Elasmobranchii (haaien en roggen) (sharks and rays) >
Rajiformes (Skates and rays) >
Gurgesiellidae (Pygmy skates)
Etymology: Cruriraja: Latin, crur, cruris = pertaining to a leg + Latin, raja = a ray (Raja sp) (Ref. 45335).
Eponymy: Professor Felipe Poey y Aloy (1799–1891) was a Cuban zoologist, naturalist and artist. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien bathydemersaal; diepte 385 - 870 m (Ref. 28767). Deep-water
Western Central Atlantic: Florida, USA to the Bahamas.
Grootte / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 32.8 cm TL mannelijk / geslacht onbekend; (Ref. 6902)
Upper surface of disc is largely smooth except around the eyes. Pale coffee brown except for a translucent area either side of rostral cartilage. Pale areas around the mouth, gill openings and tail (Ref. 6902).
Solitary (Ref. 26340). Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
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)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-1)
Gevaar voor de mens
Harmless
Gebruik door de mens
Tools
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Estimates based on models
Preferred temperature (Ref.
123201): 7.1 - 14.4, mean 9.9 °C (based on 87 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00661 (0.00222 - 0.01969), b=2.95 (2.71 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.8 ±0.5 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): Low vulnerability (23 of 100).