dcsimg

Life Cycle

provided by Fishbase
Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures (Ref. 50449). Distinct pairing with embrace (Ref. 205).
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Recorder
Susan M. Luna
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Biology

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Ovoviviparous (Ref. 50449).
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Recorder
Cristina V. Garilao
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分布

provided by The Fish Database of Taiwan
分布於中國黃海、東海及沿海部分。
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臺灣魚類資料庫
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臺灣魚類資料庫

利用

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偶由底拖網捕獲,非重要之經濟魚類。
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臺灣魚類資料庫
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描述

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體盤很寬大,斜長方形,前緣波曲,與吻端成70度,後緣廣圓;前角鈍尖,後角圓鈍;體盤寬比體盤長大2-2.2倍。吻短,吻端圓錐狀突出,吻長等於體盤長1/7至1/6,約與眼間隔相等。眼小,微突起,眼球比出水孔小。牙齒細密而多,齒頭尖細。鰓孔狹小,前後距離相等;第三鰓裂孔寬等於第五鰓孔間的距離1/6至2/11。腹鰭狹長,前緣及後緣幾呈一直角,內源在雌體短直,在雄體因後緣與鰭腳相連而消失。尾細而短,約等於體長1/2,尾刺短小,上下皮褶都幾乎消失。體盤背面呈青褐色,隱具細小暗斑及較大不規則黑斑及雲狀斑塊;出水孔下方外側具一對顯著白色或藍色卵狀大斑;腹鰭前綠白色,尾具暗褐色條紋8-10條,在尾刺後面6條,在幼體黑色橫紋上下為成環紋;在長大者僅後部幾個環紋,前部不連續至腹面,尾刺前的橫紋呈合併現象。腹部白色,有時邊緣灰色。(陳柔蓉、林沛立2012/11編寫)
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棲地

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底棲型,深度至少30公尺以上。
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