brook lamprey vs Delacour's langur

Lampetra planeri compared with Trachypithecus delacouri

Key Differences

• brook lamprey is Vulnerable while Delacour's langur is Critically Endangered.

Taxonomic Classification

Rank	brook lamprey	Delacour's langur
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Petromyzonti (Petromyzonti)	Mammalia (Mammals)
Order	Petromyzontiformes (lamprey)	Primates (Primates)
Family	Petromyzontidae	Cercopithecidae (Old World Monkeys)
Genus	Lampetra	Trachypithecus
Species	Lampetra planeri	Trachypithecus delacouri

Evolutionary Relationship

brook lamprey and Delacour's langur share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

brook lamprey

VU — Vulnerable

Delacour's langur

CR — Critically Endangered

Physical Characteristics

Attribute	brook lamprey	Delacour's langur
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

brook lamprey

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

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

Delacour's langur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

brook lamprey

The Brook Lamprey (Lampetra planeri) is a species in the genus Lampetra. It is currently classified as Vulnerable on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.