Orectolobus hutchinsi, Western wobbegong

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Orectolobus hutchinsi Last, Chidlow & Compagno, 2006

Western wobbegong
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Orectolobus hutchinsi   AquaMaps   Data sources: GBIF OBIS
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Image of Orectolobus hutchinsi (Western wobbegong)
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drawing shows typical species in Orectolobidae.

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) > Orectolobiformes (Carpet sharks) 鬚鯊目 (Carpet sharks) > Orectolobidae (Carpet or nurse sharks) 鬚鮫科 (Carpet or nurse sharks)
Etymology: Orectolobus: orektos (Gr.), stretched out; lobus (L.), from lobos (Gr.), rounded projection or protuberance, referring to long nasal barbels of Squalus barbatus (=O. maculatus). (See ETYFish);  hutchinsi: In honor of J. Barry Hutchins (b. 1946), Curator of Fishes, Western Australian Museum (Perth), who first reported this shark as a new species in 1983. (See ETYFish).
More on authors: Last, Chidlow & Compagno.

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

海洋 居於水底的; 深度上下限 0 - 106 m (Ref. 58024), usually 0 - 79 m (Ref. 58024). 熱帶

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

Eastern Indian Ocean: Western Australia. Sympatric with O. maculatus and O. ornatus.
東印度洋: 西澳大利亞。 與 O. maculatus O. ornatus 重疊分佈了。

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 149 cm TL 雄魚/尚未辨別雌雄; (Ref. 58024)

簡短描述 型態特徵 | 形態測量圖

Diagnosis: A moderate-sized species with the following characters: yellowish-brown when fresh with well-defined, darker brown saddles; absence fo white spots, blotches or reticulations on the fins and body; nasal barbel bilobed; postspiracular lobes are simple, reduced or rudimentary; distance across preorbital lobe group 1.2-1.3 times interspace between preorbital group and postspiracular lobe, 13-15 times base length of anterior postspiracular lobe; base of anterior postspiracular lobe 11-12 in its distance from postorbital group, 4.9-7 in its distance from posterior postspiracular lobe; mouth width 4.7-10.2 times preoral distance; warty tubercles absent on back of adult; juveniles with rows of elevated denticles or poorly defined warty tubercles on back; dorsal fins raked posteriorly; first dorsal fin over rear half of pelvic -fin bases; interdorsal space 0.38-0.56 times anal-fin base length; anal-fin inner margin 0.8-1.1 times anal-fin posterior margin; teeth in upper jaw 25-27, those in the medial row at symphysis rudimentary; spiral valve turns 26-28; monospondylous centra 48-50 (Ref. 58024).
鑑別: 一個中等大小的種與下列的特徵: 土黃色新鮮時具有很清晰, 深褐色的鞍狀斑; 在鰭與身體上的缺乏 fo 白色的斑點,斑塊或網眼; 鼻骨觸鬚分成兩葉的; postspiracular 葉很單一, 縮小的了或不發達的; 橫過眶前骨葉的距離倍眶前骨群之間的間隙與 postspiracular 葉聚集 1.2-1.3, 13-15 倍前面 postspiracular 葉的基底長度; 來自眼眶後的群的它的距離的前面 postspiracular 葉 11-12 的基底, 4.9-7 在來自在後部的 postspiracular 葉的它的距離方面; 倍口前距離的嘴寬度 4.7-10.2; 有疣的小瘤成魚不存在背面; 稚魚有列的升高細齒或模糊不清的有疣小瘤背面; 背鰭在後部地搜索; 在後面一半的腹鰭基底上的第一背鰭; 倍臀鰭基底長度的間背片的間隙 0.38-0.56; 倍臀鰭後緣的臀鰭內緣 0.8-1.1; 在上頜 25-27 中的齒, 那些在瘉合處的中間列不發達的; 螺旋形的瓣膜轉 26-28; monospondylous 中心 48-50.(參考文獻 58024)

生物學特性     字彙 (例如 epibenthic)

Males mature at about 111 cm TL. Young born at 22-26 cm TL (mean 24.1 cm TL based on 40 specimens). Caught as by-catch of local gillnet, longline, rock lobster and recreational fisheries (Ref. 58024).

雄性在大約 111 公分TL 時成熟。 在 22-26 公分TL 被出生的幼魚.(意謂以 40件標本為依據的 24.1 公分TL) 捕捉如地方刺網,延繩釣的誤捕, 岩石龍蝦與娛樂的漁場。 (參考文獻 58024)

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

東印度洋: 西澳大利亞。 與 O. maculatus O. ornatus 重疊分佈了。

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

Last, P.R., J.A. Chidlow and L.J.V. Compagno, 2006. A new wobbegong shark, Orectolobus hutchinsi n. sp. (Orectolobiformes: Orectolobidae) from southwestern Australia. Zootaxa 1239:35-48. (Ref. 58024)

IUCN 瀕危狀態 (Ref. 130435)

  無危 (LC) ; Date assessed: 18 February 2015

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  無害處的





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Estimates based on models

Preferred temperature (Ref. 123201): 17.4 - 22.3, mean 18.3 °C (based on 126 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5012   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
營養階層 (Ref. 69278):  4.0   ±0.6 se; based on size and trophs of closest relatives
Generation time: 9.4 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
Fishing Vulnerability (Ref. 59153):  Very high vulnerability (89 of 100).