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Heterodontus zebra (Gray, 1831)

Zebra bullhead shark
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Image of Heterodontus zebra (Zebra bullhead shark)
Heterodontus zebra
Picture by Gloerfelt-Tarp, T.

分類 / Names 俗名 | 同種異名 | Catalog of Fishes (gen., sp.) | 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: Greek, heteros = other + Greek, odous = teeth (Ref. 45335).  More on author: Gray.

Environment: milieu / climate zone / depth range / distribution range 生態學

; 海洋 礁區魚類; 深度上下限 0 - 200 m (Ref. 6871).   亞熱帶的; 40°N - 20°S, 103°E - 155°E

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Western Pacific: Japan to northwestern Australia (Ref. 6871) and Queensland.
西太平洋: 日本到澳洲西北部 (參考文獻 6871) 與昆士蘭省。

Length at first maturity / 大小 / 重量 / 年齡

Maturity: Lm ?, range 84 - ? cm
Max length : 125 cm TL 雄魚/尚未辨別雌雄; (Ref. 2334)

簡短描述 型態特徵 | 形態測量圖

背棘 (總數): 2; 背的軟條 (總數): 0; 臀棘 0; 臀鰭軟條: 0. The Zebra bullhead shark, Heterodontus zebra, has a large blunt head, low supra-orbital crest gradually sloping behind eyes, dorsal fin spines, anal fin, and zebra-pattern of dark, narrow vertical bands on a pale background (Ref. 9838; 6871). As characteristic of members of the family, caudal fin with a moderately long dorsal lobe and moderately long ventral lobe, the latter shorter than the dorsal lobe, vertebral axis raised into caudal-fin lobe (Ref.9838).
斑馬鯰魚鯊魚 , Heterodontus 斑馬 ,有一個大的鈍頭部, 低的上眼眶的冠在眼,背鰭棘,臀鰭與斑馬條紋後面逐漸傾斜黑的, 狹窄的垂直條紋在灰白的背景上 (參考文獻 9838; 6871)。 如該科的成員的特性, 尾鰭有一個中等長度的背部葉與中等長度的腹葉, 後者短於背部葉, 椎骨的軸進入尾鰭葉之內升起.(參考文獻 9838)

生物學特性     字彙 (例如 epibenthic)

A common but little-known shark found on the continental and insular shelves in depths down to at least 50 m (Ref. 247, 11230) in the South China Sea, but deeper and in 150 - 200 meters off Western Australia (Ref. 43278). Probably feeds on bottom invertebrates and small fishes (Ref. 6871). Oviparous (Ref. 247).

一種常見的但是所知極少的鯊魚發現於了,大陸棚與島嶼棚深度在南中國海向下至至少 50 公尺 (參考文獻 247,11230), 但是比較深的與 150- 在西澳大利亞外 200 公尺處.(參考文獻 43278) 可能吃底棲無脊椎動物與小魚。 (參考文獻 6871) 卵生的.(參考文獻 247)

Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | | 孕卵數 | 仔魚

Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449). Distinct pairing with embrace (Ref. 205). Lays auger type eggs (about 12-18cm, 4.7-7 inches long) among rocks & kelp, often with more than female using same oviposition site, with as many eggs found in a single nest; female lay 2 eggs at a time, from spring to late summer in Japan, 6-12 times during a single spawning season. Eggs hatch in 1 year. Hatch at 18 cm (7 inches), max length at 1.2m (3.9 ft.). During courtship, male grasps pectoral fin of female & wraps posterior part of body under her so single clasper can be inserted into her cloaca. In several mating bouts observed, copulation lasted as long as 15 minutes (Ref. 12951).西太平洋: 日本到澳洲西北部 (參考文獻 6871) 與昆士蘭省。

主要參考資料 Upload your references | 參考文獻 | 合作者 | 合作者

Compagno, L.J.V., 2001. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Vol. 2. Bullhead, mackerel and carpet sharks (Heterodontiformes, Lamniformes and Orectolobiformes). FAO Spec. Cat. Fish. Purp. 1(2):269 p. FAO, Rome. (Ref. 43278)

IUCN 瀕危狀態 (Ref. 120744)

  無危 (LC) ; Date assessed: 30 April 2003

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

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漁業: 低經濟; 水族館: 潛在的
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Estimates of some properties based on models

Preferred temperature (Ref. 115969): 15.4 - 26.6, mean 21.8 (based on 223 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5059   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00355 (0.00154 - 0.00818), b=3.15 (2.94 - 3.36), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
營養階層 (Ref. 69278):  4.0   ±0.66 se; Based on food items.
回復力 (Ref. 69278):  低的, 最小族群倍增時間4.5 - 14 年 (Fec assumed to be <100).
瀕危性 (Ref. 59153):  High to very high vulnerability (73 of 100) .
價格種類 (Ref. 80766):   Unknown.