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

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

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (Haie und Rochen) (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 Ökologie

; seewasser bathydemersal; tiefenbereich 230 - 1500 m (Ref. 26346).   Deep-water; 64°N - 57°S, 77°W - 159°W

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | 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 / Size / Gewicht / Alter

Maturity: Lm 75.4, range 82 - ? cm
Max length : 130 cm TL Männchen/unbestimmt; (Ref. 6577); max. veröff. Alter: 54 Jahre (Ref. 57506)

Kurzbeschreibung Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt): 2; Rückenflossenweichstrahlen (insgesamt): 0; Afterflossenstacheln 0; Afterflossenweichstrahlen: 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).

Biologie     Fachlexikon (Englisch) (z.B. 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 Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

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

Hauptreferenz Upload your references | Referenzen | Koordinator | Partner

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 Rote Liste Status (Ref. 120744)

  nicht bedroht (LC) ; Date assessed: 30 April 2003

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Poisonous to eat (Ref. 6871)





Nutzung durch Menschen

Fischereien: weniger kommerziell
FAO(Fischereien: production; publication : search) | FIRMS (Stock assessments) | FishSource | Sea Around Us

Mehr Information

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Ökologie
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Namen
Synonyme
Metabolismus
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Ökotoxikologie
Fortpflanzung
Geschlechtsreife
Ablaichen
Spawning aggregation
Fecundity
Eier
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Alter/Größe
Wachstum
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Länge-Länge
Längenhäufigkeiten
Morphometrie
Morphologie
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Otoliths
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Internet Quellen

Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | FishWatcher Einträge suchen | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(Genom, nucleotide) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Nationale Datenbanken | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Tree of Life | Wikipedia(Gehe zu, Suchen) | World Records Freshwater Fishing | Zoological Record

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).
Trophic Level (Ref. 69278):  4.2   ±0.4 se; Based on diet studies.
Widerstandsfähigkeit (Ref. 69278):  sehr niedrig, Verdopplung der Population dauert mehr als 14 Jahre. (Fec=4-8, tmax=54, tm=9-15).
Verwundbarkeit (Ref. 59153):  Very high vulnerability (78 of 100) .
Preiskategorie (Ref. 80766):   High.