Pimelodus multicratifer, Ribeiro & de Lucena & Oyakawa, 2011

Ribeiro, Frank Raynner V., de Lucena, Carlos Alberto S. & Oyakawa, Osvaldo T., 2011, A new species of Pimelodus La Cépède, 1803 (Siluriformes: Pimelodidae) from rio Ribeira de Iguape basin, Brazil, Neotropical Ichthyology 9 (1), pp. 127-134 : 128-132

publication ID

http://doi.org/ 10.1590/S1679-62252011000100011

persistent identifier


treatment provided by


scientific name

Pimelodus multicratifer

new species

Pimelodus multicratifer   , new species

Figs. 1 View Fig and 2 View Fig

Pimelodus maculatus   . - Oyakawa et al., 2006: 117 (citation, figure).

Holotype. MZUSP 91287 View Materials , 198.0 mm SL, São Paulo, confluence of the rios Pariquera and Pariquera-Mirim, near mouth to the rio Ribeira de Iguape , Pariquera-Açú , ca. 24º37’58”S 47º44’11”W, 14 Jun 2001, O. T. Oyakawa, A. Akama, J. C. Nolasco & A. C. Paixão. GoogleMaps  

Paratypes. Brazil. São Paulo: rio Ribeira de Iguape basin   : MZUSP 70428 View Materials , 5 View Materials , 188.3 View Materials - 212.5 mm SL, collected with holotype GoogleMaps   . INPA 33949 View Materials , 2 View Materials XR, 139.8 and 149.7 mm SL   ; MCP 44408 View Materials , 3 View Materials , 121.5 View Materials - 148.5 mm SL   ; MZUSP 37995 View Materials , 2 View Materials , 116.9 View Materials and 133.8 mm SL, 1 SK 116.9 mm SL, rio Turvo, 14 km from Barra do Turvo , ca. 24º42’S 48º35’W, 22 Jul 1987 GoogleMaps   , O. T. Oyakawa   . MCP 14910 View Materials , 1, 100.7 mm SL, rio Ribeira de Iguape, near mouth of the rio Iporanga , 24º37’S 48º37’W, 29 Apr 1990 GoogleMaps   , R. E. Reis & G. Skuk   . MZUSP 2265 View Materials , 4 View Materials , 107.0- 130.8 mm SL, ribeirão Poço Grande, Juquiá , ca. 25º15’14.8”S 47º37’12.6”W, 1898, E. Garbe GoogleMaps   . MZUSP 45171 View Materials , 1, 126.8 mm SL, Eldorado, rio Batatal , ca. 24º35’26.3”S 48º16’23.9”W, 2 Mar 1993 GoogleMaps   , M. Damato. MZUSP 45208 View Materials , 1, 139.1 mm SL; Eldorado, rio Pilões , ca. 24º35’26”S 48º16’23”W, 5 Mar 1993 GoogleMaps   , M. Damato. MZUSP 45465 View Materials , 2 View Materials , 118.6 View Materials and 185.5 mm SL, same locality and collector, 6 Mar 1993 GoogleMaps   . MZUSP 51957 View Materials , 1, 125.3 mm SL, Iporanga, rio Ribeira de Iguape, near mouth of the rio Betari , 21 Aug 1996   , S. Buck. MZUSP 55492 View Materials , 2 View Materials , 145.9 View Materials and 211.1 mm SL, rio Momuna, Iguape , ca. 24º42’28.8”S 47º40’25.8”W, 9 Oct 1995 GoogleMaps   , M. R. Santos   . MZUSP 58711 View Materials , 1 View Materials , 130.0 mm SL, rio Pilões, Iporanga , ca. 24º33’16”S 48º25’31”W, 12 Oct 1995 GoogleMaps   , M. R. Santos   . MZUSP 58894 View Materials , 4 View Materials , 129.0- 143.2 mm SL, rio Pardo, Barra do Turvo , ca. 24º48’10’’S 48º33’08’’W, 25 Jan 1995 GoogleMaps   , M. R. Santos & M. Morato   . MZUSP 60072 View Materials , 1, 144.4 mm SL, same locality, 23 Mar 2000   , O. T. Oyakawa et al   . MZUSP 73872 View Materials , 2 View Materials , 134.5 View Materials and 138.4 mm SL, rio Catas Altas, Ribeira , ca. 24º36’32”S 49º04’46”W, 14 Oct 1995 GoogleMaps   , M. R. Santos & M. Morato   . MZUSP 84722 View Materials , 1, 198.8 mm SL, Barro Branco, Ilha Comprida , ca. 24º50’17”S 47º41’46”W, 17 Feb 2000 GoogleMaps   , R. Silva   .

Additional material (non-types). All from Brazil, State of São Paulo, Municipality of Iguape : MZUSP 55479 View Materials , 2 View Materials , 231.7 View Materials and 315.2 mm SL, rio Una da Aldeia , 300 m above mouth of rio Una da Aldeia , 9 Oct 1995, M. R. Santos & C. E. Espírito Santo. MZUSP 62886 View Materials , 2 View Materials , 218.4 View Materials and 227.5 mm SL, rio Una do Prelado , Estação Ecológica Juréia-Itatins , 26 Jun 2000, M. Rodrigues   .

Diagnosis. Pimelodus multicratifer   differs from P. absconditus Azpelicueta   , P. albofasciatus Mees   , P. atrobrunneus Vidal   & Lucena, P. blochii Valenciennes   , P. britskii Garavello & Shibatta   , P. fur (Lütken)   , P. halisodous Ribeiro   , Lucena & Lucinda, P. jivaro Eigenmann & Pearson   , P. joannis Ribeiro   , Lucena & Lucinda, P. luciae   Rocha & Ribeiro, P. maculatus La Cépède   , P. microstoma Steindachner   , P. ornatus Kner   , P. ortmanni Haseman   , P. pantaneiro   Souza- Filho & Shibatta, P. paranaensis Britski & Langeani   , P. pictus Steindachner   , P. pintado Azpelicueta, Lundberg & Loureiro   , P. platicirris Borodin   , P. pohli Ribeiro   & Lucena, P. stewarti Ribeiro   , Lucena & Lucinda, and P. tetramerus Ribeiro   & Lucena by the number of gill rakers on the first branchial arch (26-30 vs. 18-27).

The possession of three to six rows of dark spots, regular or irregularly, scattered on sides of trunk and several small dark spots irregularly scattered on the dorsal surface of head and supraoccipital process, distinguishes Pimelodus multicratifer   from P. altissimus Eigenmann & Pearson   , P. argenteus Perugia   , P. atrobrunneus   , P. blochii   , P. brevis Marini, Nichols & La Monte   , P. halisodous   , P. jivaro   , P. joannis   , and P. stewarti   , which have an uniform color pattern, without spots on sides of the trunk and dorsal surface of head and supraoccipital process, and from P. albicans (Valenciennes)   , P. albofasciatus   , P. ornatus   , and P. tetramerus   , which have stripes or band along the sides of trunk. Also, the possession of spots on the dorsal surface of head and supraoccipital process distinguishes P. multicratifer   from P. absconditus   , P. britskii   , P. coprophagus Schultz   , P. fur   , P. garciabarrigai Dahl   , P. grosskopfii Steindachner   , P. microstoma   , P. mysteriosus Azpelicueta   , P. navarroi Schultz   , P. paranaensis   , P. pictus   , P. pohli   , and P. punctatus (Meek & Hildebrand)   .

Pimelodus multicratifer   has a similar color pattern to P. maculatus   , P. ortmanni   , P. pintado   , P. platicirris   , P. mysteriorus   , P. pantaneiro   , and P. luciae   . Pimelodus multicratifer   differ further from P. maculatus   by the shorter predorsal distance (40.1-43.0 vs. 43.3-47.3% of SL), shorter head (27.1-28.9 vs. 29.3-33.1% of SL), smaller caudal peduncle depth (7.6-9.2 vs. 9.8-11.6% of SL), and shorter adipose-fin base (20.9-23.4 vs. 24.6-27.6% of SL). Pimelodus multicratifer   differ further from P. ortmanni   by longer predorsal distance (40.1-43.0 vs. 36.8-39.8% of SL); shorter adipose-fin base (20.9- 23.4 vs. 24.7-27.0% of SL); and longer pectoral-spine (18.1- 23.2 vs. 16.3-18.5% of SL). Pimelodus multicratifer   differs further from P. pintado   by having pectoral, pelvic and anal fins without spots (vs. often present); and lower total number of vertebrae (40 vs. 41 or 42). Pimelodus multicratifer   differ further from P. platicirris   by shorter head (27.1-28.9 vs. 29.2- 32.2% of SL) and smaller caudal peduncle depth (7.6-9.2 vs. 9.7-11.3% of SL). Pimelodus multicratifer   differ further from P. mysteriosus   by the striated lips; maxillary barbels shorter, reaching between the end of the pelvic-fin and middle caudalfin rays (vs. maxillary barbels reaching the tip of caudal-fin lobes). Pimelodus multicratifer   differ further from P. pantaneiro   by the smaller body depth (21.3-26.4 vs. 26.9-35.0% of SL) and by the supraoccipital process width about half its length (vs. approximately as long as its length). Pimelodus multicratifer   differ further from P. luciae   by having the posterior nostril closer to anterior nostril than to anterior margin of orbit (vs. posterior nostril closer to anterior margin of orbit than to anterior nostril).

Description. Morphometric data in Table 1. Body deeper than wide; relatively elongated. Dorsal profile of body slightly convex to straight from snout tip to dorsal-fin origin; straight from this point to adipose-fin origin, gently sloping to beginning of caudal peduncle. Ventral profile of body slightly convex from posterior region of isthmus to anal-fin origin; rising along anal fin. Ventral profile of head straight from the snout tip to anterior region of isthmus. Caudal peduncle relatively long; dorsal and ventral profiles of caudal peduncle slightly concave. Head covered by thin skin. Skull roof ornamented with numerous small osseous granulations, more visible in larger specimens. Snout relatively long. Mouth wide, subterminal, opening anteroventrally; its margins curved in ventral view when closed and exposing premaxillary tooth rows; upper lip thick, not very developed, fleshy and striated. Internarial length shorter than internarial posterior width; anterior nostril with fleshy rim slightly raised posteriorly; posterior nostril thin, fleshy rim anteriorly elevated. Anterior cranial fontanel triangular in dorsal view, open from mesethmoid to frontals, and terminating before vertical through posterior margin of eye. Posterior cranial fontanel completely closed. Premaxillary tooth patch short, broad, rectangular and transversely elongated; each premaxilla with 11-14 irregular rows of conical and slender teeth (mode = 12; n = 12). Dentary with 8-10 tooth rows (mode = 9; n = 12). Vomerine teeth absent. Pterygoid tooth patch absent. Eye large, elliptical, with margin completely free and laterodorsally located on head; horizontal orbital diameter greater than interorbital distance in specimens smaller than 140.0 mm SL; horizontal orbital diameter always greater than vertical diameter. Supraoccipital process wide, reaching anterior nuchal plate; dorsal surface ornamented with numerous small granulations; sides of supraoccipital process tapering posteriorly; rounded in its posterior tip, covered by thin band of opaque hyaline skin. Anterior and middle nuchal plates ornamented with tuberculated ridges. Gill membranes free, diverging just behind gular fold apex and supported by 8 branchiostegal rays (n = 2). Gill rakers well ossified, long, sharp and slender; rakers on first branchial arch 26-30 (mode = 27; n = 26); 6-10 on epibranchial (mode = 8), 19-22 on ceratobranchial (mode = 19). Three pairs of barbels. Maxillary barbel inserted at vertical through anterior edge of lower jaw; its tip reaching between posterior edge of pelvic fin and middle rays of caudal fin. All mental barbels inserted in advance of gular fold apex, in a curved line parallel to mandibular margin. Tip of inner mental barbel sometimes reaching pectoral-fin base. Tip of outer mental barbel reaching tips edge middle pectoralfin rays, or almost edge of pectoral-fin spine. Posterior cleithral process broad, triangular, with ventral margin nearly straight, dorsal margin somewhat concave; granular and osseous tubercles on lateral surface. Urogenital papilla short, located in shallow depression immediately behind anus and between pelvic fins; its distal portion nearly triangular. No apparent sexual dimorphism. Dorsal fin II,6-7 (mode = 6; n = 26); its origin slightly anterior to vertical through tip of innermost pectoral-fin ray. Spinelet narrow, sharply angular, rounded in front; its tip gently rounded. Dorsal-fin spine straight, strong, pungent, and shorter than first branched ray; approximately as long as pectoral-fin spine length. Dorsal-fin spine bearing 1-3 dentations in its anterior and distal margin. Posterior margin of dorsal-fin spine with moderate sharp retrorse aculeus distally, becoming gradually smaller and erect proximally. First branched dorsal-fin ray longest, last dorsal-fin ray less than half length of first ray; distal margin of dorsal fin nearly straight. Adipose-fin origin at vertical through tip of outer pelvic-fin ray. Adipose-fin margin rounded and moderately deep, its apex short posterior to vertical through anal-fin origin, ending in short free lobe near vertical through tip of last anal-fin ray. Caudal fin deeply forked, with pointed lobes; dorsal lobe slightly longer than ventral lobe, its outer principal rays not filamentous. Dorsal lobe with 8 rays, 1 unbranched and 7 branched rays (n = 26); ventral lobe with 9-10 rays (mode = 9), 1 unbranched and 8- 9 branched rays (n = 26). Anal fin insertion on last third of standard length; without a distinct lobe in anterior portion of its margin; posterior margin concave; tips of longest anterior and posterior rays meeting when depressed. Analfin rays 12-15 (mode = 14; n = 26), 4-6 unbranched rays (mode = 5) and 7-9 branched rays (mode = 8); last ray unbranched, first and second branched rays longest. Pelvic fin, i,5 (n = 12), at or slightly anterior to vertical through end of dorsal-fin base; first branched ray longest. Pectoral fin I,9-10 (mode = 10; n = 26); first soft ray approximately as long as pectoral-fin spine. Pectoral spine strong, pointed, dorsal and ventral surfaces smooth; numerous, regularly spaced, uniformly retrorse and simple dentations along most of posterior margin; antrorse and straight dentations along proximal half of anterior margin, becoming progressively less prominent and more concentrated proximally. Lateral line canal complete to caudal-fin base; declining to little ahead vertical through dorsal-fin origin, nearly straight from there to caudal-fin base; superficial tubular ossicles directed posteroventrally and more developed anteriorly; no accessory laterosensory canals posterior to nuchal area. Total vertebrae in four specimens, 40 (16 precaudals and 24 caudals). First pleural rib on 6th vertebra. Ten pairs of ribs.

Color in alcohol. Ground coloration of body grayish to yellowish, with three to six rows of dark spots regularly or irregularly scattered on sides of trunk. Number of rows of spots changes with body size - three or four rows in individuals smaller than 130.0 mm SL ( Fig. 2 View Fig ) and four to six rows in larger individuals. Spots more abundant on anterior half of flanks; two to four rows of dark spots on posterior half of flanks. Dorsal surface of head with blackish spots; small dark brown spots on parietal and supraoccipital bones; several dark chromatophores on opercle and below orbit region. Ventral region of body light. All fins usually yellowish or dusky. Interradial membranes of dorsal fin hyaline, with scattered small black spots on its first half and dusky on the last. Adipose fin sometimes with two or three spots, with regularly scattered minute melanophores on its distal region. Caudal fin with few black melanophores on its interradial membranes and some black spots on dorsal lobe of some specimens (MZUSP 45208, 45465, 58711, and 79428), sometimes very faint.Ventral surface of maxillary barbel dusky. All mental barbels light to yellowish.

Variation. Two specimens (MZUSP 55479 and MZUSP 62886) from the rio Una da Aldeia, a tributary of rio Ribeira de Iguape, located just above of its mouth, and rio Una do Prelado, a small coastal river located just North of the mouth of the rio Ribeira de Iguape, respectively, possess ten to twelve rows of dark spots irregularly scattered on sides of trunk, whereas type specimens possess three to six rows of dark spots regularly or irregularly scattered on sides of trunk. Furthermore, the spots on non-type specimens are smaller when compared to type specimens, and the dorsal, adipose, and caudal fins are much more pigmented than those of types. The anal fin of the specimen from rio Una do Prelado is very spotted, while in specimens from rio Ribeira de Iguape basin, the anal fin is yellowish or dusky, spotless. These specimens were thus considered non-types, although no differences in morphometric or meristic features were found when compared with the specimens from rio Ribeira de Iguape.

Distribution. Rio Ribeira de Iguape basin, Ilha Comprida, and rio Una do Prelado ( Fig. 3 View Fig ).

Etymology. From the Latin multi-, meaning many, numerous; cratis, from the Latin noun cratis, meaning rake, in reference to gill rakers; and fer from the Latin verb fero, meaning “to bear, carry, support, lift, hold, take up”.

Ecological notes. Pimelodus multicratifer   is widely distributed throughout the rio Ribeira de Iguape drainage, ranging from the altitudes of 3 m above sea level at the rios Pariquera-Açu and Pariquera-Mirim in the lower strech of the rio Ribeira de Iguape, to 250 m above sea level at the rio Catas Altas in the high strech of the river basin. It was found mainly in the large rivers like Ribeira de Iguape, Catas Altas, Pariquera-Mirim and Turvo. The rivers of the high stretch have clear water running over rocks and sand; rivers of the low stretch have a turbid water, and in some case, acid black water like the rio Momuna, at the sandbank forest near the mouth of the rio Ribeira de Iguape into the sea. At the type locality, Pimelodus multicratifer   occurs syntopically with the following species: Cyphocharax santacatarinae (Fernández-Yépez)   , Hoplias malabaricus (Bloch)   , Oligosarcus hepsetus (Cuvier)   , Hoplosternum littorale (Hancock)   and Crenicichla iguapina Kullander   & Lucena.

Comments. Among the species formally described in the genus, the color pattern of specimens of Pimelodus pintado   is similar to that of specimens of P. multicratifer   . The analysis of a series of specimens of P. pintado   showed that this species has two color patterns: (1) present in the holotype and in most larger specimens (see Azpelicueta et al., 2008: fig. 2A; MCP 43342 View Materials , 160.0 mm SL), consisting of small dark spots forming 7-9 irregular horizontal rows on sides of trunk, and (2) consisting of larger dark spots forming 4-6 regular or irregular horizontal rows on sides of trunk.According to Azpelicueta et al. (2008), the latter pattern is usually present in young specimens and is related to ontogeny. This color pattern was also observed in large specimens of P. pintado   ( MCP 21250 View Materials , 240.0 mm SL; MCP 23768 View Materials , 208.0 mm SL). Despite the similarity in color of adults of the two species, the characters listed in the diagnosis are sufficient to distinguish them.

Comparative material. Pimelodus absconditus   : Brazil: MCP 13392 View Materials , 2, 129.3 and 133.7 mm SL, rio Uruguai; MCP 12515 View Materials , 1, 125.0 mm SL, rio Uruguai. Pimelodus albicans: MCP   19248, 4, 139.9- 199.6 mm SL, Argentina, rio Paraná. Pimelodus albofasciatus: RMNH   26156, holotype, PH, Suriname, rio Sipaliwini. Pimelodus altissimus: MZUSP   24588, 1, 148.9 mm SL, Brazil, rio Purus. Pimelodus cf. argenteus: MCP   15811, 4, 53.5-166.5 mm SL, Brazil, rio Paraguai. Pimelodus atrobrunneus: MCP   19678, holotype, 131.5 mm SL, Brazil, rio Uruguai. Pimelodus blochii   : Brazil: MCP 20953 View Materials , 1, 149.4 mm SL, rio Amazonas; MCP 23987 View Materials , 11, 69.3-137.3 mm SL, rio Madeira; MZUSP 6394, 2, 72.9 and 182.8 mm SL, rio Purus; MZUSP 23555, 13, 56.5-91.7 mm SL, rio Japurá; MZUSP 34512, 8, 128.5- 159.8 mm SL, rio Araguari; MZUSP 34513, 2, 151.3 and 154.0 mm SL, rio Xingu; MZUSP 50523, 3, 114.2- 134.9 mm SL, rio Amazonas, rio Juruá; MZUSP 54558, 14, 75.1-117.4 mm SL, rio Tapajós; Peru: MCP 34506 View Materials , 2, 69.1 and 101.7 mm SL, rio Amazonas, rio Pacaya. Pimelodus britskii   : Brazil: MZUSP 50042, 15, not measured, rio Iguaçu; MZUSP 50043, 4, not measured, rio Iguaçu; MZUSP 50044, 11, not measured, rio Iguaçu. Pimelodus coprophagus: USNM   121150, holotype, PH, Venezuela, rio Agua Caliente. Pimelodus fur   : Brazil: MCP 14051 View Materials , 4, 84.8-111.3 mm SL, rio São Francisco; MCP 37328 View Materials , 1, 123.2 mm SL, rio São Francisco; MZUSP 39643, 11, 58.7-105.9 mm SL, rio São Francisco; MZUSP 39643, 11, 59.5-105.9 mm SL, rio São Francisco; MZUSP 39143, 1, 89.4 mm SL, rio São Francisco. Pimelodus grosskopfii: NMW   45781-82, syntypes, PH, Colombia, rio Cauca. Pimelodus halisodous: MCP   41738, holotype, 108.8 mm SL, Brazil, rio Paranã, rio Tocantins. Pimelodus jivaro   : Brazil: MZUSP 57672, 2, 90.9 and 92.5 mm SL, rio Trombetas. Pimelodus joannis: MCP   41739, holotype, 51.0 mm SL, Brazil, Ipueiras, rio Tocantins. Pimelodus maculatus   : Argentina: MCP 19249 View Materials , 3, 56.7-102.0 mm SL, Argentina, rio Paraná; MZUSP 44776, 2, 82.9 and 128.2 mm SL, rio de La Plata. Brazil: MCP 13235 View Materials , 1, 167.7 mm SL, rio Uruguai; MZUSP 1188, 1, 211.7 mm SL, rio Uruguai; MZUSP 24456, 1, 61.8 mm SL, ilha Solteira, rio Paraná; MZUSP 58655, 4, 128.5- 200.1 mm SL, rio Paraná. Pimelodus microstoma   : Brazil: NMW 45823 View Materials , syntype, PH, Irisanga, rio Paraná; NMW 45824 View Materials , 2 syntypes, 140.0 and 125.8 mm SL, Irisanga, rio Paraná; MZUSP 22713, holotype of Pimelodus heraldoi, PH   , 179.0 mm SL, rio Paraná, rio Mogi Guaçu; MZUSP 22695, paratypes of Pimelodus heraldoi   , 7, not measured, Pirassununga, rio Mogi Guaçu, Cachoeira de Emas; MZUSP 22696, paratypes, 18, 90.5-171.5 mm SL; rio Mogi Guaçu; MZUSP 38915, paratypes of Pimelodus heraldoi   , 7, 104.6- 116.1 mm SL, rio Paranaíba. Pimelodus mysteriosus   : Argentina: MLP 9191, holotype, 103.0 mm SL, PH, Argentina, arroio Anselmo; Brazil: MZUSP 44403, paratype, not measured, rio Paraguay. Pimelodus navarroi: USNM   121174, holotype, PH, Venezuela, Lago Maracaibo. Pimelodus ornatus   : Brazil: MCP 28870 View Materials , 1, 90.7 mm SL, rio Purus; MCP 15898 View Materials , 1, 152.7 mm SL, rio Tocantins. Pimelodus ortmanni   : Brazil: FMNH 54240, holotype, 161.5 mm SL, PH, rio Iguaçu; MZUSP 50048, 6, 128.5- 151.2 mm SL, rio Iguaçu; MZUSP 50053, 22, 115.2- 170.1 mm SL, rio Iguaçu; MZUSP 50057, 27, 94.6-128.4 mm SL, rio Iguaçu. Pimelodus pantaneiro MZUSP   87808, 1, 228.0 mm, Brazil, rio Miranda. Pimelodus paranaensis   : Brazil: MZUSP 23089, holotype, 235.0 mm SL, rio Paraná; MZUSP 24454, 1, 121.4 mm SL, rio Paraná; MZUSP 28431, 1, 99.3 mm SL, rio Paraná; MZUSP 28432, 1, 71.1 mm SL, rio Paraná; MZUSP 28434, 1, 70.4 mm SL, rio Paraná. Pimelodus pictus   : Brazil: MCP 29853 View Materials , 1, 72.0 mm SL, rio Solimões; Peru: MZUSP 25976, 1, 67.4 mm SL, rio Ucayali. Pimelodus pintado   : Uruguay: ZVC P 6482, holotype, PH, Merín- Patos System, río Cebollatí; Brazil: MCP 8979, 1, 89.5 mm SL, c&s, Taquara, rio Jucai; MCP 17654 View Materials , 9, 105.0-202.0 mm SL, lago Guaíba; MCP 21250 View Materials , 8, 116.0-234.0 mm SL, rio Jacuí, Arroio do Tigre; MCP 23768 View Materials , 23, 112.9-208.0 mm SL, rio Jacuí; MCP 28087 View Materials , 15, 89.8-213.0 mm SL, rio Jacuí, delta of rio Jacuí; MCP 43342 View Materials , 1, 160.0 mm SL, rio Jacuí; MZUSP 78452, 4, 87.8-125.5 mm SL, laguna dos Patos. Pimelodus platicirris   : Brazil: AMNH 8628, 1, 190.0 mm SL, PH, rio Mogi Guaçu; MZUSP 22716, 76, 108.6- 170.0 mm SL, rio Mogi Guaçu; MZUSP 79838, 26, 111.8- 140.3 mm SL, rio Mogi Guaçu; MZUSP 58655, 4, 128.5-200.9, rio Mogi Guaçu. Pimelodus pohli   : Brazil: MCP 16661 View Materials , 6, 44.3-105.7 mm SL, rio São Francisco; MCP 16668 View Materials , 4, 69.3-85.3 mm SL, rio São Francisco; MCP 16671 View Materials , 7, 63.6-98.8 mm SL, rio São Francisco; MZUSP 24704, 2, 128.7 and 134.3 mm SL, rio São Francisco; MZUSP 39320, 6, 95.0- 121.7 mm SL, rio São Francisco. Pimelodus punctatus: FMNH   7577, holotype, PH, Panamá. Pimelodus stewarti: MCP   41737, holotype, 54.1 mm SL, Brazil, rio Paranã, rio Tocantins. Pimelodus tetramerus MZUSP   85809, holotype, 112,9 mm SL, Brazil, rio Tocantins.


Tavera, Department of Geology and Geophysics


Pontificia Universidade Catolica do Rio Grande do Sul


Departamento de Geologia, Universidad de Chile














Pimelodus multicratifer

Ribeiro, Frank Raynner V., de Lucena, Carlos Alberto S. & Oyakawa, Osvaldo T. 2011

Pimelodus maculatus

Oyakawa, O & Akama, K 2006: 117