Elasmobranchii (haaien en roggen) (sharks and rays) >
Rajiformes (Skates and rays) >
Arhynchobatidae (Softnose skates)
Etymology: Atlantoraja: Greek, atlantes = having the strength of Atlas, the god that supported the pillars of the universe in the Greek mithology + Latin, raja = ray (Raja sp.) (Ref. 45335).
More on author: Regan.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien demersaal; diepte ? - 150 m (Ref. 57911). Tropical; 20°S - 40°S, 60°W - 40°W (Ref. 57911)
Western Atlantic: off the east coast of Brazil (Ref. 8630) from Cabo Frio southwards to Argentina (Ref. 57911).
Lengte bij maturiteit / Grootte / Gewicht / Leeftijd
Maturiteit: Lm 53.9, range 52 - 58 cm
Max length : 78.9 cm TL mannelijk / geslacht onbekend; (Ref. 57911); 36.2 cm WD (female)
Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).
Oviparous, 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 op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: commercieel
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Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref. 82804) |
PD50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00562 (0.00355 - 0.00891), b=3.03 (2.90 - 3.16), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
Trofisch niveau (Ref. 69278) |
3.5 ±0.50 se; based on food items. |
Weerstandsvermogen (Ref. 120179) |
Zeer laag, minimale populatieverdubbelingstijd meer dan 14 jaar (Fec assumed to be <10). |
Kwetsbaarheid van de visserij (Ref. 59153) |
High vulnerability (58 of 100). 🛈 |
Prijsklasse (Ref. 80766) |
Medium.
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