Xingu River ray mostly brownish-dusky (large white center to underparts of "P. henlei"). Compared to "P. albimaculata", "P. leopoldi" has fewer and larger yellowish-white spots above. Xingu River ray The Xingu River ray, white-blotched river stingray, or polka-dot stingray ("Potamotrygon leopoldi") is a species of freshwater fish in the family Potamotrygonidae. It is endemic to the Xingu River basin in Brazil and prefers rocky bottoms. It is sometimes kept in aquaria. "P. leopoldi" reaches up to in disc width, in total length and in weight. Females grow larger than males. It is closely related to the similar "P. henlei" from the Tocantins River
South Branch Piscataquog River South Branch Piscataquog River The South Branch of the Piscataquog River is a river located in southern New Hampshire in the United States. It is a tributary of the Piscataquog River, part of the Merrimack River watershed. The South Branch of the Piscataquog begins at the outlet of Pleasant Pond in Francestown, New Hampshire. The river travels south-southeast until entering New Boston, where it turns northeast to flow to the Piscataquog River just over the town line in Goffstown. For most of its route, the South Branch passes through rolling, hilly country, occasionally dropping over small waterfalls. New Hampshire Route