Ukrainian brook lamprey (Eudontomyzon mariae) fish species and information / pictures of Ukrainian brook lamprey - Eudontomyzon mariae

Ukrainian brook lamprey (Eudontomyzon mariae) fish species information

Scientific Name
Eudontomyzon mariae

Common Name
Ukrainian brook lamprey

Biology
Dorsal spines : 0; Dorsal soft rays : 0; Anal spines: 0; Anal soft rays: 0. WIth 62-73 trunk myomeres; trunk mottled in live ammocoetes older than 2.5 years. The caudal fin is dark grey to black in adults and ammocoetes older than 1.5 years. The shape of the caudal fin is spade-like.

Classification

Classified By

Berg, 1931

Class

Lampreys (Cephalaspidomorphi)

Order

Lampreys (Petromyzontiformes)

Family

Lampreys (Petromyzontidae)

Distribution

Region

Europe

Distribution

Europe: Drainages of the Baltic Sea , northern Black Sea , Aegean Sea , and Caspian Sea . One record in the upper Morava system .

Range

57°N - 41°N, 14°E - 49°E

Environment

Climate

Temperate

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

demersal

Environment

Freshwater; demersal; potamodromous

Trophic Level

3.4 s.e. 0.46 Based on size and trophs of closest relatives

Occurs in Marine / Salt water

False

Occurs in Brackish water

False

Occurs in Fresh Water

True

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

22.2 cm

Common Length

18.0 cm

Phylogenetic Diversity Index

PD50 = 0.5312 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: of no interest; bait: usually

Vulnerability

Low to moderate vulnerability (25 of 100)

Resilience

Low, minimum population doubling time 4.5 - 14 years (K=0.35-0.50; tm=8)

Threat To Humans

Harmless

IUCN Red List Status

Least Concern (LC)