分類 / Names
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); galeatus: Latin for helmeted, probably referring to high, enlarged supraorbital ridges or crest. (See ETYFish).
More on author: Günther.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 礁區魚類; 深度上下限 0 - 93 m (Ref. 54545). 亞熱帶的; 27°S - 35°S, 150°E - 155°E
Western Pacific: eastern Australia.
西太平洋: 澳洲東部。
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm ?, range 70 - ? cm
Max length : 152 cm TL 雄魚/尚未辨別雌雄; (Ref. 247); common length : 122 cm TL 雄魚/尚未辨別雌雄; (Ref. 247); 最大年齡: 12 年 (Ref. 72467)
背棘 (總數): 2; 背的軟條 (總數): 0; 臀棘 0; 臀鰭軟條: 0. Body with broad blackish bands or saddle markings (Ref. 9838).
身體有寬的黑色條紋或鞍狀斑紋.(參考文獻 9838)
A moderately common benthic and epibenthic shark found on the continental shelf (Ref. 247, 43278). Occurs from close inshore to about 93 m depth (Ref. 247, 43278). Feeds primarily on sea urchins, but also on crustaceans, mollusks, and small fishes (Ref. 31369). Oviparous, egg cases spirally flanged and with long tendrils (Ref. 6871). Hatches at about 22 cm (Ref. 6871).
發現於大陸棚 (參考文獻 247) 的一種還算常見的底棲與淺海底棲鯊魚生存於近岸到大約 93 公尺深.(參考文獻 247) 主要吃海膽, 也捕食甲殼動物，軟體動物與小魚.(參考文獻 31369) 卵生的, 卵莢螺旋形地邊緣擴大而且有長的捲鬚.(參考文獻 6871) 於大約 22 公分孵化。 (參考文獻 6871)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449). Distinct pairing with embrace (Ref. 205).西太平洋: 澳洲東部。
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)
人類使用
漁業: 低經濟
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Estimates based on models
Preferred temperature (Ref.
123201): 20.2 - 24, mean 21.8 °C (based on 16 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5059 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00380 (0.00166 - 0.00872), 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): 3.7 ±0.53 se; based on food items.
回復力 (Ref.
120179): 非常低的, 最小族群倍增時間超過14 年 (tm=11.8).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (90 of 100).
Nutrients (Ref.
124155): Calcium = 2.87 [0.37, 11.82] mg/100g; Iron = 0.113 [0.027, 0.319] mg/100g; Protein = 19.5 [17.2, 21.5] %; Omega3 = 0.198 [0.078, 0.467] g/100g; Selenium = 7.8 [2.2, 24.7] μg/100g; VitaminA = 33.2 [8.1, 135.9] μg/100g; Zinc = 0.439 [0.206, 0.907] mg/100g (wet weight);
