Lake Lamprey vs Miller’s Mastiff Bat

Entosphenus macrostomus compared with Molossus pretiosus

Key Differences

• Lake Lamprey is Endangered while Miller’s Mastiff Bat is Least Concern.

Taxonomic Classification

Rank	Lake Lamprey	Miller’s Mastiff Bat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Petromyzonti (Petromyzonti)	Mammalia (Mammals)
Order	Petromyzontiformes (lamprey)	Chiroptera (Bats)
Family	Petromyzontidae	Molossidae
Genus	Entosphenus	Molossus
Species	Entosphenus macrostomus	Molossus pretiosus

Evolutionary Relationship

Lake Lamprey and Miller’s Mastiff Bat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Lake Lamprey

EN — Endangered

Miller’s Mastiff Bat

LC — Least Concern

Physical Characteristics

Attribute	Lake Lamprey	Miller’s Mastiff Bat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Lake Lamprey

Miller’s Mastiff Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.