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Hexatrygon bickelli Heemstra & Smith, 1980

Sixgill stingray
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Native range | All suitable habitat | Point map | Year 2050
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Hexatrygon bickelli   AquaMaps   Data sources: GBIF OBIS
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Image of Hexatrygon bickelli (Sixgill stingray)
Hexatrygon bickelli
Picture by Shao, K.T.


India country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: First record, found in south-west coast of India (Ref. 87313); Andaman and Nicobar Islands (Ref. 118627).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/in.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Babu, S., S. Ramachandran and C. Varghese, 2011
National Database:

Common names from other countries

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

Пластиножаберные (акулы и скаты) (sharks and rays) > Myliobatiformes (Stingrays) > Hexatrygonidae (Sixgill stingrays)
Etymology: Hexatrygon: Greek, exa = six + Greek, trygon = the name of a ray; 1749 (Ref. 45335).

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

морской батидемерсальный; пределы глубины 350 - 1120 m (Ref. 9906), usually 362 - 1120 m (Ref. 9906).   Deep-water; 46°N - 37°S, 16°E - 154°W

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

Indo-Pacific: South Africa eastward to Japan, Australia and the Hawaiian Islands.

Size / Вес / Возраст

Maturity: Lm ?  range ? - ? cm
Max length : 143 cm TL самец/пол неопределен; (Ref. 31444); 111.7 cm TL (female)

Краткое описание определительные ключи | морфология | морфометрия

колючие лучи спинного плавника (общее число) : 0. A bizarre-looking flabby stingray with a long, thick, fleshy snout (Ref. 5578). Dark violet-blue or brownish above, white below (Ref. 5578).

биология     глоссарий (например epibenthic)

Inhabits soft bottoms of upper continental slopes (Ref. 9906). Feeding habits unknown (Ref. 9906). Minimum depth from Ref. 58018. Probably caught with bottom trawls (Ref. 9906). Maximum length of female from Ref. 84148.

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

Основная ссылка Upload your references | ссылки | координатор | соавторы

Smith, M.M. and P.C. Heemstra, 1986. Hexatrygonidae. p. 142-143. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 3966)

Статус Красного Списка МСОП (Ref. 130435)


CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Угроза для людей

  Harmless




Использование человеком

рыболовство: интереса не представляет
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дополнительная информация

Trophic ecology
пищевые объекты
Diet compositions
Food consumptions
Food rations
хищники
Ecology
экология
Home ranges
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Размерный состав
Mass conversions
Recruitments
Abundances
Life cycle
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Maturities
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Egg(s)
Egg developments
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Distribution
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регионы FAO
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BRUVS - Videos
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Toxicities (LC50s)
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Estimates based on models

Preferred temperature (Ref. 115969): 4.1 - 10.7, mean 6.6 (based on 1209 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 1.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.6   ±0.5 se; based on size and trophs of closest relatives
устойчивость к внешним воздействиям (Ref. 120179):  низкий, минимальное время удвоения популяции 4.5-14 лет (Assuming fecundity<100).
Fishing Vulnerability (Ref. 59153):  Very high vulnerability (86 of 100).