Elasmobranchii (hajar och rockor) (sharks and rays) >
Carcharhiniformes (Ground sharks) >
Pentanchidae (Deepwater catsharks)
Etymology: Asymbolus: Etymology not explained, possibly a-, Latin privative, i.e., without; sym-, from syn (Gr.), together or joined; bolus (L.), lump or morsel, proposed as a subgenus of Scyliorhinus (Scyliorhinidae) distinguished in part by labial fold of upper lip not hanging over lower-jaw symphysis of A. analis and A. vincenti (See ETYFish); analis: Latin for anal, probably referring to its anal fin, which is larger than second dorsal fin (See ETYFish).
More on author: Ogilby.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina revassocierade; djupintervall 10 - 180 m (Ref. 9002), usually 10 - 60 m (Ref. 9002). Temperate; 32°S - 38°S
Indo-West Pacific: Australia.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 90.0 cm TL hane/ej könsbestämd; (Ref. 9002)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Body long, rounded, head flattened with pointed snout, gill slits lateral, no ridge over eyes.
Body shape (shape guide): elongated.
Occurs on the continental shelf, from close inshore to offshore. Oviparous (Ref. 6871).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).
Last, P.R. and J.D. Stevens, 1994. Sharks and rays of Australia. CSIRO, Australia. 513 p. (Ref. 6871)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Mänskliga användningsområden
Fiskeri: saknar intresse
Verktyg
Särskilda rapporter
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5020 [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) |
4.3 ±0.5 se; based on size and trophs of closest relatives |
Resiliens (Ref. 120179) |
Låg, lägsta populationsfördubblingstid 4,5-14 år (Fec assumed to be <100). |
Sårbarhet i fisket (Ref. 59153) |
Moderate vulnerability (42 of 100). 🛈 |
Näringsämnen (Ref. 124155) |
Calcium = 3.3 [0.9, 16.9] mg/100g; Iron = 0.122 [0.031, 0.360] mg/100g; Protein = 18.8 [15.6, 21.9] %; Omega3 = 0.201 [0.081, 0.468] g/100g; Selenium = 7.16 [2.06, 23.17] μg/100g; VitaminA = 38.7 [11.0, 134.9] μg/100g; Zinc = 0.406 [0.185, 0.836] mg/100g (wet weight); |