American brook lamprey

Blind and wormlike as ammocoetes or larvae, the american brook lamprey metamorphoses into a brown cylinder, almost 8 inches long.

The American brook lamprey lives in the demersal, freshwater, pH range: 6.8 - 7.5, dH range: 18 environment.

In 1987, the documented incidence of the American brook lamprey was a small number of spawning season collections in smaller streams in northeast Iowa (Harlan et al. More

American brook lamprey are the only nonparasitic lamprey found in New York State. Their disc-like mouths contain poorly developed teeth, useless for attaching to a host. Brook lamprey have long, wormlike bodies. Their dark skin is smooth and leathery and without scales. More

The nonparasitic American brook lamprey (Lampetra appendix) has a broad range throughout the Midwest. In Pennsylvania it lives in streams in the northern section of the Allegheny River watershed and in the Genesee River and Lake Erie watersheds. In body structure, lampreys are primitive fish. More

American brook lamprey haven't been found in Minnesota tributaries, they are abundant in other streams in the basin. Sea lamprey continue to plague Great Lakes fish but our native lampreys, even the parasitic ones, aren't bad, they're just ugly. More

structures of American brook lamprey larvae in several streams in southeastern Minnesota. Mean densities of lamprey larvae in the best habitats available in 13 streams varied from 0.33-5.78 larvae/m^sup 2^. More

American brook lamprey (not parasitic); found in the Red Cedar River & tributaries, Buffalo River, Trempealeau River, La Crosse River, Kickapoo River, Wisconsin River, Menominee River. More

and newly transformed adults of the American brook lamprey have been found in the Kankakee River along with comparable stages of the northern brook lamprey and the silver lamprey, suggesting that several lamprey species utilize the same spawning sites Distribution- The species is now rare and erratic More

American brook lamprey photoPhoto of American brook lampry mouth Globe icon indicates link to a non-NOAA site. More

Unlike the sea lamprey, the American brook lamprey is small and non-parasitic, and spends its entire life in fresh water. The brook lamprey has two distinct life stages. More

The American brook lamprey has 2 dorsal fins and a higher muscle band (myomere) count, usually 67-73, between the last gill opening and anus (Page and Burr 1991). More

Common names

American brook lamprey in English
Amerikanisches Neunauge in German (Deutsch)
Amerikansk bæklampret in Danish (dansk)
Brook lamprey in English
lamproie de l?est in French (français)
lamproie de l'est in French (français)
Mihule Lamottenova in Czech (česky)
Small black brook lamprey in English
溪七鰓鰻 in Mandarin Chinese
溪七鳃鳗 in Mandarin Chinese
美国楔齿七鳃鳗 in Mandarin Chinese
美國楔齒七鰓鰻 in Mandarin Chinese
美洲七鰓鰻 in Mandarin Chinese
美洲七鳃鳗 in Mandarin Chinese

Order : Petromyzontiformes
Family : Petromyzontidae
Genus : Lampetra
Species : Lampetra appendix
Authority : DeKay, 1842