dcsimg

分布

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分布於西北太平洋區,由日本北部至東海等海域。在臺灣見於西部及北部海域。
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臺灣魚類資料庫
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利用

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為冷溫性近海底棲中小型次要經濟魚類。
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描述

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體盤菱形,前緣斜直,與吻端約成60度;體盤寬比體盤長約大1.49倍。吻端稍突出,吻長稍比眼間隔大。眼小;噴水孔為眼徑的1.5倍大。口小,口寬小於吻長之半。口底具7個乳突,中央具顯著乳突3個,外側另各具細小乳突2個。尾細長如鞭,尾長比體盤長大1.9倍;在尾刺後方的背側面有小而短的稜脊,而腹側面則有低窄的皮褶。體完全光滑,體背中央不具一縱列小棘,僅於尾刺後方則有許多大小不一之細棘。體背暗褐色;腹面呈淡白色。
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棲地

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主要棲息於島嶼及大陸棚的沙泥海域中,棲息深度約在120公尺以上。以底棲甲殼類為主要食物。屬於卵胎生魚類,一次可以產下好幾尾小土魟。尾刺有毒腺,是危險的海洋生物。
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Dasyatis ushiei

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Dasyatis ushiei, the cow stingray or Ushi stingray, is a species of stingray known from a single specimen. Based on the single specimen, its range includes at least Mikawa Bay, Aichi Prefecture, middle Japan.[1] Due to the limited knowledge of its biology and extent of capture in fisheries, this species is assessed as Data Deficient.[1]

References

  1. ^ a b c H. Ishihara & S.V. Valenti (2007). "Dasyatis ushiei". IUCN Red List of Threatened Species. 2007. Retrieved December 1, 2013.old-form url
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Dasyatis ushiei: Brief Summary

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Dasyatis ushiei, the cow stingray or Ushi stingray, is a species of stingray known from a single specimen. Based on the single specimen, its range includes at least Mikawa Bay, Aichi Prefecture, middle Japan. Due to the limited knowledge of its biology and extent of capture in fisheries, this species is assessed as Data Deficient.

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