Wiegmann, 1836 : 149
Holthuis, 1952 : 69
Chace & Hobbs, 1969 : 106
Chace, 1972 : 20
Escobar, 1979 : 110
Rodríguez, 1980 : 122
Rodríguez, 1981 : 47
Abele & Kim, 1989 : 10
Melo, 2003 : 354
Galvis, 1986 : 447
Freshwater prawns of the genus Macrobrachium Bate, 1868 (Crustacea: Decapoda: Palaemonidae) of Colombia
Valencia, Diego M.
Campos, Martha R.
Zootaxa
2007
1456
1
44
87b68bdc-8069-4d02-bc7a-185327564baa
Wiegmann, 1836
Wiegmann
1836
[151,744,151,177]
Malacostraca
Palaemonidae
Macrobrachium
Animalia
Decapoda
23
24
Arthropoda
species
heterochirus
Palaemon heterochirus Wiegmann, 1836: 149. Macrobrachium heterochirus, Holthuis, 1952: 69.— Chace & Hobbs, 1969: 106.— Chace, 1972: 20.— Escobar, 1979: 110.— Rodríguez, 1980: 122.— Rodríguez, 1981: 47.— Abele & Kim, 1989: 10.— Melo, 2003: 354. Macrobrachium carcinus, Galvis, 1986: 447. (For detailed synonymy refer to Holthuis, 1952).
Material examined Caldas: La Dorada.Corregimiento Guarinocito, 300 masl, 19 Nov 1987, leg. S. Prada, 1 male, ICN- MHN-CR 0819.— Guarinó River, 170 masl, 17 Dec 2002, leg. G. Galvis, 1 female, ICN-MHN-CR 2082.— Samaná,Corregimiento Norcasia, La Miel River, 560 masl, 22 May 1992, leg. G. Galvis, 1 male, ICN-MHN- CR 1469. Cundinamarca: Puerto Salgar, Negro River, 150 masl, 14 Mar 1992, leg. P. Cala, 1 male, ICN-MHN-CR 2204.— Yac o p í, Guaguaquí River, 360 masl, 29 Sep 1997, leg. G. Galvis, 1 male, ICN-MHN-CR 1668. Chocó: Acandí, Acandí River, 1 ovigerous female, 2 juveniles, INV 768. La Guajira: Riohacha,south of Mingueo, 45 masl, 27 Aug 1972, leg. J. Thomerson, 1 female, ICN- MHN-CR 2119. Magdalena: Santa Marta,Parque Nacional Natural Tayrona, Los Cedros, 6 Jul 1983, leg. G. Galvis, 2 males, ICN-MHN-CR 0 535. Santander: Simacota.Suárez River, 2 Mar 1973, leg. J. Vega, 1 male, ICN-MHN-CR 0053.— Santa Rosa stream, affluent of Suárez River, 22 May 1981, leg. P. Cala, 2 males, ICN-MHN-CR 1742.
Diagnosis Rostrum sinuous, apex curved upward, shorter than scaphocerite, as long as or shorter than antennular peduncle, upper margin with 11 to 13 teeth, including 4-5 teeth completely post orbital, the 3 to 4 distal teeth straight and with more recess between them than rest of teeth, lower margin with 2 to 3 teeth; carapace smooth; abdomen smooth; telson terminal margin ending in midspine, flanked by two pairs of spinules, internal pair about same length as midpoint, external pair shorter than midpoint. First pair of pereopods overreaching scaphocerite with total length of carpus. Second pair of pereopods elongated, prominent, similar in shape and size, with conspicuous spines and thickly pubescence on ventral margin from ischium to merus, palm on distal portion, ventral and internal base of fixed finger; overreaching scaphocerite with 1/2 of merus, merus 0.81 to 0.85 x carpus length, 0.59 to 0.63 x palm length; carpus 3.13 to 4.23 x as long as wide, 0.72 to 0.75 x palm length; palm prominent, 4.76 to 6.28 x as long as wide, and 4.0 to 5.60 x as long as high; fingers 0.63 to 0.71 x palm length, cutting edges pubescent with series of small, similar size teeth from their base to midportion. Size.The largest male TL 113.4 mm, CL 38.4 mm; the largest female TL 83.9 mm, CL 26.1 mm; 1 ovigerous female was examined: TL 58.4 mm, CL 17.8 mm, with small and large number of eggs.
Remarks Two males identified as Macrobrachium carcinus( Linnée, 1758)from Santa Marta, Parque Nacional Natural Tayrona, Los Cedros, department of Magdalena (ICN-MHN-CR 0535) by Galvis (1986)are actually M. heterochirus.