Japan country information

Common names: Bigeye scabbard fish, Hirenaga-oome-yumetachi
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Type locality, purchased from Naha Central Fish Market, off Okinawa Island, Ryukyu Is., URM-P 41556 (holotype of Evoxymetopon macrophthalmus, 161.5 cm SL, male) (Ref. 58273).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ja.html
National Fisheries Authority: http://www.maff.go.jp/eindex.html
Occurrences: Occurrences Point map
Main Ref: Chakraborty, A., T. Yoshino and Y. Iwatsuki, 2006
National Database:

Common names from other countries

Hirenaga-oome-yumetachi, ... more

Classificação / Names Nomes comuns | Sinônimos | Catalog of Fishes(Gênero, Espécies) | ITIS | CoL | WoRMS | Cloffa

> Scombriformes (Mackerels) > Trichiuridae (Cutlassfishes) > Lepidopodinae
Etymology: Evoxymetopon: Greek, eu = good + Greek, oxys = sharpen + Greek, metopon = brow (Ref. 45335); macrophthalmus: Specific name refers to the large eye of the species..

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

marinhas bentopelágico. Deep-water

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

Northwest Pacific: off Okinawa I., Ryukyu Is., Japan.

Tamanho / Peso / Idade

Maturity: L_m ? range ? - ? cm
Max length : 162 cm SL macho/indeterminado; (Ref. 58273)

Descrição suscinta Chaves de identificação | Morfologia | Morfometria

Raios dorsais (total) : 90; Vértebras: 94. Distinguished from other species with the following characters: upper head profile convex; posterior confluence of frontal ridges not elevated at the nape, resulting in the absence of the sagittal crest; eye 4.5 times in HL; lower hind margin of opercle broadly rounded; pelvic fins reduced to scalelike structure with 2 soft rays on posterior process of basipterygium, its origin below 9th dorsal-fin element; first anal spine single, oval, scalelike, and originating a short distance behind vent (opposite the 34th dorsal-fin soft ray), anterior anal-fin soft rays minute and embedded, barely penetrating skin and not visible externally, while posterior fin supporting rays enlarged and visible externally; anal-fin rays 15, externally visible; dorsal-fin elements 90, 1st spine elongate, sword-shaped, and finely ribbed; pectoral fin rays 12, with shorter anterior and longer posterior rays extending above the lateral line; first gill arch with upper gill rakers 9; vent at about 50% TL; total vertebrae 94; horizontal distance between posterior margin of eye and origin of first dorsal-fin spine short (8.5% HL); preanal length (PL) 49% TL; HL 27.5% PL; upper jaw length 9.5% PL; predorsal length 21% PL (Ref. 58273).

Ciclo de vida ou comportamento de acasalamento Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas

Referência principal Upload your references | Referências | Coordenador : Parin, Nikolay V. | Colaboradores

Chakraborty, A., T. Yoshino and Y. Iwatsuki, 2006. A new species of scabbardfish, Evoxymetopon macrophthalmus (Scombroidei: Trichiuridae), from Okinawa, Japan. Ichthyol. Res. 53(2):137-142. (Ref. 58273)

Status na Lista Vermelha da UICN (Ref. 130435)

Não avaliada

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Ameaça para os humanos

Harmless

Uso pelos humanos

FAO(Publication : search) | FishSource |

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Estimates based on models

Índice de diversidade filogenética (Ref. 82804): PD₅₀ = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00275 (0.00105 - 0.00724), b=3.06 (2.83 - 3.29), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Nível Trófico (Ref. 69278): 4.4 ±0.7 se; based on size and trophs of closest relatives

Resiliência (Ref. 120179): médio(a), tempo mínimo de duplicação da população 1,4 - 4,4 anos (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Very high vulnerability (90 of 100).

Evoxymetopon macrophthalmus Chakraborty, Yoshino & Iwatsuki, 2006