Chlamydoselachus anguineus, Frilled shark : fisheries

Chlamydoselachus anguineus Garman, 1884

Frilled shark
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Chlamydoselachus anguineus   AquaMaps   Data sources: GBIF OBIS
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Chlamydoselachus anguineus
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Elasmobranchii (haaien en roggen) (sharks and rays) > Hexanchiformes (Frill and cow sharks) > Chlamydoselachidae (Frilled sharks)
Etymology: Chlamydoselachus: chlamydos (Gr.), cloak or mantle, referring to first pair of gill slits that fit like a cloak or frill around throat; selachos (Gr.), a cartilaginous fish (i.e., shark or ray) (See ETYFish)anguineus: Latin for snake-like, referring to its snake- or eel-like shape (See ETYFish).
More on author: Garman.

Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied Ecologie

marien bathydemersaal; diepte 0 - 1570 m (Ref. 10290), usually 120 - 1280 m (Ref. 247). Deep-water; 74°N - 58°S, 169°W - 180°E (Ref. 84631)

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Wide-ranging but with patchy distribution. Western Indian Ocean: off South Africa. Western Pacific: off Japan to New Zealand. Eastern Pacific: southern California, USA to northern Chile. Eastern Atlantic: northern Norway to northern Namibia, possibly the eastern Cape of Good Hope, South Africa. Three specimens have been recorded from the western Atlantic (Ref. 13608).

Lengte bij maturiteit / Grootte / Gewicht / Leeftijd

Maturiteit: Lm 145.0, range 135 - 150 cm
Max length : 200 cm TL mannelijk / geslacht onbekend; (Ref. 26346)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale stekels (totaal) : 0; Anale stekels: 0; Wervels: 146 - 171. Eel-like shark with 6 gill slits, the lower ends of the first gill slits connected t each other across throat (Ref. 247). Dark brown or grey in color, sometimes paler below (Ref. 26346). Dorsal fin small and lobe-like originating over pelvic fin bases to behind anal fin origin (Ref. 6871). Anal fin larger than dorsal fin (Ref. 6871). Pectoral fins small and paddle-shaped (Ref. 6871). Caudal fin with weak ventral lobe and without subterminal notch (Ref. 6871). Terminal mouth with tricuspid teeth in both jaws (Ref. 247).
Body shape (shape guide): elongated.

Biologie     Verklarende woordenlijst (bv. epibenthic)

An uncommon primitive shark (Ref. 26346) found on outer continental and insular shelves and upper slopes, usually between 120 and 1,280 m but occasionally caught at the surface (Ref. 247). Feeds on other sharks, squid and bony fish (Ref. 26346). Ovoviviparous (Ref. 50449), litter size ranges from 2 to 10 (Ref. 37390). Not dangerous but teeth are sharp enough to inflict lacerations on the hands of the unwary scientist examining its mouth (Ref. 247). Incidental in bottom trawl catches and utilized as fishmeal and as food fish (Ref. 247).

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

Ovoviviparous, embryos feed solely on yolk (Ref. 50449). Number of young 2 to 15 (Ref. 26346). Gestation period is probably very long, one to two years (Ref. 39551). Size at birth 40-60 cm (Ref. 6871). Distinct pairing with embrace (Ref. 205).

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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)

Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))

  Niet bedreigd (LC) ; Date assessed: 04 May 2023

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Traumatogenic (Ref. 247)





Gebruik door de mens

Visserij: van minder commercieel belang
FAO - visserij: soortsprofiel; Publication: search | FishSource |

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Schattingen op basis van modellen

Fylogenetische diversiteitsindex
(Ref. 82804)
PD50 = 1.0078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
Trofisch niveau
(Ref. 69278)
4.2   ±0.4 se; based on diet studies.
Weerstandsvermogen
(Ref. 120179)
Zeer laag, minimale populatieverdubbelingstijd meer dan 14 jaar (Fec=2).
Kwetsbaarheid van de visserij
(Ref. 59153)
Very high vulnerability (82 of 100). 🛈
Prijsklasse
(Ref. 80766)
Unknown.