Rio Itaúnas, Brazil Rio Itaúnas, Espírito Santo, Brazil Rio Itaúnas, Espírito Santo, Brazil Rio Itaúnas, Espírito Santo, Brazil Rio Itauninha, Espírito Santo, Brazil Rio Itiquira, Mato Grosso, Brazil Rio Ituí, Amazonas, Brazil Rio Ituqui, Pará, Brazil Rio Ituxi, Amazonas, Brazil Rio Ituxi, Amazonas, Brazil Rio Ituxi, Amazonas, Brazil Rio Ivinheima, Mato Grosso do Sul, Brazil Rio Jaboatão, Brazil Rio Jaburu, Tocantins, Brazil Rio Jaburu, Tocantins, Brazil Rio Jaburu, Tocantins, Brazil Rio Jaburuzinho, Pará, Brazil Rio Jacare, Bahia, Brazil Rio Jacare, Bahia, Brazil Rio Jacaré, Bahia, Brazil Rio Jacaré Grande, Pará, Brazil Rio Jacaré Ou Vereda Do Romão Gramacho, Bahia, Brazil Rio Jacaré Ou Vereda Do Romão Gramacho, Bahia, Brazil Rio Jacaré Puru Grande, Pará, Brazil Rio Jacarecica, Sergipe, Brazil Rio Jaci Paraná, Rondônia, Brazil Rio Jacré, Mato Grosso, Brazil Rio Jacu, Amazonas, Brazil Rio Jacu, Amazonas, Brazil Rio Jacu, Amazonas, Brazil Rio Jacu, Amazonas, Brazil Rio Jacuí, Rio Grande do Sul, Brazil Rio Jacuípe, Bahia, Brazil Rio Jacundá, Pará, Brazil Rio Jaguari, São Paulo, Brazil Rio Jaguaribe, Pernambuco, Brazil Río Jaltepec, Oaxaca, Mexico Rio Jamanxim, Pará, Brazil Rio Jamari, Rondônia, Brazil Rio James Wetland, Virginia, United States Rio Jandiatuba, Amazonas, Brazil Rio Japerica, Brazil Rio Japim, Pará, Brazil Rio Japinzinho, Pará, Brazil Rio Japura, Amazonas, Brazil Rio Jará, Amazonas, Brazil Rio Jará, Amazonas, Brazil Rio Jarauçu, Pará, Brazil Rio Jari, Amazonas, Brazil Rio Jari, Pará, Brazil Rio Jari, Amapá, Brazil Rio Jaru, Rondônia, Brazil Rio Jatapu, Amazonas, Brazil Río Jataté, Chiapas, Mexico Rio Jaú, Amazonas, Brazil Rio Jauaperi, Roraima, Brazil Rio Javaés, Tocantins, Brazil Rio Javaés, Tocantins, Brazil Rio Javari, Amazonas, Brazil Rio Jequié, Brazil Rio Jequitinhonha, Minas Gerais, Brazil Rio Jequitinhonha, Bahia, Brazil Rio Jequitinhonha, Minas Gerais, Brazil Rio Jequitinhonha, Minas Gerais, Brazil Río Jesús María, Nayarit, Mexico Río Jesús María, Durango, Mexico Rio Jiparaná Ou Machado, Rondônia, Brazil Rio Jiparaná Ou Machado, Rondônia, Brazil Rio Jiparaná Ou Machado, Rondônia, Brazil Rio Joana Peres, Pará, Brazil Rio Joana Peres, Pará, Brazil Rio João De Tiba, Brazil Río Jofre, San Luis Potosí, Mexico Río Joloapan, Veracruz, Mexico Rio Jordão, Paraná, Brazil Rio Jordão, Paraná, Brazil Rio Jordão, Paraná, Brazil Rio Juçara, Pará, Brazil Rio Jufari, Amazonas, Brazil Rio Juína, Mato Grosso, Brazil Rio Juma, Amazonas, Brazil Rio Juma, Amazonas, Brazil Rio Jundiaí-Mirim, São Paulo, Brazil Rio Jundiaí-Mirim, São Paulo, Brazil Rio Juqueri, São Paulo, Brazil Rio Juqueri, São Paulo, Brazil Rio Juqui, Amazonas, Brazil Rio Juquiazinho, São Paulo, Brazil Rio Juramento, Salta, Argentina Rio Juruá, Amazonas, Brazil Rio Juruá, Amazonas, Brazil Rio Juruaçu, Pará, Brazil Rio Juruena, Mato Grosso, Brazil Rio Juruena, Mato Grosso, Brazil Río Justino, San Luis Potosí, Mexico Rio Jutaí, Amazonas, Brazil Río Kilate, Veracruz, Mexico Río Kilate, Veracruz, Mexico Río La Antigua, Veracruz, Mexico Río La Arena, Oaxaca, Mexico Río La Arena, Oaxaca, Mexico Río La Arena, Oaxaca, Mexico Río La Boquilla, Tamaulipas, Mexico Río La Parada, San Luis Potosí, Mexico Río La Purísima, Baja California Sur, Mexico Río La Toma, San Luis Potosí, Mexico Río La Trinidad, Veracruz, Mexico Río La Venta, Chiapas, Mexico Río La Venta, Chiapas, Mexico Río Lacanjá, Chiapas, Mexico Río Lagos, Jalisco, Mexico Río Lagos, Jalisco, Mexico Río Laja, Guanajuato, Mexico Río Lajas, Durango, Mexico Río Lalana, Oaxaca, Mexico Río Las Boquillas, Chihuahua, Mexico Río Las Golondrinas, Chihuahua, Mexico Río Las Pozas, Veracruz, Mexico Río Las Pozas, Veracruz, Mexico Río Las Tejas, Oaxaca, Mexico Río Las Tinajas, Durango, Mexico Rio Leão, Santa Catarina, Brazil Río Lerma, Guanajuato, Mexico Río Lerma, Jalisco, Mexico Río Lerma, México, Mexico Río Lerma, México, Mexico Río Lerma, México, Mexico Río Lerma, México, Mexico Río Lerma, Jalisco, Mexico Río Lerma, Guanajuato, Mexico Río Lerma, México, Mexico Río Lerma, México, Mexico Río Lerma, Jalisco, Mexico Río Lerma, Guanajuato, Mexico Río Lerma, México, Mexico Río Lerma, Guanajuato, Mexico Río Lerma, Guanajuato, Mexico Rio Limoeiro, Pará, Brazil Rio Lobos o Rio Valle Creek, Castilla y León, Spain Rio Longá, Piauí, Brazil Rio Longá, Piauí, Brazil Rio Lontra, Tocantins, Brazil Río Los Hules, Veracruz, Mexico Río Los Hules, Veracruz, Mexico Río Los Hules, Hidalgo, Mexico Río Los Pescados, Veracruz, Mexico Río Los Pescados, Veracruz, Mexico Rio Lourenço Velho, São Paulo, Brazil Rio Macacaá, Pará, Brazil Rio Macacoari, Amapá, Brazil Rio Machacali, Pará, Brazil Rio Machacali, Pará, Brazil Rio Machado, Rondônia, Brazil Rio Macucuau, Roraima, Brazil Rio Macujubim, Pará, Brazil Rio Macumiri, Amazonas, Brazil Rio Macuri, Brazil Rio Madeira, Amazonas, Brazil Rio Madeira, Pando, Brazil Rio Madeirinha, Amazonas, Brazil Rio Madeirinha, Amazonas, Brazil Rio Madeirinha Ou Autaz-Açu, Amazonas, Brazil Rio Magu, Maranhão, Brazil Rio Maguari, Pará, Brazil Rio Maiauatá, Pará, Brazil Rio Maici, Amazonas, Brazil Río Malatengo, Oaxaca, Mexico Rio Mamorana, Maranhão, Brazil Rio Mamoré, Rondônia, Brazil Rio Mamoritanas, Amazonas, Brazil Rio Mamuru, Amazonas, Brazil Rio Mamuru, Pará, Brazil Rio Manacapuru, Amazonas, Brazil Rio Manacapuru, Amazonas, Brazil Rio Manazaro, Brazil Rio Mandaquari, Pará, Brazil Rio Mandovi, Goa, India Rio Manhuaçu, Minas Gerais, Brazil Rio Manhuaçu, Minas Gerais, Brazil Rio Manhuaçu, Minas Gerais, Brazil Rio Manicoré, Amazonas, Brazil Rio Maniquara, Pernambuco, Brazil Rio Manissauá-Miçu, Mato Grosso, Brazil Rio Manoel Alves, Tocantins, Brazil Río Manso, Veracruz, Mexico Río Manso, Veracruz, Mexico Rio Manuel Alves, Tocantins, Brazil Rio Mapari, Maranhão, Brazil Rio Mapiá, Amazonas, Brazil Rio Mapuá, Pará, Brazil Rio Mapuá Grande, Pará, Brazil Rio Mapuera, Pará, Brazil Río Marabasco, Colima, Mexico Río Marabasco, Colima, Mexico Rio Maracaçumé, Maranhão, Brazil Rio Maracanã, Pará, Brazil Rio Maracá-Pucu, Amapá, Brazil Rio Marajó-Açu, Pará, Brazil Rio Marajó-Eté, Pará, Brazil Rio Marajoí, Pará, Brazil