<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>The lake minnow, <italic>Eupallasella percnurus</italic> (Pall.), has a vast distribution range which extends from Poland to the Chukchi Peninsula, Sakhalin, Hokkaido, and Korea. This area and its adjacent regions are inhabited by an array of other minnow species which are morphologically close to the lake minnow and are currently included in the genera <italic>Phoxinus</italic> and <italic>Rhynchocypris</italic>. However, their systematic relationships remain largely obscure. The vast distribution range of the species, including numerous river systems divided by many mountain ranges that provide it with a very diverse and rich hydrographic and glaciological history, favors the evolution of locally differentiated forms. As a result, five subspecies have been distinguished within the lake minnow: <italic>E. p. percnurus; E. p. stagnalis; E. p. ignatowi; E. p. mantschuricus; E. p. sachalinensis</italic>. Because of great morphological variation, their status is still the subject of debate. The most recent morphological studies suggest a separate specific status of the Volga minnow <italic>E. p. stagnalis</italic>.</p></abstract>

The lake minnow, Eupallasella percnurus (Pall.), has a vast distribution range which extends from Poland to the Chukchi Peninsula, Sakhalin, Hokkaido, and Korea. This area and its adjacent regions are inhabited by an array of other minnow species which are morphologically close to the lake minnow and are currently included in the genera Phoxinus and Rhynchocypris. However, their systematic relationships remain largely obscure. The vast distribution range of the species, including numerous river systems divided by many mountain ranges that provide it with a very diverse and rich hydrographic and glaciological history, favors the evolution of locally differentiated forms. As a result, five subspecies have been distinguished within the lake minnow: E. p. percnurus; E. p. stagnalis; E. p. ignatowi; E. p. mantschuricus; E. p. sachalinensis. Because of great morphological variation, their status is still the subject of debate. The most recent morphological studies suggest a separate specific status of the Volga minnow E. p. stagnalis.

On the variation and distribution of the lake minnow, <italic>Eupallasella percnurus</italic> (Pall.)

Zoological Institute, University of Wrocław, Sienkiewicza 21, 50-335 Wrocław, Poland

Fisheries & Aquatic Life

On the variation and distribution of the lake minnow,  (Pall.)

The lake minnow, Eupallasella percnurus (Pall.), has a vast distribution range which extends from Poland to the Chukchi Peninsula, Sakhalin, Hokkaido, and...

On the variation and distribution of the lake minnow, Eupallasella percnurus (Pall.)

Pubblicato online: 19 dic 2011

Pagine: 161 - 166

DOI: https://doi.org/10.2478/v10086-011-0020-9

Parole chiave
lake minnow, variation, distribution, morphology, systematics

This content is open access.