Elasmobranchii (hajar och rockor) (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); aphyodes: Greek for whitish, referring to its pale-gray coloration (See ETYFish).
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina batypelagisk; djupintervall 1014 - 1800 m (Ref. 31787). Deep-water; 67°N - 57°N
Northeast Atlantic: Iceland and France.
Längd vid första mognad / Storlek / Vikt / Ålder
Könsmognad: Lm 56.9  range ? - ? cm
Max length : 53.8 cm TL hane/ej könsbestämd; (Ref. 31787)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Body slender and cylindrical. Dermal denticles from dorsolateral side of body small and erect.
Body shape (shape guide): elongated.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).
Nakaya, K. and M. Stehmann, 1998. A new species of deep-water catshark, Apristurus aphyodes n. sp., from the Eastern North Atlantic (Chondrichthyes: Carchariniformes: Scyliorhinidae). Arch. Fish. Mar. Res. 46(1):77-90. (Ref. 31787)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: saknar intresse
Verktyg
Särskilda rapporter
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Internet-källor
Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (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). |
Trofisk nivå (Ref. 69278) |
3.9 ±0.6 se; based on size and trophs of closest relatives |
Resiliens (Ref. 120179) |
Mycket låg, lägsta populationsfördubblingstid mer än 14 år (Fec assumed to be <10). |
Sårbarhet i fisket (Ref. 59153) |
Low to moderate vulnerability (28 of 100). 🛈 |
Näringsämnen (Ref. 124155) |
Calcium = 68 [11, 679] mg/100g; Iron = 0.416 [0.082, 2.133] mg/100g; Protein = 18.2 [15.6, 20.9] %; Omega3 = 0.217 [0.047, 0.913] g/100g; Selenium = 3.5 [0.6, 22.8] μg/100g; VitaminA = 338 [26, 4,063] μg/100g; Zinc = 1.53 [0.54, 4.90] mg/100g (wet weight); |