Elasmobranchii (tubarões e raias) (sharks and rays) >
Rajiformes (Skates and rays) >
Rajidae (Skates)
Etymology: Rajella: Latin, raja, -ae = a sting ray (Raja sp.) (Ref. 45335); eisenhardti: Named after E. Roy Eisenhardt..
More on authors: Long & McCosker.
Environment: milieu / climate zone / depth range / distribution range
Ecologia
marinhas batidemersal; intervalo de profundidade 757 - 907 m (Ref. 31078). Deep-water
Southeast Pacific: Galapagos Islands. Not in Compagno's 1999 checklist (Ref. 35766).
Tamanho / Peso / Idade
Maturity: Lm ?  range ? - ? cm
Max length : 38.5 cm TL macho/indeterminado; (Ref. 31078)
Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).
Ciclo de vida ou comportamento de acasalamento
Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).
Long, D.J. and J.E. McCosker, 1999. A new species of deep-water skate, Rajella eisenhardti (Chondrichthyes: Rajidae) from the Galápagos Islands. Proc. Biol. Soc. Wash. 112(1):45-51. (Ref. 31078)
Status na Lista Vermelha da UICN (Ref. 130435)
Ameaça para os humanos
Harmless
Uso pelos humanos
Ferramentas
Relatórios especiais
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Fontes da internet
Estimates based on models
Preferred temperature (Ref.
123201): 4.5 - 5.8, mean 5.7 °C (based on 3 cells).
Índice de diversidade filogenética (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00302 (0.00141 - 0.00645), b=3.24 (3.07 - 3.41), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 3.6 ±0.5 se; based on size and trophs of closest relatives
Resiliência (Ref.
120179): Baixo, tempo mínimo de duplicação da população 4,5 - 14 anos (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (28 of 100).