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Elasmobranchii (tubarões e raias) (sharks and rays) > Rajiformes (Skates and rays) > Rajidae (Skates)
Etymology: Dipturus: Greek, di = two + Greek, pteryx = fin (Ref. 45335).
More on authors: Beebe & Tee-Van.

Environment: milieu / climate zone / depth range / distribution range Ecologia

marinhas demersal. Tropical; 0°N - 4°S, 83°W - 79°W (Ref. 114953)

Distribuição Países | Áreas FAO | Ecossistemas | Ocorrências | Point map | Introduções | Faunafri

Southeast Pacific: known from the type locality, San Helena Bay, Ecuador.

Tamanho / Peso / Idade

Maturity: L_m ? range ? - ? cm
Max length : 39.0 cm TL macho/indeterminado; (Ref. 114953)

A demersal species with unknown depth distribution but presumably inhabits outer continental shelf and/or upper slope (Ref. 114953). Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205). Length of specimen (39 cm TL) was based on a young male observed to have developed state of thorn patches on pectoral fins, and presumambly approaching maturity (Ref. 114953).

Life cycle and mating behavior Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas

Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).

Referência principal Upload your references | Referências | Coordenador : McEachran, John | Colaboradores

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)

Dados insuficientes (DD) ; Date assessed: 07 February 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Ameaça para o homem

Harmless

Utilização humana

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00282 (0.00133 - 0.00596), b=3.25 (3.08 - 3.42), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).

Nível Trófico (Ref. 69278): 3.7 ±0.6 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).

Fishing Vulnerability (Ref. 59153): Low to moderate vulnerability (29 of 100).

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Dipturus ecuadoriensis (Beebe & Tee-Van, 1941)