Élasmobranches (requins et raies) (sharks and rays) >
Rajiformes (Skates and rays) >
Arhynchobatidae (Softnose skates)
Etymology: Psammobatis: Greek, psammos = sand + Greek, batis, batidos = a ray (Raja sp.) (Ref. 45335).
Eponymy: John Roxborough Norman (1898–1944) was an English ichthyologist who started his working life as a bank clerk. [...] (Ref. 128868), visit book page.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin démersal; profondeur ? - 121 m (Ref. 58018). Subtropical
Southeast Pacific (Ref. 27540) and Southwest Atlantic: Uruguay to Argentina (Ref. 58839).
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 58.0 cm TL mâle / non sexé; (Ref. 126345); 55.0 cm TL (female); poids max. publié: 1.4 kg (Ref. 126345); poids max. publié: 1.4 kg
Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 82804) |
PD50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00575 (0.00365 - 0.00908), b=3.07 (2.94 - 3.20), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
Niveau trophique (Réf. 69278) |
3.8 ±0.7 se; based on size and trophs of closest relatives |
Résilience (Réf. 120179) |
Faible, temps minimum de doublement de population : 4,5 à 14 années (Fec assumed to be <100). |
Vulnérabilité de la pêche (Ref. 59153) |
Moderate to high vulnerability (53 of 100). 🛈 |
Nutriments (Ref. 124155) |
Calcium = 110 [16, 2,849] mg/100g; Iron = 1.33 [0.12, 18.12] mg/100g; Protein = 14.6 [12.9, 16.4] %; Omega3 = 0.69 [0.17, 2.70] g/100g; Selenium = 6.27 [0.76, 40.18] μg/100g; VitaminA = 224 [11, 4,346] μg/100g; Zinc = 1.74 [0.13, 20.44] mg/100g (wet weight); based on nutrient studies. |