Macrobrachium inpa Kensley & Walker, 1982

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

Macrobrachium inpa Kensley & Walker, 1982

Examined material. Municipality of Ferreira Gomes: Stream Braço, tributary of Falsino River , Floresta Nacional do Amapá (Amapá National Forest ) (01°17’43”N, 51°36’52”W), 8.vii.2004, I.M. Vieira, 8 males ( IEPA 561 ) .— Municipality of Pedra Branca do Amapari: Sustainable Development Reserve of the Iratapuru River , Cupixi River (00°34’45.8”N, 52°19’08.3”W), 25.vii.2005, I.M. Vieira and D.C.C. Vieira, 10 males and 8 females ( IEPA 883 ) .— Municipality of Laranjal do Jari: Cajari River Extractive Reserve, Stream Caroço , very reduced, with currentess and rocky bottom (00°23’21.8”S, 52°03’13.7”W), 8.vii.2013, I.M. Vieira and K.J.G. Corrêa, 4 males, 1 female and 1 female with eggs ( IEPA 1624 ) ; Waterfall of Santo Antônio, Jari River (00°38’42.47”S, 52°30’27.95W), 3.xii.2009, I.M. Vieira, 4 males and 26 females ( IEPA 1244 ) ; Waterfall of Santo Antônio, Jari River (00°38’42.47”S, 52°30’27.95W), 17.vi.2010, I.M. Vieira and E.F. Araújo, 5 males and 29 females ( IEPA 1390 ) ( Figura 4) .

Geographic distribution. Costa Rica, Venezuela, Trinidad, Guyana, French Guyana, Suriname, Bolivia and Brazil (states of Amapá, Amazonas and Pará) ( Chevalier et al. 2020; Kensley & Walker 1982; Melo 2003).

Distribution in Amapá state. Basins of the rivers Falsino (stream of Braço), Jari (Waterfall Santo Antônio) and Cupixi, and stream Caroço.

Previous records. Pimentel & Magalhães (2014)

Ecological notes. Collected in rivers with strong turbulence and in waterfalls.

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