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Inland Water Biology

, Volume 12, Issue 1, pp 109–114 | Cite as

Physiological and Biochemical Parameters of Fingerlings of Native Carassius auratus gibelio (Bloch, 1792) and Invasive Perccottus glenii (Dybowski, 1877) Species of Fish in the Floodplain Lake Krugloye (Saratov Reservoir)

  • V. V. Khalko
  • E. V. ShemonaevEmail author
  • E. V. Kirilenko
  • N. A. Khalko
ECOLOGICAL PHYSIOLOGY AND BIOCHEMISTRY OF HYDROBIONTS
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Abstract

Using the example of Lake Krugloye (Mordovinskaya floodplain in the Saratov Reservoir), the changes in the physiological and biochemical parameters in two abundant fish species inhabiting the same biotopes have been comparatively analyzed. The fish under study are the aboriginal crucian carp (Carassius auratus gibelio) (Bloch, 1792) and the invasive Amur sleeper (Perccottus glenii) (Dybowski, 1877). The study reveals differences between the species in the patterns of the dynamics of body weight and contents of protein, fat, water, and caloric contents upon an increase in body length during various months of the active feeding period. Potential reasons for the differences and their consequences are discussed.

Keywords:

juvenile fish Amur sleeper crucian carp body length fat protein water caloric content 

Notes

ACKNOWLEDGMENTS

The present study was carried out as part of State Task no. AAAA-A18-118012690123-4.

COMPLIANCE WITH ETHICAL STANDARDS

Conflict of interests. The authors declare that they have no conflict of interest.

Statement on the welfare of animals. All applicable international, national, and/or institutional guidelines for the care and use of animals were followed.

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Copyright information

© Pleiades Publishing, Ltd. 2019

Authors and Affiliations

  • V. V. Khalko
    • 1
  • E. V. Shemonaev
    • 2
    • 3
    Email author
  • E. V. Kirilenko
    • 2
  • N. A. Khalko
    • 1
  1. 1.Papanin Institute for Biology of Inland Waters, Russian Academy of SciencesBorokRussia
  2. 2.Institute of Ecology of Volga Basin, Russian Academy of SciencesTolyattiRussia
  3. 3.Togliatti State UniversityTolyattiRussia

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