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日本鋸鯊
鎖定
- 中文名
- 日本鋸鯊
- 拉丁名
- Pristiophorus japonicus
- 命名人與命名年代
- Günther, 1870
- 分類位置
- 軟骨魚綱-真鯊下綱-鯊總目-鋸鯊目-鋸鯊科-鋸鯊屬
日本鋸鯊命名由來
日本鋸鯊形態特徵
日本鋸鯊吻向前突出,兩側分佈由皮膚衍生出的齒狀結構,吻中部腹側具有兩條肉質觸鬚,配合洛倫茲壺腹,以探測獵物、躲避敵人
[2-3]
。成體雄性長80至100釐米,雌性長約100釐米,最大體長可達136釐米。身體較扁,無瞬膜,無棘刺,具1對胸鰭,1對腹鰭,無臀鰭,尾鰭較短,第二背鰭略小於第一背鰭,腹鰭小於第二背鰭
[1]
。
日本鋸鯊生活習性
- 參考資料
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- 1. Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 1-Hexanchiformes to Lamniformes. FAO Fish. Synop. 125, 1-249. Rome, Italy: FAO.
- 2. Nevatte, R.J., Wueringer, B.E., Jacob, D.E., et al. 2017. First insights into the function of the sawshark rostrum through examination of rostral tooth microwear. Journal of Fish Biology, 91, 1582.
- 3. Welten, M., Smith, M.M., Underwood, C., et al. 2015. Evolutionary origins and development of saw-teeth on the sawfish and sawshark rostrum (Elasmobranchii; Chondrichthyes). Royal Society Open Science, 2.
- 4. Lu, J. 2023. Vayu 1.0, a new set of tools for visualizing surface meshes. Vertebrata Palasiatica. .admorph