Mustelus walkeri, Eastern spotted gummy shark

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Mustelus walkeri White & Last, 2008

Eastern spotted gummy 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.
Mustelus walkeri   AquaMaps   Data sources: GBIF OBIS
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Image of Mustelus walkeri (Eastern spotted gummy shark)
Mustelus walkeri
Male picture by White, W.T. & P.R. Last

分类 / Names 俗名 | 同种异名 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii 板鳃亚纲 (鲨鱼与 鱼) (sharks and rays) > Carcharhiniformes (Ground sharks) 白眼鮫目 (Ground sharks) > Triakidae (Houndsharks) 平滑鮫科 (Houndsharks) > Triakinae
Etymology: Mustelus: Latin, mustela, -ae = weasel (Ref. 45335);  walkeri: Named for Terry Walker (Department of Primary Industries, Victoria).  More on authors: White & Last.

Environment: milieu / climate zone / depth range / distribution range 生态学

; 海洋 底中水层性; 深度上下限 52 - 403 m (Ref. 76951).   

分布 国家 | FAO区域 | 生态系 | 标本纪录 | Point map | 简介 | Faunafri

Western Pacific: Australia.

Length at first maturity / 大小 / 重量 / 年龄

Maturity: Lm ?, range 86 - 94.2 cm
Max length : 94.2 cm TL 雄鱼/尚未辨别雌雄; (Ref. 76951); 111.6 cm TL (female)

简单描述 型态特徵 | 形态测量图

A relatively large species with the following characters: tall dorsal fins, its posterior margin directed posteroventrally from top to bottom and not upright distally, first dorsal-fin base is 1.6-2.0 times the anal-caudal space; buccopharyngeal denticles cover entire palate and floor of mouth; long claspers of adult males are slender, strongly depressed, the inner length about 9-10% TL, extending to just anterior of the second dorsal-fin origin; lower edge of spiracle is usually close to level of mid-eye; insertion of anal-fin usually over its apex; about 69/73 teeth rows; 78- 94 precaudal vertebral centra; 35-39 monospondylous centra; dorsal color pale greyish with numerous small, often indistinct, semi-regular, diffuse-edged white spots on postspiracular head and body; light and dark tonal coloration well demarcated on head below eye and onto middle of first gill slit, the intergill membranes are much darker dorsally than ventrally; bases and inner lobe of dorsal fins in juveniles (<400 mm TL) not strongly contrasted to distal part of fin, inner lobe is pale-edged; juveniles have caudal fin with distinctive whitish posterior margins (Ref. 76951).

生物学特性     字汇 (例如 epibenthic)


Life cycle and mating behavior 成熟度 | 繁殖 | 产卵场 | | 孕卵数 | 仔鱼


主要参考文献 Upload your references | 参考文献 | 合作者 : Compagno, Leonard J.V. | 合作者

White, W.T. and P.R. Last, 2008. Description of two new species of gummy sharks, genus Mustelus (Carcharhiniformes: Triakidae) from Australian waters. pp. 189-201. In P.R. Last, W.T. White and J.J. Pogonoski (eds). Descriptions of new Australian chondrichthyans. CSIRO Marine and Atmospheric Research Paper no. 22. 365 p. (Ref. 76951)

世界自然保护联盟红皮书 (Ref. 120744)

  数据缺失 (DD) ; Date assessed: 23 April 2015

CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

 





人类利用

FAO(Publication : search) | FishSource |

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特别资料

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网络资源

Aquatic Commons | BHL | Cloffa | Websites from users | 核实 FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(基因组, 核苷酸) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | 树状分类阶层 | Wikipedia(转至, 搜寻) | World Records Freshwater Fishing | Zoobank | 动物学的记录

Estimates based on models

Preferred temperature (Ref. 115969): 19.7 - 24.3, mean 21.4 (based on 28 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00240 (0.00107 - 0.00538), b=3.13 (2.95 - 3.31), in cm Total Length, based on LWR estimates for this Genus-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  3.6   ±0.3 se; Based on size and trophs of closest relatives
回复力 (Ref. 120179):  低的, 最小族群倍增时间4.5 - 14 年 (Preliminary K or Fecundity.).
脆弱性 (Ref. 59153):  High vulnerability (57 of 100) .