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Centroscymnus crepidater (Barbosa, du, Bocage, de, Brito & Capello, 1864)

Longnose velvet dogfish
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Centroscymnus crepidater
Picture by Cambraia Duarte, P.M.N. (c)ImagDOP

分類 / Names 共通名の | 類義語 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

板鰓亜鋼(サメとエイ類) (sharks and rays) > Squaliformes (Bramble, sleeper and dogfish sharks) > Somniosidae (Sleeper sharks)
Etymology: Centroscymnus: Greek, kentron = sting + Greek, skymnos, -ou = pup, puppy (Ref. 45335).

Issue
As Centroselachus crepidater in Ref. 58085:113; please send taxonomic reference(s) to confirm genus placement.

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

; 海 深海魚; 深さの範囲 230 - 1500 m (Ref. 26346).   Deep-water; 64°N - 57°S, 77°W - 159°W

分布 国々 | 国連食糧農業機関の区域 | エコシステム | 事件 | Point map | 導入 | Faunafri

Eastern Atlantic: Iceland, Faeroe Islands along Atlantic slope to Portugal, Senegal, Madeira, Gabon to Democratic Republic of the Congo, Namibia. Indian Ocean: Aldabra and the Travancore coast of India. Western Pacific: New South Wales, Australia and New Zealand. Southeast Pacific: northern Chile.

Length at first maturity / サイズ / 重さ / 年齢

Maturity: Lm 75.4, range 82 - ? cm
Max length : 130 cm TL オス/雌雄の選別がない; (Ref. 6577); 最大記録サイズ: 54 年 (Ref. 57506)

簡単な記述 形態学 | 形態計測学

背面の脊椎 (合計): 2; 背鰭 (合計): 0; 肛門の骨 0; 臀鰭: 0. Black or blackish brown in color, dorsal fins with very small fin spines, very long snout, greatly elongated labial furrows that nearly encircle mouth, lanceolate upper teeth and bladelike lower teeth with moderately long, oblique cusps, fairly slender body that does not taper abruptly from pectoral region, moderately large lateral trunk denticles with partly smooth, oval, cuspidate crowns in adults and subadults (Ref. 247).

生物学     用語集 (例 epibenthic)

A fairly common species found on continental and insular slopes (Ref. 6871), on or near the bottom (Ref. 5578). Feeds mainly on fish and cephalopods (Ref. 6871). Ovoviviparous (Ref. 205), with 4-8 young in a litter (Ref. 6871), born at 28-35 cm (Ref. 26346). The flesh is high in mercury; utilized as fishmeal and source of squalene (Ref. 6871).

Life cycle and mating behavior 成熟 | 繁殖 | 放精 | | 生産力 | 幼生

Ovoviviparous, with 4-8 young in a litter (Ref. 6871). Born at 28-35 cm (Ref. 26346). Distinct pairing with embrace (Ref. 205).

主な参考文献 Upload your references | 参考文献 | コーディネーター | 協力者

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のレッドリストの状況は (Ref. 119314)

  軽度懸念 (LC) ; Date assessed: 30 April 2003

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Poisonous to eat (Ref. 6871)





Human uses

水産業: 少数商業の
FAO(水産業: 代謝; publication : search) | FIRMS (Stock assessments) | FishSource | 私達の周りの海

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共通名の
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生態毒性
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形態計測学
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シガテラ(食中毒の名前)
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インターネットの情報源

Estimates of some properties based on models

Preferred temperature (Ref. 115969): 2.6 - 10.8, mean 7.8 (based on 659 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5313   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00468 (0.00199 - 0.01098), b=3.13 (2.93 - 3.33), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
栄養段階 (Ref. 69278):  4.2   ±0.4 se; Based on diet studies.
回復力 (Ref. 69278):  非常に低い, 14年以上の倍増期間の最小個体群 (Fec=4-8, tmax=54, tm=9-15).
弱み (Ref. 59153):  Very high vulnerability (78 of 100) .
価格帯 (Ref. 80766):   High.