Elasmobranchi (squali e razze) (sharks and rays) >
Rajiformes (Skates and rays) >
Gurgesiellidae (Pygmy skates)
Etymology: Fenestraja: Latin, fenestra, -ae = small hole or opening in a bone + Latin, raja, -ae = a fish, Raja sp. (Ref. 45335).
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
marino batidemersale. Deep-water
Western Central Atlantic: Bahamas and the Florida Keys.
Dimensione / Peso / Età
Maturità: Lm ?  range ? - ? cm
Max length : 22.0 cm TL (female)
Tail posterior to the tips of the pelvic fins. Prickles on disc and tail are not densely pigmented. Dark marking on disc and tail. Upper surface of disc pale brown. Lower surface pale yellowish without dark markings (Ref. 6902).
Body shape (shape guide): other.
Solitary (Ref. 26340). Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).
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
Strumenti
Rapporti speciali
Scarica XML
Fonti Internet
Stime basate su modelli
Temperatura preferita (Fonte Biblio.
123201): 4.1 - 8.8, mean 4.7 °C (based on 200 cells).
Indice di diversità filogenetica (Fonte Biblio.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00661 (0.00227 - 0.01925), b=2.95 (2.71 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Livello trofico (Fonte Biblio.
69278): 3.7 ±0.5 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): Low vulnerability (12 of 100).
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