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Hymenocephalus yamasakiorum Nakayama, Endo & Schwarzhans, 2015

Black-tailed membranehead
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Image of Hymenocephalus yamasakiorum (Black-tailed membranehead)
No image available for this species;
drawing shows typical species in Macrouridae.


Japan country information

Common names: Black-tailed membranehead, Oguro-sujidara
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Type locality of Hymenocephalus yamasakiorum (Ref. 100825).
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: Nakayama, N., H. Endo and W. Schwarzhans, 2015
National Database:

Common names from other countries

Классификация / Names народные названия | синонимы | Catalog of Fishes(род, виды) | ITIS | CoL | WoRMS | Cloffa

> Gadiformes (Cods) > Macrouridae (Grenadiers or rattails)
Etymology: Hymenocephalus: Named for its transparent membrane-like head covering (‘‘hymen head’’) and fragile nature of head bones (Ref. 100825);  yamasakiorum: Named for Ms. Yasuko Yamasaki and her family; a fishing trawler operator in Tosa Bay and adjacent waters and provider of a large number of fish specimens to the BSKU collection..

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

морской батидемерсальный; пределы глубины 380 - 420 m (Ref. 100825).   Temperate

распространение страны | регионы FAO | Ecosystems | места находок | Point map | интродукции | Faunafri

Northwest Pacific: Japan.

Size / Вес / Возраст

Maturity: Lm ?  range ? - ? cm
Max length : 15.1 cm TL самец/пол неопределен; (Ref. 100825)

Краткое описание морфология | морфометрия

This species is distinguished by the following characters: 9 pelvic-fin rays; chin barbel 55 % HL, its tip extending beyond vertical through hind margin of orbit when laid back; moderately high snout, not depressed, length 28 % HL; orbit diameter 33 % HL; interorbital width 24 % HL; preopercular supporter broad, short (5 % HL); D1 II,10; pectoral-fin rays i16-i17; gill rakers on first arch (outer/inner) 14/20, on second arch 20/19; pyloric caeca 15; when fresh the ventral two-thirds of head and body are silvery; dorsal half of posterior part of tail prominently dark; ventral half of tail completely immaculate; OL:OH = 1.15; ostial and caudal colliculi not fused; TCL:PCL = 2.3 (Ref. 100825).

биология     глоссарий (например epibenthic)

Life cycle and mating behavior половая зрелость | размножение | нерест | икра | Fecundity | личинки

Основная ссылка Upload your references | ссылки | координатор : Iwamoto, Tomio | соавторы

Nakayama, N., H. Endo and W. Schwarzhans, 2015. A new grenadier of the genus Hymenocephalus from Tosa Bay, southern Japan (Actinopterygii: Gadiformes: Macrouridae). Ichthyol. Res. (Ref. 100825)

Статус Красного Списка МСОП (Ref. 130435)


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