Lemon shark vs Pacific Spiny-rat

Negaprion brevirostris compared with Proechimys decumanus

Key Differences

• Lemon shark is Vulnerable while Pacific Spiny-rat is Near Threatened.

Taxonomic Classification

Rank	Lemon shark	Pacific 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	Negaprion	Proechimys
Species	Negaprion brevirostris	Proechimys decumanus

Evolutionary Relationship

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

Conservation Status

Lemon shark

VU — Vulnerable

Pacific Spiny-rat

NT — Near Threatened

Physical Characteristics

Attribute	Lemon shark	Pacific Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Lemon shark

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Range

Found in Venezuela. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Pacific Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.