Chinese Taipei (Taiwan) country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Type locality, off Tungkang, SIO 70-274 (holotype of Benthobatis yangi), 21.5 cm TL, adult male) (Ref. 75959).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/tw.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: de Carvalho, M.R., L.J.V. Compagno and D.A. Ebert, 2003
National Database: The Fish Database of Taiwan

Common names from other countries

Taiwani süvaakurai, Yang's blind numbfish, ... more

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

Пластиножаберные (акулы и скаты) (sharks and rays) > Torpediniformes (Electric rays) > Narcinidae (Numbfishes)
Etymology: Benthobatis: Greek, benthos = depth of the sea + Greek, batis, -idos = a ray (Raja sp.) (Ref. 45335); yangi: Named for Hung-Chia Yang, Taiwanese Fisheries Research Institute in Kao-Hsiung..

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

морской батидемерсальный; пределы глубины ? - 300 m (Ref. 114953). Temperate

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

Northwest Pacific: Taiwan.

Length at first maturity / Size / Вес / Возраст

Maturity: L_m 20.3, range 19 - 21.5 cm
Max length : 21.5 cm TL самец/пол неопределен; (Ref. 75959)

Краткое описание определительные ключи | морфология | морфометрия

This species is distinguished from all its congeners by the following unique set of characters: both dorsal and ventral surfaces dark brown to purplish-black, with irregular whitish blotches ventrally; narrow nasoral region, with relatively small mouth, slender jaws and shallow circumoral groove; relatively small spiracles; very narrow gill-slits; the second dorsal fin is slightly larger than first, with more slanted anterior margin, broadly rounded apex, and convex posterior margin; low caudal fin, relatively elongated; interdorsal distance greater than distance between second dorsal and caudal fin; suprascapula very narrow and not arched posteriorly; males sexually mature between 19.1-21.5 cm TL; relatively high number of caudal vertebral centra (38-46), total vertebral centra (116-120) (Ref. 75959).

A benthic species found on continental slope. Mainly feeds on polychaete worms (Ref. 114953). Stomach contents include mud and the partial remains of an unidentified polychaete worm, plus unattached polychaete bristles and unidentified small white objects (Ref. 75959). Maturity size of males at 16-19 cm TL (Ref. 114953).

Life cycle and mating behavior Maturities | размножение | Spawnings | Egg(s) | Fecundities | личинки

Основная ссылка Upload your references | ссылки | координатор : Carvalho, Marcelo | соавторы

de Carvalho, M.R., L.J.V. Compagno and D.A. Ebert, 2003. Benthobatis yangi, a new species of blind electric ray from Taiwan (Chondrichthyes: Torpediniformes: Narcinidae). Bull. Mar. Sci. 72(3):923-939. (Ref. 75959)

Статус Красного Списка МСОП (Ref. 130435)

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Benthobatis yangi Carvalho, Compagno & Ebert, 2003