Lesser guitarfish vs Merriam’s Pocket Mouse

Zapteryx brevirostris compared with Perognathus merriami

Key Differences

• Lesser guitarfish is Endangered while Merriam’s Pocket Mouse is Least Concern.

Taxonomic Classification

Rank	Lesser guitarfish	Merriam’s Pocket Mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Rhinopristiformes (Rhinopristiformes)	Rodentia (Rodents)
Family	Rhinobatidae	Heteromyidae
Genus	Zapteryx	Perognathus
Species	Zapteryx brevirostris	Perognathus merriami

Evolutionary Relationship

Lesser guitarfish and Merriam’s Pocket Mouse share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Lesser guitarfish

EN — Endangered

Merriam’s Pocket Mouse

LC — Least Concern

Physical Characteristics

Attribute	Lesser guitarfish	Merriam’s Pocket Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Lesser guitarfish

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.