Johan s Spiny Mouse vs river lamprey, lampern

Acomys johannis compared with Lampetra fluviatilis

Key Differences

• Johan s Spiny Mouse is Least Concern while river lamprey, lampern is Vulnerable.

Taxonomic Classification

Rank	Johan s Spiny Mouse	river lamprey, lampern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Petromyzonti (Petromyzonti)
Order	Rodentia (Rodents)	Petromyzontiformes (lamprey)
Family	Muridae (Mice & Rats)	Petromyzontidae
Genus	Acomys	Lampetra
Species	Acomys johannis	Lampetra fluviatilis

Evolutionary Relationship

Johan s Spiny Mouse and river lamprey, lampern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Johan s Spiny Mouse

LC — Least Concern

river lamprey, lampern

VU — Vulnerable

Physical Characteristics

Attribute	Johan s Spiny Mouse	river lamprey, lampern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Johan s Spiny Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

river lamprey, lampern

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United Kingdom. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.