Eudontomyzon vladykovi Oliva & Zanandrea, 1959
Danubian brook lamprey
Eudontomyzon vladykovi
photo by Freyhof, J.

Family:  Petromyzontidae (Northern lampreys), subfamily: Lampetrinae
Max. size:  21.2 cm TL (male/unsexed)
Environment:  demersal; freshwater
Distribution:  Europe: Upper and middle Danube drainage: Sava, Drava systems and west Drava tributaries; lower Danube drainage. Locally present in Timis and Olt systems. Not recorded from Tisza and Cerna systems.
Diagnosis:  Dorsal spines (total): 0-0; Dorsal soft rays (total): 0-0. With 61 - 67 trunk myomeres; trunk not mottled in live ammocoetes. The caudal fin is hyaline, of a spade-like shape.
Biology:  Adults inhabit clear, well-oxygenated brooks in piedmont and mountain zones. They are non-parasitic and remain in freshwater. Ammocoetes live in detritus-rich sands or clay sediments. Ammocoete stage lasts 3.5-4.5 years. Ammocoetes feed on detritus and micro-organisms. They metamorphose in July - September and spawn in March - May. Males dig shallow nests in habitats with moderate currents (Ref. 59043). Males and females die after spawning.
IUCN Red List Status: Least Concern (LC); Date assessed: 01 January 2008 Ref. (130435)
Threat to humans:  harmless


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