Apristurus laurussonii, Iceland catshark

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Apristurus laurussonii (Saemundsson, 1922)

Iceland catshark
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Apristurus laurussonii   AquaMaps   Data sources: GBIF OBIS
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Image of Apristurus laurussonii (Iceland catshark)
Apristurus laurussonii
Picture by Dolgov, A.

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) > Carcharhiniformes (Ground sharks) > Pentanchidae (Deepwater catsharks)
Etymology: Apristurus: a-, Latin privative, i.e., without; pristis, from pristes (Gr.), sawyer (but here meaning saw); oura (Gr.), tail, referring to absence of saw-toothed crest of enlarged dermal denticles along upper edge of caudal fin as found in the closely related Pristiurus (=Galeus). (See ETYFish);  laurussonii: In honor of Saemundsson’s friend Gísli Lárusson (1865-1935), goldsmith, watchmaker, farmer and nature enthusiast, for his “long and invaluable support of the study of Icelandic fishes, and for carefully encouraging the skillful fishermen of Vestmannaeyjar Island [near type locality]” (translation). (See ETYFish).

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

海洋 深海底的; 深度上下限 560 - 1550 m (Ref. 97621). 深水域; 67°N - 11°N, 98°W - 11°E (Ref. 56872)

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

Western Atlantic: Massachusetts and Delaware, USA and the northern Gulf of Mexico. Eastern Atlantic: Iceland, southwestern Ireland, Canary Islands and Madeira.
西大西洋: 美國麻薩諸塞州與德拉瓦州與墨西哥灣北部。 東大西洋: 冰島,愛爾蘭西南方,加納利群島與馬得拉群島。

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 76.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 97621); 69.0 cm TL (female)

生物學特性     字彙 (例如 epibenthic)

Fairly common on the upper continental slopes, usually over mud or other soft sea bottom (Ref. 9996). Oviparous (Ref. 50449).

非常常見於大陸坡上層, 通常在泥或其他的軟海底上面.(參考文獻 9996) 卵生的.(參考文獻 50449)

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).西大西洋: 美國麻薩諸塞州與德拉瓦州與墨西哥灣北部。 東大西洋: 冰島,愛爾蘭西南方,加納利群島與馬得拉群島。

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

Compagno, L.J.V., 1999. Checklist of living elasmobranchs. p. 471-498. In W.C. Hamlett (ed.) Sharks, skates, and rays: the biology of elasmobranch fishes. Johns Hopkins University Press, Maryland. (Ref. 35766)

IUCN 瀕危狀態 (Ref. 130435)

  無危 (LC) ; Date assessed: 19 June 2019

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): 3.6 - 10.1, mean 6.7 °C (based on 250 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00355 (0.00176 - 0.00714), b=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
營養階層 (Ref. 69278):  4.0   ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref. 120179):  非常低的, 最小族群倍增時間超過14 年 (Fec assumed to be <10).
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (50 of 100).
Nutrients (Ref. 124155):  Calcium = 9.53 [1.72, 58.09] mg/100g; Iron = 0.338 [0.075, 1.163] mg/100g; Protein = 18.8 [16.7, 21.0] %; Omega3 = 0.234 [0.090, 0.612] g/100g; Selenium = 16.1 [4.9, 53.6] μg/100g; VitaminA = 6.11 [1.23, 28.29] μg/100g; Zinc = 0.296 [0.148, 0.550] mg/100g (wet weight);