Heterodontus japonicus, Japanese bullhead shark : fisheries

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Heterodontus japonicus Miklouho-Maclay & Macleay, 1884

Japanese bullhead shark
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Heterodontus japonicus   AquaMaps   Data sources: GBIF OBIS
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Image of Heterodontus japonicus (Japanese bullhead shark)
Heterodontus japonicus
Picture by Murch, A.

分類 / Names 俗名 | 同種異名 | Catalog of Fishes(, ) | 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.

Environment: milieu / climate zone / depth range / distribution range 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 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 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。

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 120 cm TL 雄魚/尚未辨別雌雄; (Ref. 247)

生物學特性     字彙 (例如 epibenthic)

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。

Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | | 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 Upload your references | 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)

IUCN 瀕危狀態 (Ref. 125652)

  無危 (LC) ; Date assessed: 29 August 2019

CITES

Not Evaluated

CMS (Ref. 116361)

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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卵發育
年龄/大小
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Otoliths
腦重體重比
眼睛色素

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網路資源

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Estimates based on models

Preferred temperature (Ref. 123201): 16.6 - 23.5, mean 20.5 °C (based on 50 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5059   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00380 (0.00162 - 0.00892), 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 (Ref. 69278):  3.6   ±0.53 se; based on food items.
回復力 (Ref. 120179):  低的, 最小族群倍增時間4.5 - 14 年 (Fec=12).
Fishing Vulnerability (Ref. 59153):  High to very high vulnerability (72 of 100).
價格種類 (Ref. 80766):   Unknown.