Alaskan Brook Lamprey vs Far Eastern Brook Lamprey

Lethenteron alaskense compared with Lethenteron reissneri

Key Differences

• Alaskan Brook Lamprey is Data Deficient while Far Eastern Brook Lamprey is Least Concern.

Taxonomic Classification

Rank	Alaskan Brook Lamprey	Far Eastern Brook Lamprey
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class same	Petromyzonti (Petromyzonti)	Petromyzonti (Petromyzonti)
Order same	Petromyzontiformes (ปลาแลมป์เพรย์)	Petromyzontiformes (ปลาแลมป์เพรย์)
Family same	Petromyzontidae	Petromyzontidae
Genus same	Lethenteron	Lethenteron
Species	Lethenteron alaskense	Lethenteron reissneri

Evolutionary Relationship

Alaskan Brook Lamprey and Far Eastern Brook Lamprey share a common ancestor at the Genus level: Lethenteron.

Conservation Status

Alaskan Brook Lamprey

DD — Data Deficient

Far Eastern Brook Lamprey

LC — Least Concern

Physical Characteristics

Attribute	Alaskan Brook Lamprey	Far Eastern Brook Lamprey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Alaskan Brook Lamprey

The Alaskan Brook Lamprey (Lethenteron alaskense) is a species in the genus Lethenteron. Its conservation status is listed as Data Deficient, indicating insufficient data for assessment.