Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (Haie und Rochen) (sharks and rays) > Rajiformes (Skates and rays) > Arhynchobatidae (Softnose skates)
Etymology: Bathyraja: Greek, bathys = deep + Latin, raja, -ae = a ray (Raja sp) (Ref. 45335); cousseauae: Named for María Berta Cousseau of Dept. de Ciencias Marinas, Universidad Nacional de Mar del Plata..

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

seewasser demersal; tiefenbereich 119 - 284 m (Ref. 55502). Subtropical

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

Southwestern Atlantic: Off northern Patagonian, off Mar del Plata, Argentina. Southeast Pacific: Chile.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 86.0 cm TL Männchen/unbestimmt; (Ref. 55502)

Kurzbeschreibung Morphologie | Morphometrie

This species is distinguished by having the following characters: a large and very distinct round pale area ocellus-like, margined with dark brown on posterior part of each pectoral base of the upper side of the disc; upper surface of disc fully covered with numerous small spinules, also on interorbital area, tail, dorsal fins, and posterior pelvic lobes; larger individuals with scattered spinules distributed in central parts of the disc; ocular thorns absent; continuous row of 21-27 median thorns from nuchal; region to first dorsal fin; males have elongated, slender rod-shaped claspers; dorsal fin densely spinulose close to the end of tail and with no space between them (Ref. 55502).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Hauptreferenz Upload your references | Referenzen | Koordinator : McEachran, John | Partner

Díaz de Astarloa, J.M. and E. Mabragaña, 2004. Bathyraja cousseauae sp. n.: a new softnose skate from the southwestern Atlantic (Rajiformes, Rajidae). Copeia 2004(2):326-335. (Ref. 55502)

IUCN Rote Liste Status (Ref. 126983)

nicht bedroht (LC) ; Date assessed: 07 February 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

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Estimates based on models

Preferred temperature (Ref. 123201): 4.5 - 6.4, mean 5.8 °C (based on 37 cells).

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

Bayesian length-weight: a=0.00603 (0.00315 - 0.01154), b=3.12 (2.96 - 3.28), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).

Trophic level (Ref. 69278): 4.0 ±0.7 se; based on size and trophs of closest relatives

Widerstandsfähigkeit (Ref. 120179): sehr niedrig, Verdopplung der Population dauert mehr als 14 Jahre. (Preliminary K or Fecundity.).

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

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Bathyraja cousseauae Díaz de Astarloa & Mabragaña, 2004