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Image of Blue-spotted ruddertail dragonet
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Blue Spotted Ruddertail Dragonet

Callionymus pleurostictus Fricke 1982

Importance

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Recorder
Cristina V. Garilao
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分布

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分布於西太平洋區,包括台灣、琉球群島、越南、泰國灣、印尼與澳洲北部。台灣產於澎湖海域。
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利用

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小型魚類,體色豔麗,可做為觀賞用。
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描述

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體延長,縱扁。鰓孔背位。前鰓蓋骨強棘短,強棘末端平直,腹緣平滑,基部具一強倒棘,背緣具五至六個鋸齒狀之小倒棘。側線從眼延伸至尾鰭第4分支鰭條的末端,頭部無分支,枕骨區具一條橫向側線連接體側二側線,尾柄無橫向側線。雄魚第一背鰭低,第I極延長成絲狀,雌魚第一背鰭低,背棘不延長成絲狀;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、雄魚尾鰭不對稱,略呈茅形,雌魚則稍呈圓形。保存標本頭及體背淡土棕色,腹部偏白,頰部具藍色短紋,背部嵌有不規則深斑;雄魚下頜腹面前端呈黑色;腹側散布小黑點;雄魚第一背鰭土棕色,膜緣上具數保黑線,雌魚第II及第IV棘膜膜緣上具一黑斑;雄魚第二背鰭具數縱列黑線,雌魚各鰭條具四至五個卵圓形之小黑點;雄魚臀鰭一致污黑色,雌魚則一致淡白色;雄魚尾鰭中央具數列之短黑紋,下部具數列黑點,雌魚尾鰭下部2/3處具數列黑點。
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棲地

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主要棲息於淺水區的砂泥底水域,以底棲生物為食。
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Callionymus pleurostictus

provided by wikipedia EN

Callionymus pleurostictus, the blue-spotted ruddertail dragonet, is a species of dragonet native to the Pacific Ocean where it is found from the Ryukyus south to Australia. This species occurs at depths of from 1 to 20 metres (3.3 to 65.6 ft). This species grows to a length of 2.3 centimetres (0.91 in) SL.[1]

References

  1. ^ Froese, Rainer; Pauly, Daniel (eds.) (2013). "Callionymus pleurostictus" in FishBase. February 2013 version.

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Callionymus pleurostictus: Brief Summary

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Callionymus pleurostictus, the blue-spotted ruddertail dragonet, is a species of dragonet native to the Pacific Ocean where it is found from the Ryukyus south to Australia. This species occurs at depths of from 1 to 20 metres (3.3 to 65.6 ft). This species grows to a length of 2.3 centimetres (0.91 in) SL.

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