Macrobrachium olfersii (Wiegmann, 1836)

Vieira, Inacia Maria, Silva, Luiz Maurício Abdon, Almeida, Alini Gomes Santiago De, Almeida, Danilo Pelaes De, Silva-Júnior, Orleno Marques & Tavares-Dias, Marcos, 2022, Diversity, distribution and new records of freshwater and estuarine shrimp in the state of Amapá, eastern Brazilian Amazon region, Zootaxa 5178 (1), pp. 41-71 : 56-57

Macrobrachium olfersii (Wiegmann, 1836)

Examined material. Municipality of Amapá: District of Sucuriju, estuary of the Sucuriju River (01°40’35.7”N, 49°55’53.92W), xi.1997, I.M. Vieira and O.M. Costa, 12 females and 2 juveniles ( IEPA 173 ) ; Sucuriju River (1°41’05.14”N 49°57’46.80”W), xi.1996 ,, I.M. Vieira and O.M. Costa, 2 females with eggs ( IEPA 244 ); (1°41’05.14”N 49°57’46.80”W) , xi.1997, I.M. Vieira, J.C. de Oliveira and O.M. Costa, 1 female with eggs ( IEPA 246 ); (01°40’35.7”N, 49°55’53.92”W) , 18.iv.2001, I.M. Vieira, J.C. de Oliveira and O.M. Costa, 2 females ( IEPA 262 ) ; Sucuriju River (01°40’27.53”N, 49°55’42.70”W), 24.x.2004, I.M. Vieira, 6 males, 11 females and 6 females with eggs ( IEPA 786 ) .— Municipality of Ferreira Gomes: Davi River (00°28’60”N, 51°04’59”W), 7.vi.2002, I.M. Vieira, O.A.Alencar and O.M. Costa, 2 female and 1female with eggs ( IEPA 351 ) ; stream(00°28’60”N, 51°04’59”W), 7.vi.2002, I.M. Vieira, O.A.Alencar and O.M. Costa, 2 males and 5 females ( IEPA 354 ) .— Municipality of Oiapoque: National Park of Tumucumaque Mountains, Anotaié River (3°08’53”N 52°01’29”W), 5.IX.2005, I.M. Vieira and D.C.C. Vieira, 3 males ( IEPA 819 ) ; waterfall on the river Anotaié (3°12’58”N, 52°01’11”W), 10.ix.2005, I.M. Vieira and D.C.C. Vieira, 7 males and 1 female ( IEPA 820 ); (3°12’58”N, 52°01’11”W) , 11.ix.2005, I.M. Vieira and D.C.C. Vieira, 3 males and 2 females ( IEPA 951 ) ; Anotaié River (3°12’49”N 52°00’56”W), 13.ix.2005, I.M. Vieira and D.C.C. Vieira, 2 males ( IEPA 957 ) ; Anotaié River (3°14’31”N 52°01’01”W), 6.ix.2005, I.M. Vieira and D.C.C. Vieira, 3 males ( IEPA 1156 ) ; idem, 1 male ( IEPA 1223 ) ; Waterfall Grande , 26.viii.2002, C. Magalhães ( INPA-CRU 001073 ) ; Waterfall Grande , 25.viii.2002, C. Magalhães ( INPA-CRU 001077 ) ; Waterfall Grande , 25.viii.2002, C. Magalhães ( INPA-CRU 001078 ) ; Amapá Grande River, Waterfall Grande , 00/09/2002, no information ( INPA-CRU 001103 ) ( Figure 3 ).

Geographic distribution. North Carolina, Florida, Texas, Central America, Colombia, Venezuela, Suriname and French Guyana and Brazil (states of Pará, Piauí, Ceará, Rio Grande do Norte, Pernambuco, Alagoas, Sergipe, Bahia, Minas Gerais, Espírito Santo, Rio de Janeiro, São Paulo, Paraná, Santa Catarina and Rio Grande do Sul) ( Gomes-Corrêa 1977; Ferreira et al. 2010; Holthuis 1952; Melo 2003; Pimentel & Magalhães 2014);

Distribution in Amapá state. Basins of the rivers Sucuriju, Davi and Anotaié.

Previous records. Pimentel & Magalhães (2014).

Ecological notes. Inhabits rivers with strong turbulence, under rocks.

Remarks. The morphological characters of the specimens evaluated in this study correspond to the descriptions of Melo (2003).

Figures

FIGURE 3. Geographic distribution map of Macrobrachium acanthurus Wiegmann, 1836; M. amazonicum (Heller, 1862); M. carcinus (Linnaeus, 1758) and M. olfersii (Wiegmann, 1836) from the state of Amapá, in eastern Brazilian Amazon region.