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Elasmobranchii (haaien en roggen) (sharks and rays) > Rajiformes (Skates and rays) > Arhynchobatidae (Softnose skates)
Etymology: Atlantoraja: Greek, atlantes = havin the strenght of Atlas, the god that supported the pillar s of the universe in the Greek mithology + Latin, raja = ray (Raja sp.) (Ref. 45335).
More on author: Regan.

Environment: milieu / climate zone / depth range / distribution range Ecologie

marien demersaal; diepte ? - 150 m (Ref. 57911). Tropical; 20°S - 40°S, 60°W - 40°W (Ref. 57911)

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Western Atlantic: off the east coast of Brazil (Ref. 8630) from Cabo Frio southwards to Argentina (Ref. 57911).

Lengte bij maturiteit / Grootte / Gewicht / Leeftijd

Maturity: L_m 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).

Levenscyclus en paargedrag Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven

Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).

Hoofdreferentie Upload your references | Referenties | Coördinator : McEachran, John | Medewerkers

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)

Bedreigd (EN) (A2bd); Date assessed: 01 July 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

Visserij: commercieel

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Estimates based on models

Preferred temperature (Ref. 123201): 7.7 - 21.8, mean 17.9 °C (based on 89 cells).

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00575 (0.00362 - 0.00916), 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).

Fishing Vulnerability (Ref. 59153): Moderate to high vulnerability (52 of 100).

Prijsklasse (Ref. 80766): Medium.

Atlantoraja cyclophora (Regan, 1903)