Elasmobranchii (haaien en roggen) (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.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien demersaal; diepte ? - 121 m (Ref. 58018). Subtropical
Southeast Pacific (Ref. 27540) and Southwest Atlantic: Uruguay to Argentina (Ref. 58839).
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 58.0 cm TL mannelijk / geslacht onbekend; (Ref. 126345); 55.0 cm TL (female); max. gepubliceerd gewicht: 1.4 kg (Ref. 126345); max. gepubliceerd gewicht: 1.4 kg
Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
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)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
Tools
Speciale rapporten
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Internetbronnen
Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref. 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). |
Trofisch niveau (Ref. 69278) |
3.8 ±0.7 se; based on size and trophs of closest relatives |
Weerstandsvermogen (Ref. 120179) |
laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Fec assumed to be <100). |
Kwetsbaarheid van de visserij (Ref. 59153) |
Moderate to high vulnerability (53 of 100). 🛈 |
Voedingsstoffen (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. |