Elasmobranchii (tubarões e raias) (sharks and rays) >
Rajiformes (Skates and rays) >
Rajidae (Skates)
Etymology: Rostroraja: Latin, rostrum = beak + Latin, raja, -ae = a sting ray (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Ecologia
marinhas demersal; intervalo de profundidade 35 - 300 m (Ref. 28023), usually 35 - 140 m (Ref. 9261). Deep-water
Eastern Pacific: Gulf of California and Costa Rica to Colombia and Peru.
Tamanho / Peso / Idade
Maturity: Lm ?  range ? - ? cm
Max length : 83.0 cm TL macho/indeterminado; (Ref. 96339); common length : 60.0 cm TL macho/indeterminado; (Ref. 9261)
Benthic on the continental shelf. Feed on crustaceans, polychaetes and fishes (Ref. 28023). Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).
Life cycle and mating behavior
Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas
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)
Categoria na Lista Vermelha da IUCN (Ref. 130435)
Ameaça para o homem
Harmless
Utilização humana
Ferramentas
Relatórios especiais
Descarregue XML
Fontes da internet
Estimates based on models
Preferred temperature (Ref.
123201): 13.3 - 25.3, mean 15.9 °C (based on 90 cells).
Phylogenetic diversity index (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 ±0.53 se; based on food items.
Resiliência (Ref.
120179): Baixo, tempo mínimo de duplicação da população 4,5 - 14 anos (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (53 of 100).