Far Eastern Brook Lamprey vs Gray-shanked Douc Langur

Lethenteron reissneri compared with Pygathrix cinerea

Key Differences

• Far Eastern Brook Lamprey is Least Concern while Gray-shanked Douc Langur is Critically Endangered.

Taxonomic Classification

Rank	Far Eastern Brook Lamprey	Gray-shanked Douc 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	Lethenteron	Pygathrix
Species	Lethenteron reissneri	Pygathrix cinerea

Evolutionary Relationship

Far Eastern Brook Lamprey and Gray-shanked Douc Langur share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Far Eastern Brook Lamprey

LC — Least Concern

Gray-shanked Douc Langur

CR — Critically Endangered

Physical Characteristics

Attribute	Far Eastern Brook Lamprey	Gray-shanked Douc Langur
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Far Eastern Brook Lamprey

Gray-shanked Douc Langur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.