Guam Flying Fox vs River Lamprey

Pteropus tokudae compared with Lampetra ayresii

Key Differences

• Guam Flying Fox is Extinct while River Lamprey is Least Concern.

Taxonomic Classification

Rank	Guam Flying Fox	River Lamprey
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Petromyzonti (Petromyzonti)
Order	Chiroptera (Bats)	Petromyzontiformes (lamprey)
Family	Pteropodidae (Fruit Bats)	Petromyzontidae
Genus	Pteropus (Flying Foxes)	Lampetra
Species	Pteropus tokudae	Lampetra ayresii

Evolutionary Relationship

Guam Flying Fox and River Lamprey share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Guam Flying Fox

EX — Extinct

River Lamprey

LC — Least Concern

Physical Characteristics

Attribute	Guam Flying Fox	River Lamprey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Guam Flying Fox

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

River Lamprey