Environmentally induced shift in reproductive traits of a long-term established population of topmouth gudgeon (Pseudorasbora parva)
Summary Topmouth gudgeon (Pseudorasbora parva) is one of the most invasive organisms in recent times. It can spread very quickly due to its attributes, which predetermine its success in novel environments. One source of these attributes appears to be phenotypic plasticity. The reproductive parameter...
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Published in | Journal of applied ichthyology Vol. 29; no. 1; pp. 218 - 220 |
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Main Authors | , |
Format | Journal Article |
Language | English |
Published |
Berlin
Blackwell Publishing Ltd
01.02.2013
Wiley Subscription Services, Inc |
Subjects | |
Online Access | Get full text |
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Summary: | Summary
Topmouth gudgeon (Pseudorasbora parva) is one of the most invasive organisms in recent times. It can spread very quickly due to its attributes, which predetermine its success in novel environments. One source of these attributes appears to be phenotypic plasticity. The reproductive parameters of a long‐term established population from a stable habitat exposed to a strong disturbance were the subject of the present study. The results supported the prediction that such a strong disturbance will increase the absolute number of oocytes and decrease their size significantly. Of course, changes in life‐history can be observed in any species of fish, regardless of whether the disturbance occurs in a native or an introduced habitat. However, the hypothesis of alternative ontogenies and invasive potential presumes that the wider the range between the most generalized and the most specialized phenotypes that a species can generate, the wider is its invasive potential. The observed shift in reproductive traits demonstrates the high phenotypic plasticity of topmouth gudgeon. |
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Bibliography: | istex:2BE4D578F5DBCDCF8E1326DE16FD61D37FB1B0F0 ark:/67375/WNG-NN0H1XP2-8 Agency for Science and Research - No. LPP-0154-09 ArticleID:JAI12039 ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 |
ISSN: | 0175-8659 1439-0426 |
DOI: | 10.1111/jai.12039 |