Macrobrachium amazonicum Heller, 1862

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 : 50-52

Macrobrachium amazonicum Heller, 1862

Examined material. Municipality of Pracuúba: Pracuúba Lake (1°44’03”N, 50°47’35”W), vii.1981, coll. M.A.S. Lima, 28 specimens ( IEPA 07 ) .— Municipality of Macapá: Fazendinha District, Amazon River , Cascalheira (00°03’18.89”S, 51°07’09.40”W), 25.v.1990, coll. J.C.S. Oliveira, 7 specimens ( IEPA 12 ) , idem, 25.v.1990, J.C.S. Oliveira, 4 male and three females ( IEPA 21 ) , idem, 06.v.1990, coll. J.C.S. Oliveira, 11 specimens ( IEPA 20 ) ; Archipelago of Bailique, Stream Franco Grande (00°55’56.1”N, 50°02’04.3”W), 24.viii.1995, colls. J. Cardoso, N. Farripas and I.M. Vieira, 105 males, 280 females and 46 females with eggs ( IEPA 42 ) ; idem, Stream (00°56’29.7”N, 50°00’49.4”W), 25.viii.1995, colls, J. Cardoso, N. Farripas and I.M. Vieira, 28 males, 66 females and 09 females with eggs ( IEPA 43 ) ; idem, Stream Franco Grande (00° 57’39.3”N, 49°59’46.1”W), 31.viii.1995, colls. J. Cardoso, N. Farripas and I.M. Vieira, 47 males, 51 females and 02 females with eggs ( IEPA 44 ) ; idem, Amazon River, Cubana (00°52’37,3”N, 50°08’56,6”W), 23.ix.2000, colls. I.M. Vieira, O.A. Alencar, O.M. Costa and D.A. Halboth, 07 males and 13 females ( IEPA 226 ) ; at the same location as the previous collection, Stream Faustino (00°53’36.9”N, 50°11’01.9”W), 30.viii.1995, colls. L. Ramos, H.P. Belo, J. Cardoso, I.M. Vieira and N. Farripas, 328 specimens ( IEPA 46 ) ; Amazon River, Cascalheira Mirim (00°03’03.76”S, 51°05’52.85”W), 23.IV.1996, colls. J. Cardoso, I.M. Vieira, O.M. Costa and H.P. Belo, 05 males, 30 females and 15 females with eggs ( IEPA 132 ) ; Fazendinha Beach (00°03’03,76”S, 51°05’52,85”W), 14.vi.1996, colls. J. Cardoso, I.M. Vieira, O.M. Costa and H.P. Belo, 04 males and 24 females ( IEPA 133 ) ; Wetland Tacacá (00°02’20.7”S, 51°05’35.2”W), 19.vii.2002, colls. O.A. Alencar, D. Filocreão, A.C.R. de Araújo, O.T.C. Arnaud, 01 male and 01 female ( IEPA 392 ) .— Municipality of Amapá: Mouth of Sucuriju River (01°40’17.0”N, 49°55’00.06”W), 26.ix.1996, O.M. Costa, H.P. Belo and I.M. Vieira, 01 male, 22 females and 03e females with eggs ( IEPA 116 ) ; idem (01°40’35.7”N, 49°55’53.92”W), 18.iv.2001, I.M. Vieira, and O.M. Costa, 01 female ( IEPA 261 ) ; idem (01°40’23.9”N, 49°54’56.7”W), 22.viii.2002, I.M. Vieira, and O.M. Costa, 08 females with eggs ( IEPA 449 ) ; idem (01°40’04.21”N, 49°55’01.45”W), 04.v.2004, I.M. Vieira, 31 males and 73 females ( IEPA 533 ) ; Piratuba Lake (01°41’35”N, 50°00’30.6”W), 02.v.2004, I.M. Vieira and C.S. Gama, 08 males and 129 females ( IEPA 760 ) . Municipality of Santana: Santana Island, Amazon River (00°05’13.84”S, 51°09’06.98”W), 14.iv.2000, I.M. Vieira, O.A. Alencar, O.M. Costa and J. Cardoso, 29 males, 25 females and 06 females with eggs ( IEPA 211 ) ; idem, 14.iv.2000, I.M. Vieira, O.A. Alencar, O.M. Costa and J. Cardoso, 05 males, 39 females and 23 juveniles ( IEPA 213 ) ; idem, I.M. Vieira, O.A. Alencar, O.M. Costa and J. Cardoso, 01 e males, 7 females and 22 juveniles ( IEPA 249 ) ; idem, Recanto da Aldeia (00°05’43,58”S, 51°10’23,56”W), 19.ii.2012, A.G. Santiago and E.O. Galeno, 53 males, 32 females and 05 and females with eggs ( IEPA 1549 ) ; idem previous collection, Dourado Lake (00°04’32.3”S, 51°09’44.4”W), 21.ii.2012, A.G. Santiago and E.O. Galeno, 15 males and 05 females ( IEPA 1554 ) ; at the same location as the previous collection, Beach Encanto (00°03’51,63”S, 51°10’29,27”W), 20.xii.2012, A.G. Santiago and E.O. Galeno, 12 males and 11 females ( IEPA 1556 ) ; idem coleta anterior, Beach Ponte (00°04’40,30”S, 51°08’27,51”W), 40 males, 16 females and 20 females with eggs ( IEPA 1557 ) ; Matapi River (00°00’35.92”S, 51°12’09.76”W), 13.iv.2002, I.M. Vieira and C.S. Gama, 6 males, 20 females and 10 juveniles ( IEPA 289 ) , idem, 13.iv.2002, I.M. Vieira and C.S. Gama, 19 males, 42 females and 06 females with eggs ( IEPA 293 ) ; Matapi River (00°00’55.93”S, 51°12’14,23”W), 13.iv.2002, I.M. Vieira and C.S. Gama, 02 males and 03 females ( IEPA 430 ) . Municipality of Cutias: Reserva Biológica do Lago Piratuba ( Biological Reserve of Lake Piratuba ), Araguari River , Tabaco (01°19’23”N, 50°16’44”W), 03.v.2004, I.M. Vieira and C.S. Gama, 20 males and 51 females ( IEPA 535 ) ; Stream Jacaré (01°20’29.8”N, 50°14’41.6”W), 29.iv.2004, I.M. Vieira, 1 male and 13 female ( IEPA 736 ) ; at the same location as the previous collection, Retiro Santa Margarida, Araguari River (01°19’50.9”N, 50°15’56.7”W), 29.iv.2004, I.M. Vieira, 2 males and 25 females ( IEPA 758 ) ; Stream of Costa (01°19’26.6”N, 50°16’36.0”W), 26.iv.2004, I.M. Vieira, 08 males and 05 females ( IEPA 769 ) ; Parazinho Biological Reserve (00°52’41”N, 49°59’29”W), 14.i.2006, I.M. Vieira, 411 males, 353 females, 3 juveniles and 35 females with eggs ( IEPA1000 ) .— Municipality of Calçoene: Beach of Goiabal, Mouth of Calçoene River (02°35’51.13”N, 50°50’43.13”W), 20.vi.2006, I.M. Vieira, 2 males and 01 female ( IEPA 1226 ) .— Municipality of Laranjal do Jari: Jari River (00°45’18.55”S, 52°30’13.16”W), 04.xii.2009, 01 female ( IEPA 1374 ) . Municipality Mazagão: Cajari River Extractive Reserve, Lower Cajari River (00°43’17.9”S, 51°40’40.5”W), 29.v.2014, I.M. Vieira and A.G. Santiago, 01 male and 02 females ( IEPA 1605 ) . Municipality of Ferreira Gomes : dam (00°28’60”N, 51°04’59”W), 06.vi.2002, I.M. Vieira, O.A. Alencar and O.M. Costa, four females ( IEPA 332 ) . Reserva Particular do Patrimônio Natural ( Private Natural Heritage Reserve ), stream (00°56’49.20”N, 51°14’49.71”W), 04.ii.2006, I.M. Vieira and D.C.C. Vieira, 15 males, 95 females and 03 females with eggs ( IEPA 1663 ) ; stream (00°55’35”N, 51°15’45”W), 31.i.2006, I.M. Vieira and D.C.C. Vieira, 2 males and 4 females ( IEPA 1670 ) ; represa (00°56’49.20”N, 51°14’49.71”W), 01.ii.2006, I.M. Vieira and D.C.C. Vieira, 04 males and 03 females ( IEPA 1683 ) ; idem, stream (00°56’49.20”N, 51°14’49.71”W); 05/02/2006, I.M. Vieira and D.C.C. Vieira, 01 male and 18 females ( IEPA 1686 ) ; Araguari River, Ferreira Gomes Hydroelectric Power Plant dam (0°51’33.51”N, 51°11’47.01”W), 21.i.2011, I.M. Vieira, 04 females, 05 juveniles and 01 female with eggs ( IEPA 1787 ) , Araguari River (0°53’55.56”N, 51°15’16.92”W), 24.ii.2012. I.M. Vieira, A.G. Santiago, E.O. Galeno and K.J.G. Corrêa, 2 males ( IEPA 1792 ) ; Araguari River, Vista Alegre, Biological Reserve of Lake Piratuba , 3 immature females, 1 immature male, 7 females adults, 6 male adults, 15.viii.1992, colls. C. Magalhães, ( INPA-CRU 001059 ) ; Amapá Grande River, Cachoeira Grande , 1 fêmea, 26.viii.1992, coll. C. Magalhães ( INPA-CRU 001061 ) ( Figure 3 ).

Geographic distribution. It has a wide distribution, ranging from large hydrographic basins such as the Amazon and Paraná-Paraguay River, to smaller coastal basins in different phytophysiognomic domains. Occur in Venezuela, Guyana, Suriname, French Guyana, Peru, Brazil (states of Amapá, Amazonas, Pará, Maranhão, Piauí, Ceará, Rio Grande do Norte, Paraíba, Pernambuco and Mato Grosso do Sul), Argentina, Bolivia, Paraguay, Ecuador and Peru ( García-Dávila & Magalhães 2003; Holthuis 1952; Kensley & Walker 1982; Melo 2003; Pileggi et al. 2013; Pimentel & Magalhães 2014; Santos et al. 2018; Gomes-Corrêa 1977; Rodriguez 1982; Ramos-Porto & Coelho, 1990; Pettovello 1996; Delgado et al., 1997;)

Distribution in Amapá state. Basins of rivers Amazon, Faustino, Sucuriju, Matapi, Araguari, Stream Jacaré, Calçoene River and Jari River.

Previous records. Melo (2003); Pileggi et al. (2013); Pimentel & Magalhães (2014)

Ecological notes. Females have numerous eggs and are small, reach 150 mm in size, occur in white, black and clear waters, being abundant at the mouth of the Amazon River, where they form an important fishing resource for the state of Amapá.

Remarks. The morphology of the specimens cited in this study is in accordance with the descriptions of Holthuis (1952); Kensley & Walker (1982); 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.