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Hexatrygon bickelli Heemstra, &. Smith, 1980
SIXGILL STINGRAY
Hexatrygon sp

Life   Vertebrata   Fish   Hexatrygonidae   Hexatrygon


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  • Australian Faunal Directory
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Following modified from Australian Faunal Directory
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http://biodiversity.org.au/afd/taxa/69473f3e-6e57-4cfb-9b72-d5ca4758709d/ ---> https://biodiversity.org.au/afd/taxa/69473f3e-6e57-4cfb-9b72-d5ca4758709d/
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Following modified from FishBase
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http://www.fishbase.org/Summary/speciesSummary.php?genusname=Hexatrygon&speciesname=bickelli ---> http://www.fishbase.se/summary/Hexatrygon-bickelli.html

Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Hexatrygon bickelli   Heemstra & Smith, 1980

Sixgill stingray Add your observation in Fish Watcher
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Hexatrygon bickelli   AquaMaps   Data sources: GBIF OBIS
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Pictures | Google image Image of Hexatrygon bickelli (Sixgill stingray) Hexatrygon bickelli
Picture by Shao, K.T.

Classification / Names Common names | Synonyms | Catalog of Fishes ( gen. , sp. ) | ITIS | CoL | WoRMS | Cloffa

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

Environment / Climate / Range Ecology

Marine; bathydemersal; depth range 350 - 1120 m (Ref. 9906 ), usually 362 - 1120 m (Ref. 9906 ).   Deep-water; 46°N - 37°S, 16°E - 154°W

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

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

Size / Weight / Age

Maturity: L m   ?   range ? - ? cm
Max length : 143 cm TL male/unsexed; (Ref. 31444 ); 111.7 cm TL (female)

Short description Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 0. A bizarre-looking flabby stingray with a long, thick, fleshy snout (Ref. 5578 ). Dark violet-blue or brownish above, white below (Ref. 5578 ).

Biology     Glossary (e.g. 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 Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

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 )

IUCN Red List Status (Ref. 115185 )

  Least Concern (LC)  

CITES (Ref. 115941 )

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: of no interest FAO(Publication : search ) | FishSource |

More information

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Summary page | Point data | Common names | Photos

Internet sources

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes ( gen. , sp. ) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank( genome , nucleotide ) | GloBI | GOBASE | | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | National databases | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | Tree of Life | Wikipedia( Go , Search ) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates of some properties based on models

Preferred temperature (Ref. 115969 ): 4.1 - 10.7, mean 6.6 (based on 1209 cells). Phylogenetic diversity index (Ref. 82805 ):  PD 50 = 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 Resilience (Ref. 69278 ):  Low, minimum population doubling time 4.5 - 14 years (Assuming fecundity<100). Vulnerability (Ref. 59153 ):  Very high vulnerability (76 of 100) .

Entered by Binohlan, Crispina B. Modified by Capuli, Estelita Emily Fish Forum
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Updated: 2018-08-16 01:25:57 gmt
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