|Scientific Name:||Eudontomyzon mariae|
|Species Authority:||(Berg, 1931)|
|Red List Category & Criteria:||Least Concern ver 3.1|
|Reviewer(s):||Kottelat, M. & Smith, K.|
A widespread species and abundant in Poland and Ukraine. However it is suspected to be undergoing a slow population decline with recent and on-going economic development, but not at a rate to qualify for a threatened or Near Threatened category.
European Union 27 = LC. Same rationale as above.
|Range Description:||Tributaries of Baltic (Odra, Vistula, Neman drainages), northern Black (Danube to Kuban drainages) and Caspian Seas (River Sura, Volga drainage). In Danube, restricted to tributaries below Iron Gate; a single record from upper Morava system (Czechia).|
Native:Austria; Belarus; Bulgaria; Croatia; Czech Republic; Hungary; Latvia; Lithuania; Macedonia, the former Yugoslav Republic of; Moldova; Montenegro; Poland; Romania; Russian Federation; Serbia (Serbia); Slovakia; Slovenia; Ukraine
|Range Map:||Click here to open the map viewer and explore range.|
|Population:||Abundant in Poland and Ukraine, but suspected to be gradually declining overall.|
|Habitat and Ecology:||
Lowland, piedmont and montane zones in clear, well oxygenated brooks. Ammocoetes in detritus-rich sands or clay sediments.
Non-predatory, freshwater resident. Ammocoetes stage lasts 3.5-4.5 years. Feeds on detritus and micro-organisms, metamorphoses in September-December, overwinters and spawns in late April-early May, later at higher elevations, when temperatures reach 11-16°C. Spawning individuals cease their normal daylight avoidance reaction and reproduce on sunny days. Males dig a shallow nest in habitats with moderate current. Spawners form aggregations. Dies after spawning.
|Major Threat(s):||Locally threatened by damming in headwaters and pollution.|
|Conservation Actions:||No information available.|
|Citation:||Freyhof, J. 2013. Eudontomyzon mariae. The IUCN Red List of Threatened Species. Version 2015.2. <www.iucnredlist.org>. Downloaded on 02 August 2015.|
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