Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 2 of 2 for “"live-bearing fish"”.
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The Effects of Chronic Nitrite Exposure on Tissue Morphology and Physiology in Xiphophorus couchianus
… water nitrite concentrations can affect fish physiology. Moreover, there is a lack of current knowledge on how nitrite effects maternal health and, consequently, embryo health and development. Therefore, we used the live-bearing fish species Xiphophorus couchianus as a model organism to …
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Female preferences, paternity and fitness: A combined morphometric/molecular genetic study on Poecilia latipinna and Poecilia formosa
… from choosing the better mate. Female poeciliid fishes do show clear mate preferences for certain males although males in this highly promiscuous taxon only contribute sperm to reproduction. Thus, females do not receive any direct benefits post-mating. Here, I investigated the assumption that …