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); saldanha: Named for Saldanha Bay, South Africa, type locality (See ETYFish).
More on author: Barnard.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien bathydemersaal; diepte 453 - 717 m (Ref. 5578). Deep-water; 31°S - 40°S
Southeast Atlantic: Cape Columbine to south of False Bay in South Africa (Ref. 5578).
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 88.0 cm TL mannelijk / geslacht onbekend; (Ref. 5578)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 0; Anale stekels: 0. A stout, plain catshark with moderately large eyes, a long, thick and broad snout, and long labial furrows; mouth not projecting in front of eyes; pectoral fins large (Ref. 5578). Uniformly dark grey-brown (Ref. 5578).
Body shape (shape guide): elongated.
Found on the continental slope (Ref. 244). Feeds on small bony fish and cephalopods (Ref. 5578). Oviparous (Ref. 50449).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Oviparous (Ref. 5578). Paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).
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: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van geen belang
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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]. |
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Bayesian length-weight
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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) |
4.2 ±0.7 se; based on diet studies. |
Weerstandsvermogen (Ref. 120179) |
Zeer laag, minimale populatieverdubbelingstijd meer dan 14 jaar (Fec assumed to be <10). |
Kwetsbaarheid van de visserij (Ref. 59153) |
Moderate vulnerability (42 of 100). 🛈 |