Elasmobranchii (tubarões e raias) (sharks and rays) >
Myliobatiformes (Stingrays) >
Urolophidae (Round rays)
Etymology: Urolophus: Greek, oura = tail + Greek, lophos = crest (Ref. 45335); deforgesi: Named for Bertrand Richer de Forges of the Institute de Recherche pour le Développemen, for promoting the recent exploration of the bathyal fauna off New Caledonia and for collecting valuable fish specimens from cruise surveys (Ref. 51067).
Eponymy: Dr Bertrand Richer-de-Forges (d: 1948) is a French carcinologist and marine biologist who (since 1984) has been based at ORSTOM, Noumea, New Caledonia. [...] (Ref. 128868), visit book page.
More on authors: Séret & Last.
Meio ambiente: milieu / Zona climática / intervalo de profundidade / faixa de distribuição
Ecologia
marinhas batidemersal; intervalo de profundidade 203 - 330 m (Ref. 51067). Deep-water
Western Central Pacific: Chesterfield Islands.
Tamanho / Peso / Idade
Maturidade: Lm ? range ? - ? cm
Max length : 34.2 cm TL macho/indeterminado; (Ref. 51067)
Descrição suscinta
Chaves de identificação | Morfologia | Morfometria
Espinhos dorsais (total) : 0; Vértebras: 151 - 157. Weakly rhomboidal disc, width less than 70% total length; rather long tail, postcoacal length more than 75% of disc length; short head (ventral length mostly less than 30% total length) and snout (length to eye less than 15% total length); narrow, cartilaginous interorbit less than 4% total length; internasal flap greatly expanded posteriorly; no broad lobes on posterolateral border of nostrils; inner margin of spiracle oblique; no lateral tail folds; no dorsal fin; apices of pelvic fins rounded; 7-8 oral papillae arranged along a 'W' line on mouth floor; 96-102 pectoral fin radials; total vertebrae more than 150; dorsal surface uniform yellowish brown (Ref. 51067).
Body shape (shape guide): other.
Inhabits the continental slope (Ref. 51067).
Ciclo de vida ou comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Séret, B. and P. Last, 2003. Description of four new stingarees of the genus Urolophus (Batoidea: Urolophidae) from the Coral Sea, South-West Pacific. Cybium 27(4):307-320. (Ref. 51067)
Status na Lista Vermelha da UICN (Ref. 130435: Version 2025-2 (Global))
Ameaça para os humanos
Harmless
Uso pelos humanos
Ferramentas
Relatórios especiais
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Fontes da internet
Estimativas baseadas em modelos
Temperatura preferida (Ref.
123201): 4.2 - 5.6, mean 4.8 °C (based on 48 cells).
Índice de diversidade filogenética (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00813 (0.00371 - 0.01783), b=3.08 (2.87 - 3.29), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 3.5 ±0.4 se; based on size and trophs of closest relatives
Resiliência (Ref.
120179): Baixo, tempo mínimo de duplicação da população 4,5 - 14 anos (Assuming fecundity<100).
Vulnerabilidade da pesca (Ref.
59153): Low vulnerability (24 of 100).
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