Elasmobranchi (squali e razze) (sharks and rays) >
Rajiformes (Skates and rays) >
Arhynchobatidae (Softnose skates)
Etymology: Bathyraja: Greek, bathys = deep + Latin, raja, -ae = a ray (Raja sp) (Ref. 45335).
More on author: Norman.
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
marino demersale; distribuzione batimetrica 100 - 500 m (Ref. 104534), usually 104 - 159 m (Ref. 104534). Temperate; 35°S - 55°S, 67°W - 52°W (Ref. 104534)
Southwest Atlantic: Uruguay to Argentina (Ref. 58839) and around the Falkland/Malvinas Islands (Ref. 104534).
Dimensione / Peso / Età
Maturità: Lm ?  range ? - ? cm
Max length : 111 cm TL maschio/sesso non determinato; (Ref. 104534)
Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205). Reportedly taken as bycatch in deeper water benthic trawl and longline teleost target fisheries as well as in target longline skate fishing from off Mar del Plata, Argentina (Ref. 104534).
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
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)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Pesca: commerciale
Strumenti
Rapporti speciali
Scarica XML
Fonti Internet
Stime basate su modelli
Indice di diversità filogenetica (Fonte Biblio. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
|
Bayesian length-weight
|
a=0.00562 (0.00298 - 0.01063), b=3.13 (2.97 - 3.29), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
Livello trofico (Fonte Biblio. 69278) |
4.0 ±0.7 se; based on size and trophs of closest relatives |
Resilienza (Fonte Biblio. 120179) |
Basso, tempo minimo di raddoppiamento della popolazione 4.5 - 14 anni (Fec assumed to be <100). |
Vulnerabilità della pesca (Ref. 59153) |
High to very high vulnerability (70 of 100). 🛈 |
Categoria di prezzo (Ref. 80766) |
Medium.
|
Nutrienti (Ref. 124155) |
Calcium = 4.32 [0.65, 78.93] mg/100g; Iron = 0.242 [0.023, 2.796] mg/100g; Protein = 14.9 [13.3, 16.7] %; Omega3 = 0.677 [0.259, 1.711] g/100g; Selenium = 15 [3, 70] μg/100g; VitaminA = 9.8 [0.8, 124.4] μg/100g; Zinc = 0.296 [0.020, 3.302] mg/100g (wet weight); based on nutrient studies. |