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Valenciennes’ Dragonet

Callionymus valenciennei Temminck & Schlegel 1845

Trophic Strategy

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Abundant in muddy-sand areas of semi-enclosed eutrophicated bays.
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Recorder
Estelita Emily Capuli
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分布

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分布於西北太平洋區,包括台灣、日本與朝鮮半島的西岸。台灣分布於東北部及澎湖海域。
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利用

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小型魚類,僅具學術研究價值。
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描述

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體延長,縱扁。枕骨區具二個低的骨質突起。鰓孔背位。前鰓蓋骨強棘為頭長之0.12-0.21倍,強棘末端向上彎曲,腹緣平滑而直,基部具一倒棘,背緣具二至三個彎棘。側線從眼延伸至尾鰭第4分支鰭條的末端,具一眼下分支及一分叉的前鰓蓋骨分支,枕骨區及尾柄背部各具一條橫向側線連接體側二側線。雄魚第一背鰭高,各棘全延長成絲狀,第I及第IV棘最長,雌魚第一背鰭較第二背鰭低,延長或不延長成絲狀,第I棘最長;雌、雄魚第二背鰭鰭緣平直;背鰭與臀鰭除最後一鰭條外,其餘鰭條均不分叉;胸鰭延伸至臀鰭第2鰭條基部;雌、雄魚尾鰭延長,雄魚中央鰭條成絲狀,雌魚稍呈圓形。保存標本體呈棕色,背部具許多白斑,體側具一列深色斑;眼灰色;雄魚第一背鰭具不規則黑斑,雌魚第III棘膜具一黑斑;雌、雄魚第二背鰭具一列深斑;雌、雄魚臀鰭鰭緣具黑線(雌魚僅見於後半部鰭緣);尾鰭具幾列排成垂直列之黑點,下部2/3處較明顯。
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棲地

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主要棲息於砂泥底水域,以底棲生物為食。
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Callionymus valenciennei

provided by wikipedia EN

Callionymus valenciennei, Valenciennes’ dragonet, is a species of dragonet native to the Pacific waters around Japan and the Korean Peninsula where it occurs at depths of from 20 to 50 metres (66 to 164 ft). This species grows to a length of 10 centimetres (3.9 in) SL.[1] The specific name and the vernacular name honour the French zoologist Achille Valenciennes (1794-1865).[2]

References

  1. ^ Froese, Rainer; Pauly, Daniel (eds.) (2013). "Callionymus valenciennei" in FishBase. February 2013 version.
  2. ^ "Biographical Etymology of Marine Organism Names. VW". Hans.G.Hansson. Retrieved 26 April 2018.
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Callionymus valenciennei: Brief Summary

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Callionymus valenciennei, Valenciennes’ dragonet, is a species of dragonet native to the Pacific waters around Japan and the Korean Peninsula where it occurs at depths of from 20 to 50 metres (66 to 164 ft). This species grows to a length of 10 centimetres (3.9 in) SL. The specific name and the vernacular name honour the French zoologist Achille Valenciennes (1794-1865).

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