Elasmobranchii (hajar och rockor) (sharks and rays) >
Rajiformes (Skates and rays) >
Arhynchobatidae (Softnose skates)
Etymology: Arhynchobatis: Greek, a = without + Greek, rhyngchos = snout + Greek, batis, -idos = a ray (Raja sp.) (Ref. 45335).
More on author: Waite.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina djupbottenlevande; djupintervall 90 - 1070 m (Ref. 26346). Deep-water
Southwest Pacific: endemic to New Zealand.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 75.0 cm TL hane/ej könsbestämd; (Ref. 26346)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Dorsal side dark brown or purplish-grey in color and covered with small erect prickles (Ref. 26346).
Body shape (shape guide): other.
Inhabits the continental slope (Ref. 26346). Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Oviparous, young hatch at about 10 cm. Paired eggs are laid. Embryos feed solely on yolk (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).
McEachran, J.D. and K.A. Dunn, 1998. Phylogenetic analysis of skates, a morphologically conservative clade of elasmobranchs (Chondrichthyes: Rajidae). Copeia 1998(2):271-290. (Ref. 27314)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Verktyg
Särskilda rapporter
Ladda ner XML
Internet-källor
Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
|
Bayesian length-weight
|
a=0.00562 (0.00287 - 0.01102), b=3.11 (2.94 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.9 ±0.7 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) |
High vulnerability (60 of 100). 🛈 |
Näringsämnen (Ref. 124155) |
Calcium = 8.03 [1.46, 39.68] mg/100g; Iron = 0.318 [0.074, 0.996] mg/100g; Protein = 16.4 [13.6, 18.8] %; Omega3 = 0.538 [0.174, 2.078] g/100g; Selenium = 13 [4, 41] μg/100g; VitaminA = 9.9 [2.3, 43.2] μg/100g; Zinc = 0.325 [0.163, 0.604] mg/100g (wet weight); |