sex: female
age: adult
length: 789 mm TL, 487 mm DL, 453 mm DW
date vessel station: col. M.R. de Carvalho, F. Marques, M. Carvalho & A. Datovo (field no. MT05.28)
location: rio Jamanxim, rio Tapajós basin, near Novo Progresso, Pará state, Brazil
latitude: 7°09'30"S
longitude: 55°25'55"W
FAO-area: 03
specimens: 1

sex: female
age: adult
length: 421 mm DW
date vessel station: 31.1.1979, col. J.C. Oliveira
location: igarapé Uruá or Boa Vista, left bank afluent, rio Tapajós, next to bridge at km 62 of highway BR 230, Pará state, Brazil
latitude: 4°30'S
longitude: 56°15'W
FAO-area: 03
specimens: 1

sex: female
age: adult
length: 468 mm DW
date vessel station: 10.10.2005, col. M.R. de Carvalho, M. Cardoso, M.L.G. de Araújo & S.M.V. Melo (field no. TJ05.37)
location: Comunidade Pimental, mouth of igarapé Ponto Frio, right margin of rio Tapajós, Pará state, Brazil
latitude: 4°33'05"S
longitude: 56°16'43"W
FAO-area: 03
specimens: 1

sex: male
age: adult
length: 376 mm DW
date vessel station: 10.10.2005, col. M.R. de Carvalho, M. Cardoso, M.L.G. de Araújo & S.M.V. Melo (field no. TJ05.38)
location: Comunidade Pimental, mouth of igarapé Ponto Frio, right margin of rio Tapajós, Pará state, Brazil
latitude: 4°33'05"S
longitude: 56°16'43"W
FAO-area: 03
specimens: 1

sex: female
age: adult
length: 422 mm DW
date vessel station: col. M.R. de Carvalho, F. Marques, M. Carvalho & A. Datovo (skin patch removed for SEM study) (field no. MT05.05)
location: near Pousada Santa Rosa, left bank of rio Teles Pires, rio Tapajós basin, Mato Grosso state, Brazil
latitude: 8°46'45"S
longitude: 57°27'55"W
FAO-area: 03
specimens: 1

sex: male
age: adult
length: 389 mm DW
date vessel station: col. M.R. de Carvalho, F. Marques, M. Carvalho & A. Datovo (skin patch removed for SEM study) (field no. MT05.15)
location: near Pousada Santa Rosa, left bank of rio Teles Pires, rio Tapajós basin, Mato Grosso state, Brazil
latitude: 8°46'45"S
longitude: 57°27'55"W
FAO-area: 03
specimens: 1

sex: male
age: juvenile
length: 288 mm DW
date vessel station: col. M.R. de Carvalho, F. Marques, M. Carvalho & A. Datovo (skin patch removed for SEM study) (field no. MT05.18)
location: near Pousada Santa Rosa, left bank of rio Teles Pires, rio Tapajós basin, Mato Grosso state, Brazil
latitude: 8°46'45"S
longitude: 57°27'55"W
FAO-area: 03
specimens: 1

sex: male
age: subadult
length: 312 mm DW
date vessel station: col. M.R. de Carvalho, F. Marques, M. Carvalho & A. Datovo (field no. MT05.43)
location: rio Jamanxim, rio Tapajós basin, near Novo Progresso, Pará state, Brazil
latitude: 7°09'30"S
longitude: 55°25'55"W
FAO-area: 03
specimens: 1

sex: female
age: adult
length: 345 mm DW
date vessel station: col. M.R. de Carvalho, F. Marques, M. Carvalho & A. Datovo (field no. MT05.45)
location: rio Jamanxim, rio Tapajós basin, near Novo Progresso, Pará state, Brazil
latitude: 7°09'30"S
longitude: 55°25'55"W
FAO-area: 03
specimens: 1