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First record of the alien invasive species rotan ( Perccottus glenii Dybowski, 1877) in Croatia

First record of the alien invasive species rotan ( Perccottus glenii Dybowski, 1877) in Croatia Introduction Some 35 exotic fish species from various continents have been introduced into European freshwaters ( Kottelat and Freyhof, 2007 ). A total of 15 exotic fish species now inhabit Croatian freshwaters ( Mrakovčić et al., 2006 ). Furthermore, in the past 10 years, upstream expansion of an invasive alien species of goby ( Neogobius sp.) has been noted in Croatian rivers of the Danube basin. Rotan ( Perccottus glenii ) is a species having no particular economic or sport value ( Reshetnikov, 2003 ). It is a typical limnophilic species with high tolerance to extreme abiotic conditions (wide temperature oscillations and oxygen concentrations) that prefers still waters with well‐developed aquatic vegetation and a silty substrate ( Hegediš et al., 2007 ). Its tolerance, opportunism and aggressive behaviour make the rotan a ‘perfect conqueror’. This in turn represents a grave danger for the native amphibian and fish fauna in terms of predation, competition and disease transmission ( Reshetnikov and Chibilev, 2009 ). The natural range of P. glenii comprises the far eastern part of Asia ( Bogutskaya and Naseka, 2002 ). In the 20th century rotan was introduced on multiple occasions into various parts of Asia and eastern http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Applied Ichthyology Wiley

First record of the alien invasive species rotan ( Perccottus glenii Dybowski, 1877) in Croatia

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References (13)

Publisher
Wiley
Copyright
© 2010 Blackwell Verlag, Berlin
ISSN
0175-8659
eISSN
1439-0426
DOI
10.1111/j.1439-0426.2010.01612.x
Publisher site
See Article on Publisher Site

Abstract

Introduction Some 35 exotic fish species from various continents have been introduced into European freshwaters ( Kottelat and Freyhof, 2007 ). A total of 15 exotic fish species now inhabit Croatian freshwaters ( Mrakovčić et al., 2006 ). Furthermore, in the past 10 years, upstream expansion of an invasive alien species of goby ( Neogobius sp.) has been noted in Croatian rivers of the Danube basin. Rotan ( Perccottus glenii ) is a species having no particular economic or sport value ( Reshetnikov, 2003 ). It is a typical limnophilic species with high tolerance to extreme abiotic conditions (wide temperature oscillations and oxygen concentrations) that prefers still waters with well‐developed aquatic vegetation and a silty substrate ( Hegediš et al., 2007 ). Its tolerance, opportunism and aggressive behaviour make the rotan a ‘perfect conqueror’. This in turn represents a grave danger for the native amphibian and fish fauna in terms of predation, competition and disease transmission ( Reshetnikov and Chibilev, 2009 ). The natural range of P. glenii comprises the far eastern part of Asia ( Bogutskaya and Naseka, 2002 ). In the 20th century rotan was introduced on multiple occasions into various parts of Asia and eastern

Journal

Journal of Applied Ichthyology – Wiley

Published: Feb 1, 2011

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