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); albisoma: albus (L.), white; soma (Gr.), body, referring to its whitish color. (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien bathydemersaal; diepte 935 - 1564 m (Ref. 36058). Deep-water
Western Pacific: southern waters off New Caledonia, slopes of the seamounts of the Norfolk and Lord Howe ridges.
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 59.6 cm TL mannelijk / geslacht onbekend; (Ref. 36058); 56.6 cm TL (female)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Body whitish. Eyes small; interobital region 2.7 - 3.6 times eye diameter. Supraorbital sensory canal continuous. Second dorsal fin axil before anal fin axil. Upper labial furrows equal or shorter than lower furrows. Tricuspid dermal denticles overlapping. Spiral valves 6-10.
Sexual maturity attained between 40 and 50 cm TL (Ref. 36058). Oviparous (Ref. 50449).
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).
Nakaya, K. and B. Séret, 1999. A new species of deepwater catshark, Apristurus albisoma n.sp. from New Caledonia (Chondrichthyes: Carcharhiniformes: Scyliorhinidae). Cybium 23(3):297-310. (Ref. 36058)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Tools
Speciale rapporten
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Estimates based on models
Preferred temperature (Ref.
123201): 3 - 4.5, mean 3.9 °C (based on 108 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 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): 3.9 ±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): Moderate vulnerability (44 of 100).
