Comparative movements of four large fish species in a lowland river

John Koehn, Simon Nicol

    Research output: Contribution to journalArticle

    9 Citations (Scopus)
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    Abstract

    A multi-year radio-telemetry data set was used to comparatively examine the concurrent movements of the adults of three large-bodied Australian native freshwater fishes (Murray cod Maccullochella peelii, trout cod Maccullochella macquariensis and golden perch Macquaria ambigua) and the introduced carp Cyprinus carpio. The study was conducted over a reach scale in the regulated Murray River in south-eastern Australia. Differences were identified in the movements among these species. The predominant behaviour was the use of small movements (1km) did occur, the frequency varied considerably among species. Large-scale movements were least evident for M. macquariensis and more common for M. ambigua and C. carpio with these two species also having a greater propensity to change locations. Macquaria ambigua displayed the largest movements and more M. ambigua moved on a 'continual' basis. Although a degree of site fidelity was evident for all species, the highest levels were exhibited by M. macquariensis and M. peelii. Homing was also evident to some degree in all species, but was greatest for M. peelii.
    Original languageEnglish
    Pages (from-to)1350-1368
    Number of pages19
    JournalJournal of Fish Biology
    Volume88
    Issue number4
    DOIs
    Publication statusPublished - 2016

    Fingerprint

    lowlands
    rivers
    fish
    river
    Cyprinus carpio
    Maccullochella
    Maccullochella peelii peelii
    site fidelity
    radiotelemetry
    radio telemetry
    philopatry
    carp
    freshwater fish
    Macquaria ambigua
    Maccullochella macquariensis

    Cite this

    Koehn, John ; Nicol, Simon. / Comparative movements of four large fish species in a lowland river. In: Journal of Fish Biology. 2016 ; Vol. 88, No. 4. pp. 1350-1368.
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    Comparative movements of four large fish species in a lowland river. / Koehn, John; Nicol, Simon.

    In: Journal of Fish Biology, Vol. 88, No. 4, 2016, p. 1350-1368.

    Research output: Contribution to journalArticle

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    AB - A multi-year radio-telemetry data set was used to comparatively examine the concurrent movements of the adults of three large-bodied Australian native freshwater fishes (Murray cod Maccullochella peelii, trout cod Maccullochella macquariensis and golden perch Macquaria ambigua) and the introduced carp Cyprinus carpio. The study was conducted over a reach scale in the regulated Murray River in south-eastern Australia. Differences were identified in the movements among these species. The predominant behaviour was the use of small movements (1km) did occur, the frequency varied considerably among species. Large-scale movements were least evident for M. macquariensis and more common for M. ambigua and C. carpio with these two species also having a greater propensity to change locations. Macquaria ambigua displayed the largest movements and more M. ambigua moved on a 'continual' basis. Although a degree of site fidelity was evident for all species, the highest levels were exhibited by M. macquariensis and M. peelii. Homing was also evident to some degree in all species, but was greatest for M. peelii.

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