Affiliation: | 1. Federal Institute of Education, Science and Technology of Amazonas – IFAM/CMZL, Manaus, Brazil;2. Laboratory of Aquatic Mammals, National Institute of Amazonian Research – INPA, Manaus, Brazil;3. Center of Preservation and Research of Aquatic Mammals – CPPMA, Eletrobras Amazonas Energia, Presidente Figueiredo, Brazil |