dcsimg

Diagnostic Description

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First dorsal spine elongate. Tip of anterior branch of last dorsal ray unbranched. First dorsal fin of female with oblong black mark. Anterodorsal corner of 2nd dorsal fin with black mark in the male. Lower margin of anal fin orange with many blue oblique lines in the male, black in the female. Attains 17 cm SL.
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Recorder
Rodolfo B. Reyes
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Morphology

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Dorsal spines (total): 4; Dorsal soft rays (total): 9; Analspines: 0; Analsoft rays: 9
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Rodolfo B. Reyes
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Biology

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Found in shelf edges (Ref. 43239).
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Cristina V. Garilao
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分布

provided by The Fish Database of Taiwan
分布於西太平洋區,由日本南部至南中國海。台灣分布於台灣海峽。
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臺灣魚類資料庫
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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

provided by The Fish Database of Taiwan
體延長,縱扁。鰓裂為一卵圓形小孔,位於頭背部後方。前鰓蓋骨具強棘,末端棘短,稍向上彎且具倒鉤,腹緣平滑,背緣具二個彎棘,基部另具一強倒棘。眼大,在頭背部,通常彼此靠近。口小,上頜可向前下方伸長;上下頜具帶狀細齒。體無鱗;側線延伸至尾鰭基部。背鰭分成二部,第一背鰭通常具4軟棘,第一棘延長如絲,尤以雄魚為甚,雌魚僅稍長於第二棘;第二背鰭具9根軟條,鰭緣甚高,所有軟條皆高於第二至第四軟棘,均無分枝;胸鰭大;腹鰭具一鰭膜與胸鰭基部相連;臀鰭具9根軟條;尾鰭之中央二軟條延長且不分枝。標本體呈深棕色,腹部白色,體側具一列不規則黑斑;頭部深棕色,具一些淺點;眼下具一條垂直黑紋;背部及體側具一些黑緣的白斑。第一背鰭色淡,第三棘膜具一大黑斑,第一及第二棘膜具三個白斑,第二棘膜具黑色緣;第二背鰭色淡,每一鰭條具一垂直白線(雌魚不顯),前半部鰭膜緣黑色(雌魚不顯);生活時雄魚之1/2至2/3臀鰭呈淡黃色(死後棕色),每一鰭膜具1-2條藍色斜紋(死後暗色),鰭緣白色;生活時雌魚之臀鰭一致呈淡白色,鰭緣黑色;胸鰭基具一黑斑;尾鰭散布黃點(死後暗色),最下鰭條及下半部鰭緣黑色。以前所記載之臺灣深水(/Bathycallionymus formosanus/)為同種異名。
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棲地

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主要棲息於大陸棚砂泥底層,以底棲生物為食。
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Callionymus formosanus

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Callionymus formosanus, the Taiwanese deepwater dragonet, is a species of dragonet native to the Pacific Ocean from the South China Sea as well as around southern Japan and the Chesterfield Islands. This species grows to a length of 17 centimetres (6.7 in) SL.[1]

References

  1. ^ Froese, Rainer; Pauly, Daniel (eds.) (2013). "Callionymus formosanus" in FishBase. February 2013 version.
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Callionymus formosanus: Brief Summary

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Callionymus formosanus, the Taiwanese deepwater dragonet, is a species of dragonet native to the Pacific Ocean from the South China Sea as well as around southern Japan and the Chesterfield Islands. This species grows to a length of 17 centimetres (6.7 in) SL.

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