Nematopalaemon schmitti (Holthius, 1950)

Examined material. Municipality of Amapá: Ecological Station of Maracá-Jipioca, Stream Inferno (02°05’47.8”N, 50°29’51.62”W), 25.xi.1995, J.Cardoso and H.P. Belo, 2males, 18 females (IEPA 59) ; Stream Inferno (02°05’47.8”N, 50°29’51.62”W), 26.xi.1995, J.Cardoso and H.P. Belo, 34 males, 110 females and 19 females with eggs (IEPA 60) ; Stream Inferno (02°05’47.8”N, 50°29’51.62”W), 29.xi1995, I.M. Vieira, 50 males 179 females and 19 females with eggs (IEPA 61); (02°05’47.8”N, 50°29’51.62”W), 26.xi.1995, J. Cardoso, H.P. Belo and I.M. Vieira, 2 males and 4 females (IEPA 84); District of Sucuriju, Stream Piratuba (01°40’17.0”N, 49°55’00.06”W), 26.ix.1996, O.M. Costa, I.M. Vieira and H.P. Belo, 5 males (IEPA 114) ; Stream Piratuba (01°40’17.0”N, 49°55’00.06”W), xi.1996, O.M. Costa and H.P. Belo, 5 males and 3 females (IEPA 118) ; Sucuriju River (01°40’35,7”N, 49°55’53,92W), ix.1997, O.M. Costa and H.P. BELO, 2 males and 21 females (IEPA 143) , x.1997, O.M. Costa and H.P. BELO, 2 females (IEPA148); (01°40’35.7”N, 49°55’53.92W), iii.1998, I.M. Vieira, O.M. Costa and A.C. Souza, 1 male (IEPA 163); Sucuriju River (01°40’23.9”N, 49°54” 56.7W), 22.vii.2002, I.M. Vieira and O.M. Costa, 1 male and 13 females (IEPA 367); Sucuriju River (01°40’23.9”N, 49°54”56.7W), 27.ii.2004, I.M. Vieira, 3 males and 5 females (IEPA 493) (Figure 2).

Geographic distribution. Venezuela, Suriname, French Guyana and Brazil (states of Amapá, Pará, Maranhão, Piauí, Ceará, Rio Grande do Norte, Paraíba, Pernambuco, Alagoas, Sergipe, Bahia, Espírito Santo, Rio de Janeiro, São Paulo, Santa Catarina and Rio Grande do Sul) (Cervigon et al. 1992); Ferreira et al. 2010; (Rodriguez 1982); Delgado et al. 1997.

Distribution in Amapá state. Estuary of the Sucuriju river and Maracá-Jipioca island.

Previous records. Ferreira et al. (2010)

Ecological notes. Inhabits marine and estuarine environments, with muddy and/or sandy bottoms, from 5 to 75 m in depth (Cervigon et al. 1992).

Remarks. The species is caught in industrial trawl fisheries or with manual nets, and it has economic importance to Guyana, French Guiana and Suriname (Cervigon et al. 1992)