Mass: 224 g based on da Fonseca and Kierulff 1988, Cirignoli et al. 2011, Galetti et al. 2015, Mares et al. 1986, Santori et al. 2008, and Vieira et al. 2003

Abundance: 0.14 to 30.33% (median 1.59%)

Latitudinal range: -25.4° to -4.0°

Habitats: tropical/subtropical dry broadleaf forest (2), tropical/subtropical moist broadleaf forest (6), tropical/subtropical savanna (2)

Found in 10 samples

Brazil: Pinkaití Research Station (ground), Caucaia do Alto (pitfall traps), Fazenda Montes Claros (primary), Ilhas do Barbados (fragment A), Itamambuca, Saibadela, Refrigério and Tranqüilidade, Serra da Canastra National Park (rat traps), Devonian Scarp

Peru: Reserva Nacional Allpahuayo-Mishana (Tomahawk traps)

♀ body mass	165 g	N = 1	da Fonseca and Kierulff 1988
♂ body mass	197.0 g	N = 5	da Fonseca and Kierulff 1988
body mass	161.8 g	N = 10	Cirignoli et al. 2011
body mass	196 g	N = 1	Galetti et al. 2015
body mass	200 g	N = 1	Mares et al. 1986
body mass	450 g	N = 1	Mares et al. 1986
body mass	250.74 g	N = 17	Santori et al. 2008
body mass	253 g	N = 15	Vieira et al. 2003
♀ ear length	22 mm	N = 1	da Fonseca and Kierulff 1988
♂ ear length	22.0 mm	N = 5	da Fonseca and Kierulff 1988
ear length	21.9 mm	N = 10	Cirignoli et al. 2011
♀ head and body length	190 mm	N = 1	da Fonseca and Kierulff 1988
♂ head and body length	188.4 mm	N = 5	da Fonseca and Kierulff 1988
♀ hind foot length	50 mm	N = 1	da Fonseca and Kierulff 1988
♂ hind foot length	50.0 mm	N = 5	da Fonseca and Kierulff 1988
hind foot length	48.1 mm	N = 10	Cirignoli et al. 2011
♀ tail length	210 mm	N = 1	da Fonseca and Kierulff 1988
♂ tail length	207.8 mm	N = 5	da Fonseca and Kierulff 1988
tail length	194 mm	N = 10	Cirignoli et al. 2011
total body length	377.7 mm	N = 10	Cirignoli et al. 2011

See also Nectomys, Nectomys apicalis, Nectomys rattus, Nectomys sp.