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(Mmm, right click, add, set as background...) Archive 11

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Trichogaster leeri (Bleeker 1852), the Pearl Gourami. Found naturally on the Malay Peninsula,; Thailand and Indonesia. To nearly five inches in length. Cond.s: pH 6-8, dH 5-19, temp. 24-28 C. Aquarium photograph of a male (longer unpaired fins, much more colorful).

Potamotrygon motoro (Muller and Henle 1841), the Ocellate River Stingray. Uruguai, Panan-Paraquai, Orinoco and Amazon Basins. To a meter in diameter, 15kg. Cond.s: pH 5-6, dH, up to 10, temp. 24-26 C. A dangerous venomous fish. Aquarium image.  http://fishbase.org/Summary/speciesSummary.php?ID=6382&genusname=Potamotrygon& speciesname=motoro
Potamotrygon ocellata (Engelhardt 1812), the Red-Blotched River Stingray. Reio Pedreira and south of Mexiana Island. Aquarium image. http://fishbase.org/Summary/speciesSummary.php?ID=57154&genusname=Potamotrygon &speciesname=ocellata
Potamotrygon orbignyi (Castelnau 1855), the Smooth Back River Stingray. Amazon and Orinoco Basins. To about a foot in diameter, 2kg. Cond.s: pH 6.8-7.5, temp. 24-26 C.  http://fishbase.org/Summary/speciesSummary.php?ID=50650&genusname=Potamotrygon& speciesname=orbignyi

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