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Image of Black caudal dragonet
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Black Caudal Dragonet

Callionymus beniteguri Jordan & Snyder 1900

Diagnostic Description

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Preopercular spine short. In male, 1st and 2nd dorsal spines elongate and filamentous; anal fin membrane with many dark oblique lines. In the female, the posterior half of the 1st dorsal fin black. In the female and young male, marbled brown-colored area on lateral side of body rimmed with many small white circles. Attains 16 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 - 10; Analspines: 0; Analsoft rays: 8 - 9
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Biology

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Inhabits sand and mud bottoms in coastal areas.
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Armi G. Torres
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Importance

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fisheries: commercial
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分布

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分布於西北太平洋區,日本中部至東中國海。台灣分布於北部海域。
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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。枕骨區平滑。鰓孔背位。前鰓蓋骨強棘為頭長之0.19-0.26倍,強棘末端向上彎曲,棘腹緣平滑,背緣具三至四個彎棘,基部具一小倒棘。側線從眼延伸至尾鰭第3分支鰭條的末端,側線在眼下及前鰓蓋骨各有一分支,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I背棘及第II背棘延長成絲狀,第三棘僅稍延長,而雌魚第一背鰭低且不延長,背鰭與臀鰭除最後一鰭條外,其餘鰭條均不分叉,最後一鰭條均稍長;胸鰭延伸至臀鰭第2鰭條或第3鰭條基部;尾鰭稍延長。保存標本體呈棕色,具許多淡色斑及黑點,雌魚體側下部具一列圓形白斑;眼深棕色。雄魚第一背鰭具許多黑點、黑線及白點;雌魚第III棘膜黑色;第二背鰭、腹鰭具深色斑及白斑;雄魚臀鰭具深黑褐色斜紋,雌魚臀鰭透明;尾鰭上部散布黑點,下部則為暗色寬區域。
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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 beniteguri

provided by wikipedia EN

Callionymus beniteguri, the White-spotted dragonet, is a species of dragonet native to the water around Japan and the East China Sea. This species grows to a length of 16 centimetres (6.3 in) SL. This species is of importance to local commercial fisheries.[1]

References

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

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Callionymus beniteguri, the White-spotted dragonet, is a species of dragonet native to the water around Japan and the East China Sea. This species grows to a length of 16 centimetres (6.3 in) SL. This species is of importance to local commercial fisheries.

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