エゾメバル（<i>Sebastes taczanowskii</i>）の鳴音の音響特性

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  • Properties of Fish Sound by White-edged Rockfish (<i>Sebastes taczanowskii</i>)

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<p>Passive acoustic monitoring (PAM) has been introduced to monitor rockfish populations and distributions. We conducted water tank experiments to determine whether the white-edged rockfish (Sebastes taczanowskii) is soniferous and to confirm whether its sound properties are appropriate to adopt the PAM method. We observed two types of sound production by white-edged rockfish. The pulse durations of the Type 1 and Type 2 sounds were 0.017±0.003 s and 0.071±0.034 s, respectively, and their peak frequencies were 456.0±54.9 Hz and 116.3±28.1 Hz. These results suggest that white-edged rockfish produce sounds specific to their species and that it would therefore be possible to estimate the fish population by PAM.</p>

収録刊行物

  • 海洋音響学会誌

    海洋音響学会誌 49 (3), 96-102, 2022-07-01

    特定非営利活動法人 海洋音響学会

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