Apristurus bucephalus, Bighead catshark

Apristurus bucephalus White, Last & Pogonoski, 2008

Bighead 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 bucephalus   AquaMaps   Data sources: GBIF OBIS
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Image of Apristurus bucephalus (Bighead catshark)
No image available for this species;
drawing shows typical species in Pentanchidae.

Classificatie / Namen Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

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)bucephalus: bu- (L.), prefix meaning large; cephalus, from kephale (Gr.), head, referring to its large, broad head (See ETYFish).
More on authors: White, Last & Pogonoski.

Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied Ecologie

marien bathydemersaal; diepte 1030 - 1140 m (Ref. 76944). Deep-water

Verspreiding Gebieden | FAO regio's | Ecosystemen | Voorkomen | Verspreidingskaart | Introducties | Faunafri

Eastern Indian Ocean: Western Australia.

Grootte / Gewicht / Leeftijd

Maturiteit: Lm ?  range ? - ? cm
Max length : 67.5 cm TL (female)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

This moderately-large species has the following characters: labial furrows of upper and lower subequal in length; relatively short preorbital snout; very robust head, its width (at mouth corners) 13.9% TL; large mouth, its width 11.1% TL; large orbit, its length 3.7% TL; relatively long length of prepectoral and prepelvic; first dorsal fin is slightly smaller than second one, its origin well forward of pelvic fin insertion; tall anal fin, short based, triangular in shape; widely spaced dermal denticles, moderately large, deciduous, with long medial cusps; species size to at least 67.5 cm TL; uniformly medium yellowish brown body and fins ; about 66 teeth rows in upper jaw, about 55 rows in lower jaw; adult female teeth with 5 cusps, 1 very long medial cusp, 2 much shorter inner lateral cusps, 2 much shorter outer lateral cusps situated anteriorly to inner lateral cusps; 35 monospondylous vertebrae; 26 diplospondylous precaudal vertebrae; about 108 total vertebrae (Ref. 76944).
Body shape (shape guide): elongated.

Biologie     Verklarende woordenlijst (bv. epibenthic)

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

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White, W.T., P.R. Last and J.J. Pogonoski, 2008. Apristurus bucephalus sp. nov., a new deepwater catshark (Carcharhiniformes: Scyliorhinidae) from southwestern Australia. pp. 105-111. In P.R. Last, W.T. White and J.J. Pogonoski (eds). Descriptions of new Australian chondrichthyans. CSIRO Marine and Atmospheric Research Paper no. 22. 365 p. (Ref. 76944)

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

  Onvoldoende gegevens (DD) ; Date assessed: 17 February 2015

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless





Gebruik door de mens

Visserij: van geen belang
FAO - Publication: search | FishSource |

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Schattingen op basis van modellen

Fylogenetische diversiteitsindex
(Ref. 82804)
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight a=0.00347 (0.00171 - 0.00701), 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)
4.0   ±0.6 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).
Kwetsbaarheid van de visserij
(Ref. 59153)
Moderate vulnerability (38 of 100). 🛈