Euryrhynchus amazoniensis Tiefenbacher, 1978

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 : 44-45

Euryrhynchus amazoniensis Tiefenbacher, 1978

Examined material. Municipality of Macapá: Environmental Protection area of Curiaú , Wetland Curralinho (00°07’26.74”N, 51°06’50.18”W), 22.ii.2002, I.M. Vieira and O.A. Alencar, 2 males, 5 females and 10 females with eggs ( IEPA 346 ) ; idem (00°09’23.9”N, 51°02’09.5”W), 25.viii.2002, O.A. Alencar and A.C.R. Araújo, 9 males, 15 females and 2 juveniles ( IEPA 375 ) ; same collection location (00°09’23.9”N, 51°02’09.5”W), 22.ii.2002, I.M. Vieira and O.A. Alencar, 3 males and 5 females ( IEPA379 ) ; Wetland Tacacá (00°02’14.7”S, 51°05’47.7”W), idem, 18.vii.2002, O.A. Alencar, D. Filocreão, O.M. Costa, 5 males and 8 females ( IEPA 396 ) ; at the same point as the previous collection, 18.vii.2002, O.A. Alencar, D. Filocreão, O.M. Costa, 3 juveniles ( IEPA 397 ) ; idem, (00°02’13.11”S, 51°05’39.2”W), 18.vii.2002, O.A. Alencar, D. Filocreão, O.M. Costa, 1 specimen ( IEPA 400 ) ; idem (00°02’14.0”S, 51°05’46.7”W), 7.i.2004, I.M. Vieira, 1 female ( IEPA 502 ) . Municipality of Ferreira Gomes: Floresta Nacional do Amapá (Amapá National Forest ), tributary stream of the Santo Antônio River (01°06’37”N, 51°53’37”W), 6.iii.2005, I.M. Vieira and D.C.C. Vieira, 1 male and 1 female with eggs ( IEPA 817 ) ; idem, (01°06’37”N, 51°53’37”W), 5.iii.2005, I.M. Vieira and D.C.C. Vieira, 1 male and 3 females ( IEPA 841 ) ; same collection location, 1 male and 3 females ( IEPA 849 ) ; stream in savanna, near farm Aricari , BR156, km 147, gallery forest (00°55’35”N, 51°15’45”W), 31.i.2006, I.M. Vieira and D.C.C. Vieira, 25 specimens ( IEPA 1668 ) ; same place and date of previous collection (0°55’35”N, 51°15’45”W), 10 females with eggs and 35 specimens ( IEPA 1690 ) ; 28.i.2006, I.M. Vieira and D.C.C. Vieira , stream with sandy bed, transparent water and gallery forest (0°56’08”N, 51°13’12”W), 1 female with eggs ( IEPA 1671 ) ; stream inside the forest, close to the residence of the Aricari farm (0°57’04”N, 51°14’56”W), 30.i.2006, colls. I.M. Vieira and D.C.C. Vieira, 11 females and 29 specimens ( IEPA 1676 ) .— Municipality of Laranjal do Jari: Sustainable Development Reserve of the Iratapuru River , Stream Baliza (00°18’36”N, 52°26’24”W), 6.v.2005, I.M. Vieira and D.C.C. Vieira, 3 females ( IEPA 872 ) ; same point of previous collection, 11.v.2005, colls. I.M. Vieira and D.C.C. Vieira, 3 females with eggs and 15 specimens ( IEPA 1195 ) ; idem, 8.v.2005, I.M. Vieira, 5 females with eggs and 36 specimens ( IEPA 1266 ) ; stream in the interior of the Baliza tributary forest, 10.v.2005, 2 juveniles and 2 females with eggs ( IEPA 1269 ) ; same point of previous collection, 2 juveniles e 16 specimens ( IEPA 1317 ) ; 3 females with eggs and 7 specimens ( IEPA 1318 ) ; Jari River (0°51’17”S, 52°32’53”W), stream on the right bank of the Jari River (0°51’17”S, 52°32’ 53”W), 3.xii.2009, I.M. Vieira, 7 specimens ( IEPA 1245 ) ; same point of previous collection, 17.vi.2010, I.M. Vieira and E.F. Araújo, 2 specimens ( IEPA 1386 ) ; small stream on the left bank of the Jari River (0°50’46”S, 52°32’35”W), 12.ix.2009, I.M. Vieira, 1 specimen ( IEPA 1246 ) ; tributary stream from Jari River (0°50’44”S, 52°32’53”W), 4.ix.2009, I.M. Vieira, 2 specimens ( IEPA 1254 ) ; Stream Riacho Doce (0°50’05”S 52° 32’34”W), 17.vi.2010, I.M. Vieira and E.F. Araújo, 1 female with eggs ( IEPA 1393 ) .— Municipality of Pedra Branca do Amapari: Sustainable Development Reserve of the Iratapuru River , stream on the right margin of the Cupixi River (0°34’20”N, 52°18’36”W), 28.vii.2005, I.M. Vieira and D.C.C. Vieira, 33 specimens ( IEPA 900 ) ; stream on the right margin of the Cupixi River (0°34’11”N, 52°18’28”W), 28.vii.2005, I.M. Vieira and D.C.C. Vieira, 5 specimens ( IEPA 903 ) ; tributary stream of Cupixi River , with sandy bed and in other stretches with mud, unstable and deep (0°34’52”N, 52°19’12”W), 6.viii. 2005, I.M. Vieira, 1 specimen ( IEPA 1232 ) ; stream with sandy bed and in some parts with rocks, very narrow, transparent, water level approximately 40 cm deep, Cupixi River (0°34’40”N, 52°18’04”W), 4.viii.2005, I.M. Vieira, 2 specimens ( IEPA 1433 ) .— Municipality of Oiapoque: National Park of Tumucumaque Mountains, shallow stream forming a swamp during the dry season, tributary of the Anotaié River (3°12’47”N 52°02’22”W), 9.ix.2005, I.M. Vieira and D.C.C. Vieira, 1 male ( IEPA 948 ) ; Anotaié River (3°12’55”N, 52°00’55”W), 12.ix.2005, I.M. Vieira and D.C.C. Vieira, 3 specimens ( IEPA 1209 ) ; stream of the right bank of the Anotaié River (3°13’55”N, 52°01’02”W), 7.ix.2005, I.M. Vieira and D.C.C. Vieira, 2 specimens ( IEPA 1213 ) ; stream of the right bank of the Anotaié River (03°14’50”N, 52°01’04”W), 5.ix.2005, I.M. Vieira and D.C.C. Vieira, 2 specimens ( IEPA 1215 ) ; stream of the right bank of the Anotaié River (3°15’56”N, 52°01’09”W), 8.ix.2005, I.M. Vieira and D.C.C. Vieira, 1 specimen ( IEPA 1216 ) stream of the right bank of the Anotaié River (3°13’55”N, 52°01’02”W), 7.ix.2005, I.M. Vieira and D.C.C. Vieira, 13 specimens ( IEPA 1219 ) .— Municipality of Calçoene: National Park of Tumucumaque Mountains, stream of tributary from Mutum River (1°23’51”N, 51°56’04”W), 6.xi.2005, I.M. Vieira and D.C.C. Vieira, 5 specimens ( IEPA 1008 ) ; stream on the left bank of the Mutum River (1°23’22”N, 51°56’01”W), 4.xi.2005, I.M. Vieira and D.C.C. Vieira, 1 specimens ( IEPA 1015 ) .— Municipality of Pedra Branca do Amapari and Serra do Navio: stream on the right bank of the Anacuí River (1°49’43”N, 52°45’09”W), 6.iii.2006, I.M. Vieira and D.C.C. Vieira, 4 females with eggs and 1 specimen ( IEPA 1442 ) ; tributary stream from Anacuí River (1°50’37”N, 52°45’04”W), 7.iii.2006, I.M. Vieira and D.C.C. Vieira, 4 females and 12 specimens ( IEPA 1445 ) ; tributary stream from Anacuí River (1°50’58”N, 52°45’59”W), 8.iii.2006, I.M. Vieira and D.C.C. Vieira, 3 females and 7 females with eggs ( IEPA 1449 ) ; Rio Araguari, stream at the Capivara waterfall, 20.viii.1992, coll. C. Magalhães ( INPA-CRU 001081 ) ; Serra do Navio, Rod Cachaça, Stream Piçarra , Fazendinha , 22.iii.1991, ( INPA-CRU 001214 ) ( Figure 1 ).

Geographic distribution. Orinoco and Amazon River basins, Venezuela, Colombia, Peru and Brazil (states of Amapá, Amazonas, Pará and Roraima) ( García-Dávila & Magalhães 2003; Kensley & Walker 1982; Pachelle & Tavares 2018; Pimentel & Magalhães 2014; Santos et al. 2018; Valencia & Campos 2010; Vieira 2008; Pereira 1991;; López & Pereira 1998).

Distribution in Amapá state. Amapá state basisn of the rivers Curiaú, Iratapuru, Jari, Cupixi, Anotaíé, Mutum, Amapari and Anacuí.

Previous records. Pimentel & Magalhães (2014); Santos et al. (2018); Vieira (2003, 2008).

Ecological notes. Species collected in streams with beds containing a lot of leaf litter and shaded.

Remarks. The specimens analyzed in this study correspond to the descriptions of Melo (2003), Garcia-Dávila & Magalhães (2003); Pachelle & Tavares (2018) and Pimentel & Magalhães (2014).

Figures

FIGURE 1. Geographic distribution map of Euryrhynchus amazoniensis Tiefenbacher, 1987; E. burchelli Calman, 1907; E. tomasi De Grave, 2007 and E. wrzesniowskii Miers, 1877 from the state of Amapá, in eastern Brazilian Amazon region.