Diagnostic Description
provided by Fishbase
Preorbital length about equal to preoral length (and much greater than prenasal length), and dark brown spots that are usually greater than eye diameter over a brown background (Ref. 49866).
- Recorder
- Cristina V. Garilao
Biology
provided by Fishbase
Found in continental waters, both inshore and offshore (Ref. 9912). Biology little known (Ref. 9912). Maturity size of males at ca. 24 cm TL, birth size at ca. 11 cm TL (Ref. 114953).
- Recorder
- Cristina V. Garilao
分布
provided by The Fish Database of Taiwan
分布於太平洋、大西洋、印度洋各熱帶和亞熱帶海區。
利用
provided by The Fish Database of Taiwan
偶由底拖網捕獲,非重要之經濟魚類。
描述
provided by The Fish Database of Taiwan
以前所記載之丁氏木鏟電鱝(/Narcine
timlei/)為本種之誤鑑。體盤大,保存良好之標本體盤近圓形,而保存上加之標本稍呈橢圓形;體盤寬一般稍寬於體盤長,體盤長為全長之42.6-52.9%。吻長且寬圓。眼前吻長平均為全長之12.9%,為體盤長之1/3-1/4倍。吻堅硬,前端廣圓。眼睛小;出水孔比眼稍大,緊接眼後,邊緣光滑或具細弱皮褶;口頗小,平橫,口前一深溝,能突出,唇厚軟,由口隅深達上下齒面外側;牙帶翻出口外,牙細小而尖,鋪石狀排列,約25縱行。前鼻瓣連合為一口蓋,伸達口前,後緣波曲,後鼻瓣具一細弱半環形薄膜。背鰭兩個,大小約相同,前角圓鈍,前緣和後緣緣凸,無內緣;第一背鰭起點稍後於腹鰭終點,與第二背鰭距離大於第一背鰭基部長1/2倍。腹鰭後緣斜直或微凹,前角和後角圓鈍;起點距終點有一相當距離,尾鰭長比高為大,後緣斜圓。背面銹褐色,具中型暗褐色圓斑,有時圓斑合併成為條紋;腹面白色。(陳柔蓉、林沛立2012/11編寫)
棲地
provided by The Fish Database of Taiwan
屬深海底棲生物。