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Oxynotus centrina (Linnaeus, 1758)

Angular roughshark
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Native range | All suitable habitat | Point map | Year 2050
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Oxynotus centrina   AquaMaps   Data sources: GBIF OBIS
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Image of Oxynotus centrina (Angular roughshark)
Oxynotus centrina
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Portugal country information

Common names: Peixe-porco, Porco
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments:
National Checklist: Portugal
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/po.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Compagno, L.J.V., 1984
National Database: Portuguese Freshwater Fishes

Common names from other countries

Centrine commune, Cerdo marino, قِرش فظّ شائع, ... more

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) > Squaliformes (Sleeper and dogfish sharks) > Oxynotidae (Rough sharks)
Etymology: Oxynotus: oxys (Gr.), sharp; notos (Gr.), back, referring to its keeled back (“dorso carenato”). (See ETYFish);  centrina: From “Centrina,” name for this shark dating to at least Giovio’s De romanis piscibus (1524), presumably derived from centrum (L.), prickle or sharp point, referring to spines on both dorsal fins. (See ETYFish).
  More on author: Linnaeus.

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

海洋 深海底的; 深度上下限 60 - 1309 m (Ref. 128029).    ; 70°N - 17°S, 25°W - 36°E (Ref. 54693)

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

Eastern Atlantic: Bay of Biscay and Mediterranean Sea to Senegal, north to Cornwall, England (apparently as a stray). Compagno et al. (Ref. 5578) reports this species as ranging south to Cape Point, South Africa but Springer 1990 (Ref. 10718) notes Bass et al. 1976 as considering specimens from Walvis Bay distinct from Oxynotus centrina calling attention to the considerably greater distance between dorsal fins in Mediterranean specimens than in specimens taken south of the equator.

Length at first maturity / 大小 / 重量 / 年齡

Maturity: Lm ?, range 50 - ? cm
Max length : 150 cm TL 雄魚/尚未辨別雌雄; (Ref. 247); common length : 55.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 26999)

簡短描述 檢索表 | 型態特徵 | 形態測量圖

背棘 (總數) : 2; 臀棘: 0. A small bizarre-looking shark with an unmistakable high body and bristly textured skin (Ref. 5578). Uniformly grey to grey-brown (Ref. 5578).

生物學特性     字彙 (例如 epibenthic)

Found on the outer continental shelf and upper slope (Ref. 5578). Depth range from 60-660 m (Ref. 247) and from 549-777 m in the eastern Ionian Sea (Ref. 56504), and 818-1309 m NW Africa (Ref. 128029). Feeds on polychaetes (Ref. 247) and sipunculids (apparenly a suction feeder which mainly feeds on worm-like prey), which are rapidly digested, and the rapid gastric evacuation could partially explain the vacuity of several guts; teleosts, crustaceans and echinoderms are considered as accessory prey items, thus recorded predation on egg cases of the smallspotted catshark Scyliorhinus canicula remains an occasional phenomenon (Ref. 81816). Ovoviviparous (Ref. 205). Utilized for fishmeal, oil, and smoked and dried salted for human consumption (Ref. 247).

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚

Ovoviviparous, without a placenta, with about 7 or 8 young in a litter (Ref. 247). Distinct pairing with embrace (Ref. 205).

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. 130435)

  瀕危 (EN) (A2d); Date assessed: 31 August 2020

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

 




人類使用

漁業: 低經濟
FAO(漁業: 產生, 魚種描繪; publication : search) | FishSource | 周邊海洋

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Estimates based on models

Preferred temperature (Ref. 115969): 9.5 - 15.3, mean 13.3 (based on 283 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5625   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00372 (0.00160 - 0.00860), 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):  3.1   ±0.3 se; based on diet studies.
回復力 (Ref. 120179):  非常低的, 最小族群倍增時間超過14 年 (Fec=7).
Fishing Vulnerability (Ref. 59153):  Very high vulnerability (90 of 100).
Climate Vulnerability (Ref. 125649):  Moderate vulnerability (38 of 100).
價格種類 (Ref. 80766):   High.