Heterodontus japonicus Miklouho-Maclay & Macleay, 1884
Japanese bullhead shark
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| Native range | All suitable habitat | Point map | Year 2050 |
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| This map was computer-generated and has not yet been reviewed. |
| Heterodontus japonicus AquaMaps Data sources: GBIF OBIS |
分類 / 名稱 俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii 板鰓亞綱 (鯊魚與魟魚) (sharks and rays) > Heterodontiformes (Bullhead and horn sharks) 虎鯊目 (Bullhead and horn sharks) > Heterodontidae (Bullhead, horn, or Port Jackson sharks) 異齒鮫科 (Bullhead, horn, or Port Jackson sharks)
Etymology: Heterodontus: heteros (Gr.), different; odontos (Gr.), tooth, referring to pointy teeth (for clutching prey) at front of jaws, different than rounded molar-like teeth (for grinding hard-shelled invertebrates) at the back (See ETYFish); japonicus: -icus, (Gr.) belonging to: Japan, described from a collection of fishes from the seas of Japan (See ETYFish).
More on authors: Miklouho-Maclay & Macleay.
Etymology: Heterodontus: heteros (Gr.), different; odontos (Gr.), tooth, referring to pointy teeth (for clutching prey) at front of jaws, different than rounded molar-like teeth (for grinding hard-shelled invertebrates) at the back (See ETYFish); japonicus: -icus, (Gr.) belonging to: Japan, described from a collection of fishes from the seas of Japan (See ETYFish).
More on authors: Miklouho-Maclay & Macleay.
環境： 環境 / 氣候帶 / 深度上下限 / 配送範圍 生態學
海洋 居於水底的; 深度上下限 6 - 100 m (Ref. 106604). 亞熱帶的; 43°N - 23°N, 118°E - 143°E
分布 領土 | FAO區域 | 生態系 | 發現紀錄 | 分布圖 | 簡介 | Faunafri
Northwest Pacific: off Japan, Korean Republic, northern China including Taiwan Island.
西北太平洋: 日本外，韓國共和國, 中國北部包括台灣島。
西北太平洋: 日本外，韓國共和國, 中國北部包括台灣島。
大小 / 重量 / 年齡
Found near shore on the continental shelf, more commonly on rocky and kelp-covered bottom (Ref. 43278, 11230). Feeds on crustaceans, mollusks (including top shells), small fishes and sea urchins. Oviparous (Ref. 43278, 50449). Grabs prey by protruding its jaw with considerable distance.
在大陸棚上發現於靠近海岸了, 更通常在岩石與海藻涵蓋的底部上.(參考文獻 11230) 吃甲殼動物，軟體動物 (包括頂端貝殼) ，小魚與海膽。 卵生的.(參考文獻 50449) 藉由用相當多的距離凸出它的頜捕食獵物。
在大陸棚上發現於靠近海岸了, 更通常在岩石與海藻涵蓋的底部上.(參考文獻 11230) 吃甲殼動物，軟體動物 (包括頂端貝殼) ，小魚與海膽。 卵生的.(參考文獻 50449) 藉由用相當多的距離凸出它的頜捕食獵物。
生命週期和交配行為 成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Oviparous. Eggs are laid in rocks or in kelp at depths of about 8 or 9 m and are present from March through September. Eggs are more abundant, however, in March and April. Eggs are hatched in about a year; size at hatching is about 18 cm. There may be a `nest' for several females laying eggs but this is not a true nest. A female lays two eggs at a time, for 6 to 12 spawnings. 西北太平洋: 日本外，韓國共和國, 中國北部包括台灣島。
主要參考資料
上傳您的推薦信 | 參考文獻 | 合作者 | 合作者
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(4/1):1-249. Rome, FAO. (Ref. 247)
CITES
Not Evaluated
對人類具威脅
引起創傷的
人類使用
漁業: 低經濟
FAO - 漁業: 魚種描繪; Publication: search | FishSource |
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基於模型的估計
首選溫度 (參考文獻 123201): 16.6 - 23.5, mean 20.5 °C (based on 50 cells).
系統發育多樣性指數 (參考文獻 82804): PD50 = 0.5029 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00380 (0.00163 - 0.00884), b=3.15 (2.95 - 3.35), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
營養階層 (參考文獻 69278): 3.6 ±0.53 se; based on food items.
回復力 (參考文獻 120179): 低的, 最小族群倍增時間4.5 - 14 年 (Fec=12).