat

Carcharhinus obscurus compared with Proechimys guairae

Key Differences

• Bay-shark is Endangered while Guaira Spiny-rat is Least Concern.

Taxonomic Classification

Rank	Bay-shark	Guaira Spiny-rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Mammalia (Mammals)
Order	Carcharhiniformes (Ground Sharks)	Rodentia (Rodents)
Family	Carcharhinidae	Echimyidae
Genus	Carcharhinus	Proechimys
Species	Carcharhinus obscurus	Proechimys guairae

Evolutionary Relationship

Bay-shark and Guaira Spiny-rat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bay-shark

EN — Endangered

Guaira Spiny-rat

LC — Least Concern

Physical Characteristics

Attribute	Bay-shark	Guaira Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bay-shark

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate grasslands and steppes, and montane grasslands and shrublands, among 5 distinct biome types within the Neotropic biogeographic realm.

Range

Distributed across Chile, Taiwan, and Venezuela. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Guaira Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Bay-shark

The Bay-shark (Carcharhinus obscurus) is a species in the genus Carcharhinus. It is currently classified as Endangered on the IUCN Red List. Found across multiple habitat types including temperate broadleaf and mixed forests, temperate grasslands and steppes, and montane grasslands and shrublands, among 5 distinct biome types within the Neotropic biogeographic realm.

Shared Countries

Both species can be found in 1 countries:

🇻🇪 Venezuela