Centroscymnus owstonii, Roughskin dogfish : fisheries

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Centroscymnus owstonii Garman, 1906

Roughskin dogfish
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Centroscymnus owstonii   AquaMaps   Data sources: GBIF OBIS
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Image of Centroscymnus owstonii (Roughskin dogfish)
Centroscymnus owstonii
Male picture by Cambraia Duarte, P.M.N. (c)ImagDOP

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) > Squaliformes (Bramble, sleeper and dogfish sharks) > Somniosidae (Sleeper sharks)
Etymology: Centroscymnus: Greek, kentron = sting + Greek, skymnos, -ou = pup, puppy (Ref. 45335);  owstonii: Named for Alan Owston (1853-1915) a business- and yachtsman from England, who collected Asian wildlife, particularly in the early twentieth century (cited in Ref. 112350).  More on author: Garman.

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

; 海洋 深海底的; 深度上下限 100 - 1500 m (Ref. 26346).   深水域; 35°N - 41°S, 82°W - 177°W

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

Atlantic, Pacific and Indian oceans. Western Indian Ocean: from off the Seychelles to the Madagascar Ridge and South Africa. Eastern Indian Ocean off Indonesia and southwestern Australia. Southwestern Pacific: off Australia, New Caledonia and New Zealand. Northwestern Pacific: off Japan and from the Hawaiian-Emperor seamount chain. Southeastern Pacific: west of Chile. Southwestern Atlantic: off French Guiana, Brazil, and Uruguay. Northwestern Atlantic: Gulf of Mexico. Eastern Atlantic: from off the Azores in the North to off South Africa in the south.
中西大西洋: 墨西哥灣北部。 西太平洋: 日本本州東南方; 澳洲 (包括西澳大利亞) 與紐西蘭。 東南太平洋: Amber 海底山脈,納斯卡與 Sala-y-Gomez。

Length at first maturity / 大小 / 重量 / 年齡

Maturity: Lm ?, range 100 - 104 cm
Max length : 121 cm TL 雄魚/尚未辨別雌雄; (Ref. 26346)

簡短描述 型態特徵 | 形態測量圖

臀棘 0; 臀鰭軟條: 0. Dark brown or black in color, dorsal fins with extreme tips of fin spines protruding from the fins, moderately long snout, lanceolate upper teeth and bladelike lower teeth with short, oblique cusps, fairly stocky body that does not taper abruptly from pectoral region, large lateral trunk denticles with mostly smooth, circular, cuspidate and acuspidate crowns in adults and subadults (Ref. 247).
深褐色或黑色的, 背鰭具有從鰭, 中等長度的吻又矛尖形的上顎齒凸出的鰭棘的極端頂端與刀葉狀的下顎齒有短的, 斜的尖頭, 非常矮胖的身體哪一不會從胸的區域突然變細, 大的側面軀幹細齒具有大部份平滑﹐圓形的﹐和尖的與 acuspidate 冠當成魚與亞成魚時.(參考文獻 247)

生物學特性     字彙 (例如 epibenthic)

Found on upper continental slopes, on or near the bottom (Ref. 247). Feeds on fish and cephalopods (Ref. 6871). Ovoviviparous (Ref. 205), with 16- 28 young born at 27-30 cm (Ref. 26346). Caught in trawls or longlines set at depths greater than 400 m (Ref. 55584). Flesh is high in mercury (Ref. 6871). Utilized as fishmeal and source of squalene (liver oil) (Ref. 6871). Maximum depth from Ref. 55584.

棲息於大陸坡上層了, 在底部上面或附近。 (參考文獻 247) 吃魚與頭足類動物。 (參考文獻 6871) 卵胎生的 (參考文獻 205), 具有 16- 在 27-30 公分被出生的 28個幼魚.(參考文獻 26346) 肉是高水銀含量。 (參考文獻 6871) 用來作魚粉與鯊烯的原料 (肝油)了。 (參考文獻 6871)

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

Ovoviviparous (Ref. 6871). 16- 28 young born at 27-30 cm (Ref. 26346). Distinct pairing with embrace (Ref. 205).中西大西洋: 墨西哥灣北部。 西太平洋: 日本本州東南方; 澳洲 (包括西澳大利亞) 與紐西蘭。 東南太平洋: Amber 海底山脈,納斯卡與 Sala-y-Gomez。

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. 120744)

  次級保育類動物, 見 IUCN 紅皮書 (VU) (A2d); Date assessed: 08 July 2017

CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  有毒 (Ref. 6871)





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Estimates based on models

Preferred temperature (Ref. 115969): 4.9 - 10.9, mean 6.4 (based on 66 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5313   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00177 - 0.00857), b=3.17 (2.97 - 3.37), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
營養階層 (Ref. 69278):  4.5   ±0.62 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=16-28).
瀕危性 (Ref. 59153):  High vulnerability (64 of 100) .
價格種類 (Ref. 80766):   Unknown.