Niceforo Maria’s Oldfield Mouse vs silky shark

Thomasomys nicefori compared with Carcharhinus falciformis

Key Differences

• Niceforo Maria’s Oldfield Mouse is Least Concern while silky shark is Vulnerable.

Taxonomic Classification

Rank	Niceforo Maria’s Oldfield Mouse	silky shark
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Chondrichthyes (Cartilaginous Fish)
Order	Rodentia (Rodents)	Carcharhiniformes (Ground Sharks)
Family	Cricetidae	Carcharhinidae
Genus	Thomasomys	Carcharhinus
Species	Thomasomys nicefori	Carcharhinus falciformis

Evolutionary Relationship

Niceforo Maria’s Oldfield Mouse and silky shark share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Niceforo Maria’s Oldfield Mouse

LC — Least Concern

silky shark

VU — Vulnerable

Physical Characteristics

Attribute	Niceforo Maria’s Oldfield Mouse	silky shark
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Niceforo Maria’s Oldfield Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

silky shark

Habitat

Found across multiple habitat types including temperate coniferous forests, flooded grasslands and savannas, and Mediterranean forests and woodlands, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

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