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Elasmobranchii (haaien en roggen) (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); canutus: Latin for hoary (gray or ash-colored), referring to its dark-gray coloration (with minute white spots underneath denticles). (See ETYFish).

Environment: milieu / climate zone / depth range / distribution range Ecologie

marien bathydemersaal; diepte 500 - 1000 m (Ref. 55584). Deep-water; 18°N - 13°N

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Western Central Atlantic: leeward islands off Antigua and Anguilla.

Grootte / Gewicht / Leeftijd

Maturity: L_m ? range ? - ? cm
Max length : 43.0 cm TL mannelijk / geslacht onbekend; (Ref. 244); 45.0 cm TL (female)

A deepwater bottom shark found on the insular slopes off the leeward islands. Oviparous (Ref. 50449). Poorly known. Not utilized at present.

Levenscyclus en paargedrag Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven

Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449). Females spawn off leeward islands (Ref. 244).

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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 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244)

Status op de Rode Lijst van het IUCN (Ref. 130435)

Niet bedreigd (LC) ; Date assessed: 18 June 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

Visserij: van geen belang

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Estimates based on models

Preferred temperature (Ref. 123201): 6.6 - 9, mean 7.3 °C (based on 7 cells).

Fylogenetische diversiteitsindex (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).

Trofisch niveau (Ref. 69278): 3.8 ±0.4 se; based on size and trophs of closest relatives

Weerstandsvermogen (Ref. 120179): Zeer laag, minimale populatieverdubbelingstijd meer dan 14 jaar (Fec assumed to be <10).

Fishing Vulnerability (Ref. 59153): Low to moderate vulnerability (35 of 100).

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Apristurus canutus Springer & Heemstra, 1979