Hexatrygon bickelli (Sixgill stingray)
Heemstra & Smith, 1980
Life
> Eukaryotes >
Opisthokonta
> Metazoa (animals) >
Bilateria >
Deuterostomia > Chordata >
Craniata > Vertebrata (vertebrates) > Gnathostomata (jawed
vertebrates) > Chondrichthyes > Elasmobranchii > Batoidei >
Myliobatoidei >
Hexatrygonidae
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Hexatrygon bickelli (Sixgill stingray) [Illustration
by Ann Hecht ©] |
Identification
A bizarre, flabby, deepwater stingray with a
long, thick, fleshy snout and six pairs of gill slits. Colour dark
violet blue or brownish above, white below.
Size
To over 1.1 m TL
and 50 cm DW.
Range
East coast, known from two beached specimens in Algoa Bay and Port Alfred; West-Central Pacific.
Habitat
Probably
the upper slope below 200 m in the area, elsewhere this species or
close relatives caught between 300 to 1000 m. Biology Virtually
unknown. A live beached specimen at Port Alfred gave birth to three
young. Rare, more specimens wanted.
Human Impact
None.
Text by Leonard J.V. Compagno, David A. Ebert
and Malcolm J. Smale
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