Preliminary survey and diet analysis of seagrass bed fishes at Mauritius, western Indian Ocean

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  • Nakamura Yohei
    Department of Global Agricultural Sciences, Graduate School of Agricultural and Life Sciences, The University of Tokyo Present address: Department of Living Marine Resources, Ocean Research Institute, The University of Tokyo
  • Terashima Hiroaki
    Expert dispatched from Japan International Cooperation Agency for the Coastal Fisheries Resources and Environment Conservation Project, Albion Fisheries Research Centre School of Fisheries Sciences, Kitasato University
  • Chettanand Samyan
    Albion Fisheries Research Centre, Ministry of Fisheries Present address: Mauritius Oceanography Institute
  • Sato Naoshi
    School of Fisheries Sciences, Kitasato University
  • Ida Hitoshi
    School of Fisheries Sciences, Kitasato University

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Other Title
  • 西インド洋モーリシアス島の海草藻場に出現する魚類相とその食性

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Fish faunas and diets were examined in Halodule uninervis- and Syringodium isoetifolium-dominated seagrass beds at Mauritius, western Indian Ocean, in March 2002. A total of 37 fish species (representing 16 families) were collected, 26 (14 families) of them occurring in the H. uninervis-bed and 26 (13 families) in the S. isoetifolium-bed, with 15 (10 families) common to both beds. Fishes were mainly juveniles, dominant families with regard to both species and individual numbers being Apogonidae, Mullidae, Labridae, Scaridae and Gobiidae. Zoobenthivores comprised the most dominant feeding type in both seagrass beds, harpacticoid copepods and gammaridean amphipods being the most important food resources for those fishes.

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