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Potamotrygon henlei

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A black ray similar to Potamotrygon leopoldi, but only found in the Tapajos river system. They are easy to differentiate because the white spots continue to the disc edge and onto the ventral surface.

Fish information (behaviour and breeding):

Family Group: Livebearers
Distribution Tapajos river system.
Temperature -
Size Reaches a maximum diameter of around 18 inches
Water Parameters -
Water PH -

Useful sources of information:

An excellent website devoted to Stingrays can be found at The site has been developed and maintained by David Upton who has an extensive knowledge of Rays and has kindly provided Tropicalfishfinder with the above information and photographs.