Classification / Names Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (hajar och rockor) (sharks and rays) > Rajiformes (Skates and rays) > Rajidae (Skates)
Etymology: Dipturus: Greek, di = two + Greek, pteryx = fin (Ref. 45335).

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

marina djupbottenlevande; djupintervall 310 - 1900 m (Ref. 114953). Deep-water; 35°N - 4°S, 97°W - 35°W (Ref. 114953)

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

Western Atlantic: North Carolina (Ref. 114953), off Florida (Ref. 12965, 13608) including Gulf of Mexico (Ref. 114953) to northern coast of Colombia, and off Suriname (Ref. 13608 and Brazil (Ref. 53436)

Size / Vikt / Age

Maturity: L_m ? range ? - ? cm
Max length : 84.0 cm TL hane/ej könsbestämd; (Ref. 114953)

Short description Morfologi | Morfometri

Lack of thorns along the midbelt of the disc from the level of the axils of the pectoral fins to the vicinity of the spiracles. Tails widen rearward toward the dorsal fins. No interspace between the bases of the dorsal fins. Upper surface pale brown, darker along posterior margins of disc, pelvic fins and tail. Dorsal fins and caudal black. Lower surface margined with black rearward from the level of the mouth (Ref. 6902).

Found on upper continental slope (Ref. 114953). Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205). Males reaches maturity at ca.63 cm TL (Ref. 114953).

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).

Main reference Upload your references | referenser | Koordinator : McEachran, John | Medarbetare

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)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 20 June 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Fiskeri: mindre kommeriell

FAO - Publication: search | FishSource |

Ytterligare information

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Estimates based on models

Preferred temperature (Ref. 123201): 7 - 15, mean 10.1 °C (based on 115 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00282 (0.00133 - 0.00596), b=3.25 (3.08 - 3.42), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).

Trofisk nivå (Ref. 69278): 3.8 ±0.6 se; based on size and trophs of closest relatives

Resiliens (Ref. 120179): Låg, lägsta populationsfördubblingstid 4,5-14 år (Fec assumed to be <100).

Fishing Vulnerability (Ref. 59153): Moderate to high vulnerability (54 of 100).

Price category (Ref. 80766): Medium.

Dipturus teevani (Bigelow & Schroeder, 1951)