Ukrainian Brook Lamprey

Petromyzon branchialis (Linnaeus).

Petromyzon branchialis, Head Seen from Below.

Larval Form of Petromyzon branchialis, Formerly Known as Ammocoetes.

Description: English: The larva of the Ukrainian brook lamprey (Eudontomyzon mariae) from the Ubort River, Ukraine Українська: Личинка міноги української (Eudontomyzon mariae) з річки Уборть, Україна. Date: 23 August 2011. Source: Own work. Author: Mykola Scherbatyuk.

Description: English: Head of young lamprey Eudontomyzon mariae (Ubort River, Ukraine). Pineal complex (unpaired eyes) is seen as white spot behind of nostril Русский: Голова личинки миноги Eudontomyzon mariae (река Уборть, Украина). Яркое пятно за ноздрёй — пинеальный комплекс (непарные глаза). Date: 1 March 2013, 02:51:23. Source: a fragment of Eudontomyzon mariae.JPG. Author: Mykola Scherbatyuk.