Macrobrachium olfersii ( Wiegmann, 1836 )

Ferreira, Rodrigo Simões, Vieira, Rony Roberto Ramos & D’Incao, Fernando, 2010, The marine and estuarine shrimps of the Palaemoninae (Crustacea: Decapoda: Caridea) from Brazil, Zootaxa 2606, pp. 1-24 : 11-13

Macrobrachium olfersii ( Wiegmann, 1836)

Palaemon Olfersii Wiegmann, 1836: 150 .

Palaemon olfersii Ortmann, 1891: 733 .

Macrobrachium olfersii Pearse, 1911: 111 ; Sawaya, 1946: 404; Holthuis, 1950a: 17; Anderson & Fillingame, 1980: 90; Williams, 1984: 70; Abele & Kim, 1986: 14; Ramos-Porto & Coelho, 1998: 334; Bowles et al., 2000: 165; Nizinski, 2003: 103.

Macrobrachium olfersi Holthuis, 1952: 95 ; Ramos-Porto & Palacios, 1981: 280; Bond-Buckup & Buckup, 1989: 891, 1999: 313; Melo, 2003: 366.

Material examined. AMAPÁ: Mundaú, 1 male, (MZUSP-7142); PARÁ: Pará, 5 males, (MZUSP-12260); PIAUÍ: Rio Piauí, 1 indeterminate, (MNRJ-2574); CEARÁ: Orós, Rio Jaguaribe, 7 indeterminate, (MNRJ- 895); RIO GRANDE DO NORTE: Lagoa do Jiqui, 3 males, 1 female, 1 ovigerous female, (MNRJ-2594); PERNAMBUCO: Recife, 1 male, 1 indeterminate, (MNRJ-2563); Recife, 1 male, (MNRJ-2562); Recife, 5 indeterminate, (MNRJ-2567); Recife, 1 male, (MNRJ-2580); ALAGOAS: Mundaú, 1 male, (MZUSP-7143); Maceió, Lagoa Mundaú, 1 male, 1 female, 1 ovigerous female, (MNRJ-2561); Atalaia, Rio Paraíba, 5 males, 1 female, 1 ovigerous female, (MNRJ-16783); São Miguel dos Campos, 1 female, (MNRJ-894); SERGIPE: Rio Piauí, 1 male, 1 female, (MNRJ-2569); BAHIA: Mucuri, Rio Mucuri, 1 male, 3 females, 3 ovigerous females, (MZUSP-9163); Mucuri, Rio Mucuri, 1 ovigerous female, (MZUSP-9165); Salvador, 4 males, 1 female, (MNRJ-2586); Ilhéus, 16 males, 8 females, (MNRJ-2582); Ilhéus, 6 males, (MNRJ-4403); Ilhéus, 1 female, (MNRJ-2578); Rio Uma, 1 male, (MZUSP-9252); ESPÍRITO SANTO: Leopoldina, Rio Santa Maria, 5 males, 1 ovigerous female, (MZUSP-203); Lagoa Juparanã, 2 ovigerous females, (MNRJ-2584); RIO DE JANEIRO: Rio Guapiaçú, 1 male, 1 ovigerous female, (MZUSP-5945); Rio Guapiaçú, 1 male, (MZUSP- 5947); Rio Paraíba, 1 male, (MZUSP-1913); Rio Paraíba, 3 males, (MZUSP-12037); Parati, Rio Parati- Mirim, 3 males, 3 females, (MNRJ-4341); Parati, Rio Parati-Mirim, 3 males, (MNRJ-4342); Parati, 5 males, 3 ovigerous females, (MNRJ-2771); Casimiro de Abreu, Praia do Mar do Norte, 4 males, 2 ovigerous females, (MNRJ-2750); Jacarepaguá, Rio Camorim, 2 males, 1 female, 1 ovigerous female, (MNRJ-1701); Itaguaí, 2 males, 1 ovigerous female, (MNRJ-4373); Mangaratiba, Praia da Ribeira, 1 ovigerous female, (MNRJ-2588); Ilha da Marambaia, 3 females, (MNRJ-2566); Niterói, Serra das Tiriricas, 1 female, (MNRJ-2294); Rio de Janeiro, Lagoa Rodrigo de Freitas, 1 male, (MNRJ-873); Rio de Janeiro, Canal da Barra da Tijuca, 1 male, (MNRJ-2576); Ilha do Governador, 5 males, 4 females, (MNRJ-997); SÃO PAULO: Ubatuba, Rio Ubatumirim, (23°18’24”S, 44°52’18,8”W), 9 males, 7 females, 1 ovigerous female, (MZUSP-15941); Ubatuba, Rio Grande, (23°24’58,5”S, 45°06’29,9”W), 2 males, 12 females, (MZUSP-15981); Ubatuba, Rio Itamambuca, 1 male, (FURG-0450); Ubatuba, Rio Comprido, (23°24’58,8”S, 45°06’31,4”W), 1 male, 6 females, (MZUSP-15960); Ubatuba, Rio Comprido, (23°24’58,8”S, 45°06’31,4”W), 1 male, (MZUSP- 15959); Ubatuba, Rio Comprido, (23°25’17,8”S, 45°07’41,6”W), 2 males, (MZUSP-15950); Ubatuba, Rio Comprido, (23°25’22,4”S, 45°07’30,7”W), 7 males, 1 female, (MZUSP-15955);Ubatuba, Rio Comprido, (23°25’20”S, 45°07’35”W), 18 males, 26 females, 6 ovigerous females, (MZUSP-15944); Ubatuba, (23°25’06,1”S, 45°07’46,6”W), 1 male, (MZUSP-15970); Ubatuba, Rio do Ouro, (23°25’06,1”S, 45°07’46,6”W), 1 female, (MZUSP-15961); Ubatuba, Rio do Cemitério, (23°24’44”S, 45°06’50,7”W), 8 males, 7 females, (MZUSP-15984); Ubatuba, Rio Tunhumbi, (23°30’5,47”S, 45°14’54,7”W), 3 males, (MZUSP-16001); Ubatuba, Rio Marimbondo, (23°31’02,9”S, 45°14’43,7”W), 3 males, 1 female, 2 ovigerous females, (MZUSP-15989); Ubatuba, Rio Marimbondo, (23°31’02,9”S, 45°14’43”W), 19 males, 6 females, (MZUSP-15997); Ubatuba, 5 males, 4 females, (MZUSP-6395); Ubatuba, (23°31’57,9”S, 45°14’35,1”W), 3 males, 1 female, (MZUSP-16020); Cachoeira do Engenho, (23°31’0,10”S, 45°14’48,9”W), 2 males, 4 females, (MZUSP-16012); Ilha do Cardoso, 1 male, 1 ovigerous female, (MZUSP-15097); Tabatinga, Rio do Sítio Jacu, (23°33’32,9”S, 45°16’38,3”W), 1 male, (MZUSP-16032); Sorocaba, 1 ovigerous female, (MZUSP-732); Sorocaba, 1 male, 2 females, 1 ovigerous female, (MNRJ-2571); Ilha dos Búzios, 2 males, 3 ovigerous females, (MZUSP-9643); São Sebastião, Rio Boissucanga, 1 female, 1 ovigerous female, (MZUSP- 13596); São Sebastião, Bela Vista, (23°48’55,6”S, 45°31’34,7”W), 5 males, 2 females, (MZUSP-16050); São Sebastião, Bela Vista, (23°48’55,6”S, 45°31’34,7”W), 5 males, 2 females, (MZUSP-16050); São Sebastião, Toque Toque Pequeno, (23°48’42,1”S, 45°31’39”W), 10 males, 10 females, (MZUSP-16043); São Sebastião, Rio Guaicá, 2 males, (MZUSP-16679); São Sebastião, (23°48’43,9”S, 45°31’43,2”W), 1 male, 3 females, (MZUSP-16045); Ilhabela, Rio do Curral, 3 males, 1 female, (MZUSP-16067); Ilhabela, Rio Cocaia, 5 males, 1 female, (MZUSP-16058); Ilhabela, Rio Castelhanos, (23°48’50,5”S, 45°21’35,4”W), 2 females, 8 ovigerous females, (MZUSP-16061); Cubatão, 1 male, (MNRJ-2564); Baixada de Santos e São Vicente, 1 male, (MNRJ-2565); Santos, 1 male, (MZUSP-730); Itanhaem, 2 females, 4 indeterminate, (MNRJ-2583); Cachoeira do Engenho, (23°31’0,6”S, 45°14’48,9”W), 14 males, 6 females, (MZUSP-16019); Cachoeira do Engenho, (23°31’0,1”S, 45°14’48,9”W), 11 males, 1 female, (MZUSP-16015); Rio Mococa, (23°32’20,8”S, 45°17’39,2”W), 10 males, (MZUSP-16040); Rio Mococa, (23°33’01,7”S, 45°17’56,3”W), 18 males, 11 females, 1 ovigerous female, (MZUSP-16035); Estação Ecológica Juréia-Itatins, Rio Tetiquera, 3 males, 1 female, (MZUSP-16678); Estação Ecológica Juréia-Itatins, Trilha do Fundão, 11 male, 2 females, 3 ovigerous females, 2 indeterminate, (MZUSP-13944); Cananéia, 1 male, 4 females, (MZUSP-15818); Cananéia, 1 male, 2 ovigerous females, (MZUSP-15813); Ilha Comprida, (25°00’50”S, 47°52’32”W), 1 male, 2 females, 1 indeterminate, (MZUSP-15829); SANTA CATARINA: Santa Catarina, 1 male, (MZUSP-5963); Santa Catarina, 1 male, (MZUSP-5962); Rio Gravataí, 2 males, (MZUSP-7387); Ilha do Arvoredo, 5 males, 2 females, (MZUSP-9568); Itajaí, Rio Itajaí-Açu, 2 males, (MNRJ-2585); Joinville, 8 males, 5 ovigerous females, (MNRJ-2589); RIO GRANDE DO SUL: Lagoa dos Patos, Baixio do Mosquito, 1 female, (FURG- 2119); Lagoa dos Patos, Torotama, 1 male, (FURG-2120); Canal São Gonçalo, 1 male, (FURG-3063); Canal São Gonçalo, 1 male, (FURG-3067).

Diagnosis. Rostrum straight, reaching end of antennular peduncle, dorsal margin with 12 to 15 teeth equally distributed, first 3 or 4 teeth behind orbit, ventral margin with 3 or 4 teeth. Second pair of pereopods very unequal in size, but equal in shape, both pereopods bearing longitudinal row of spines.

Distribution. Western Atlantic Ocean: USA (North Carolina, Florida, Mississipi, Louisiana, Texas), Mexico, Guatemala, Nicaragua, Panama, Colombia, Venezuela, Guyana, Surinam, French Guyana, Brazil (Amapá, Pará, Piauí, Ceará, Rio Grande do Norte, Pernambuco, Alagoas, Sergipe, Bahia, Espírito Santo, Rio de Janeiro, São Paulo, Paraná, Santa Catarina, Rio Grande do Sul).