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Journal articles on the topic 'Hemibrycon'

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1

Román-Valencia, C., R. I. D. Ruiz-C, and R. Barriga. "Redescripción de Hemibrycon orcesi Böhlke, 1958 y H. polyodon (Gunther, 1864) (Teleostei, Characidae), incluye clave para las especies de Hemibrycon en Ecuador." Animal Biodiversity and Conservation 30, no. 2 (2007): 179–88. http://dx.doi.org/10.32800/abc.2007.30.0179.

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Redescription of Hemibrycon orcesi Böhlke, 1958 and H. polyodon (Günther, 1864) (Pisces, Characidae), with a key for the species of Hemibrycon from Ecuador. Hemibrycon orcesi is readily distinguished from its congeners by its 13 to 16 teeth on maxilla, base of caudal fin scaled, 34 to 36 scales on lateral line with pores and 17 to 18 branched anal fin rays. H. polyodon is distinguished from its congeners by simple and branched dorsal fin rays of equal length and shape of humeral spot.
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2

Román-Valencia, C., and D. K. Arcila-Mesa. "Two new species of Hemibrycon (Characiformes, Characidae) from the Magdalena River, Colombia." Animal Biodiversity and Conservation 32, no. 2 (2009): 77–87. http://dx.doi.org/10.32800/abc.2009.32.0077.

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Hemibrycon brevispini n. sp. can be distinguished from other species of the genus by the presence of hooks on all fins, and by an elongate projection on the fourth ventral neural arc near the first neural post-zygotic apophysis. Hemibrycon cairoense n. sp. can be distinguished from congeners by having nine proximal pteryigiophores in the dorsal fins including the terminal piece (vs. > 10). It can be distinguished from Hemibrycon species in the Upper and Middle Cauca Rivers by the number of pored lateral-line scales (43-46 vs. > 46 o < 43; F = 13.67; p < 0.000). Ecological data conc
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3

Bertaco, Vinicius A., and Luiz R. Malabarba. "A review of the Cis-Andean species of Hemibrycon Günther (Teleostei: Characiformes: Characidae: Stevardiinae), with description of two new species." Neotropical Ichthyology 8, no. 4 (2010): 737–70. http://dx.doi.org/10.1590/s1679-62252010000400005.

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The species of Hemibrycon occurring in the east of the Andean Cordilleras are reviewed based on their type series and additional specimens. Nine species are redescribed: H. beni from río Beni basin, Bolivia; H. helleri from the upper rio Ucayali, Peru; H. huambonicus from the ríos Huallaga and Marañon basins, Peru; H. jeslkii from the upper portions of ríos Marañon, Ucayali and Madeira basins, Bolivia, Brazil, and Peru; H. metae from río Orinoco basin, Colombia and Venezuela, and Caribbean coastal basins of Venezuela; H. polyodon (type species) from río Pastaza basin, Ecuador; H. surinamensis
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4

Bertaco, Vinicius A., Luiz R. Malabarba, Max Hidalgo, and Hernán Ortega. "A new species of Hemibrycon (Teleostei: Characiformes: Characidae) from the río Ucayali drainage, Sierra del Divisor, Peru." Neotropical Ichthyology 5, no. 3 (2007): 251–57. http://dx.doi.org/10.1590/s1679-62252007000300003.

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A new characid species, Hemibrycon divisorensis, is described from the río Ucayali drainage, Loreto, Peru. The new species is distinguished from all Hemibrycon species by the presence of a wide black asymmetrical spot covering base of caudal-fin rays and extending along entire length of caudal-fin rays 9 to 12-13 (except from H. surinamensis), and a black band in the lower half of the caudal peduncle extending from the region above the last anal-fin rays to the caudal-fin base. Furthermore, it is distinguished from most species of the genus by the number of scale rows below the lateral line (4
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5

Valencia, César, Carlos Garcia-Alzate, Raquel Ruiz-C., and Donald Taphorn. "A new species of Hemibrycon (Teleostei: Characiformes: Characidae) from the Roble River, Alto Cauca, Colombia, with a key to species known from the Magdalena - Cauca River Basin." Vertebrate Zoology 60, no. 2 (2010): 99–105. http://dx.doi.org/10.3897/vz.60.e30996.

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A new species, Hemibrycon palomae, is described from the La Paloma and La Siria Creek, río Roble drainage, of the upper Cauca River Basin, Colombia. It differs from congeners in meristic characters. It also has two reddish spots located on both the dorsal and ventral margins of the caudal peduncle (vs. only one reddish spot on the ventral margin of the caudal peduncle). Ecological habitat data and an updated key to all Hemibrycon species known from the Magdalena-Cauca River Basin are also presented.
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Valencia, Cèsar, Carlos Garcia-Alzate, RAQUEL Ruiz-C, and Donald Taphorn. "A new species of Hemibrycon (Teleostei: Characiformes: Characidae) from the Roble River, Alto Cauca, Colombia, with a key to species known from the Magdalena - Cauca River Basin PDF." Vertebrate Zoology 60 (September 2, 2010): 99–105. https://doi.org/10.3897/vz.60.e30996.

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A new species, Hemibrycon palomae, is described from the La Paloma and La Siria Creek, río Roble drainage, of the upper Cauca River Basin, Colombia. It differs from congeners in meristic characters. It also has two reddish spots located on both the dorsal and ventral margins of the caudal peduncle (vs. only one reddish spot on the ventral margin of the caudal peduncle). Ecological habitat data and an updated key to all Hemibrycon species known from the Magdalena-Cauca River Basin are also presented.
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7

García-Alzate, Carlos A., César Román Valencia, and Donald C. Taphorn. "A new species of Hemibrycon (Characiformes: Characidae), a freshwater fish from the Sierra Nevada of Santa Marta, Caribbean drainage, Colombia." UNED Research Journal 7, no. 1 (2015): 89–97. http://dx.doi.org/10.22458/urj.v7i1.868.

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Hemibrycon is a group of freshwater characid fish species first recognized by Günther (1864) as a subgenus of Tetragonopterus, and now included in the subfamily Stevardiinae. There are 21 speciesrecorded from the rivers of Colombia, but only one species, H.santamartae, has been reported previously in drainages of the Sierra Nevada de Santa Marta. Hemibrycon sierraensis n. sp. is described fromthe Río Gaira, Caribbean coastal drainage. It is distinguished from all congeners by having in life a bright red adipose fin (vs. hyaline or transparent)that turns dark brown in specimens preserved in alc
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8

Valencia, C. Román, RI Ruiz C, AM Bastidas, and DC Taphorn. "Redescription of Hemibrycon jelskii, with comments on H. huambonicus, and description of five new species from the Amazon River basin (Characiformes: Characidae: Stevardiinae)." Journal of Aquaculture & Marine Biology 12, no. 3 (2023): 215–32. http://dx.doi.org/10.15406/jamb.2023.12.00377.

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We examined 407 specimens and images of Hemibrycon jelskii1 and H. huambonicus2 (31 types and 376 non-types) and analyzed them using four analytical approaches: (i) traditional morphometry, (ii) morpho-geometric analysis, (iii) comparison of meristics (scales and fin rays), and (iv) comparison of color and pigment patterns. Our study determined that only 18 individuals from the 28 type specimens have characters that correspond with the description of H. jelskii. Hemibrycon jelskii was described from specimens of unknown, possibly multiple origins, raised in aquaria by Konstanty Jelski. A high
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9

Román-Valencia, César, Raquel I. Ruiz-C, and Donald C. Taphorn B. "HEMIBRYCON GUEJARENSIS, A NEW SPECIES FROM THE GÜEJAR RIVER, ORINOCO BASIN, COLOMBIA (CHARACIFORMES: CHARACIDAE) WITH A REVIEW THE POPULATIONS IDENTIFIED AS HEMIBRYCON METAE." Revista de Investigaciones Universidad del Quindío 29, no. 1 (2017): 38–52. http://dx.doi.org/10.33975/riuq.vol29n1.13.

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Hemibrycon guejarensis, new species, is described from the Güejar River, La Macarena mountain range, upper Guaviare River drainage, Colombia. The new species is distinguished from most cis-Andean congeners (H. jabonero Lake Maracaibo and adjacent Caribbean drainages, H. metae which is found in the Guavio River, some Orinoco and Caribbean River drainages in Venezuela, and H. taeniurus from Trinidad and adjacent mainland drainages in Venezuela) in having ii, 7, i dorsal-fin rays (vs. ii, 8). H. guejarensis is further distinguished from H. taeniurus and H. jabonero, in having a wider second pigme
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Bertaco, Vinicius A., and Luiz R. Malabarba. "A review of the Cis-Andean species of Hemibrycon Günther (Teleostei: Characiformes: Characidae: Stevardiinae), with description of two new species." Neotropical Ichthyology 8, no. 4 (2010): 737. https://doi.org/10.1590/S1679-62252010000400005.

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Bertaco, Vinicius A., Malabarba, Luiz R. (2010): A review of the Cis-Andean species of Hemibrycon Günther (Teleostei: Characiformes: Characidae: Stevardiinae), with description of two new species. Neotropical Ichthyology 8 (4): 737, DOI: 10.1590/S1679-62252010000400005, URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252010000400005&lng=en&tlng=en
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11

Bertaco, Vinicius A., Luiz R. Malabarba, Max Hidalgo, and Hernán Ortega. "A new species of Hemibrycon (Teleostei: Characiformes: Characidae) from the río Ucayali drainage, Sierra del Divisor, Peru." Neotropical Ichthyology 5, no. 3 (2007): 251–57. https://doi.org/10.1590/S1679-62252007000300003.

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Bertaco, Vinicius A., Malabarba, Luiz R., Hidalgo, Max, Ortega, Hernán (2007): A new species of Hemibrycon (Teleostei: Characiformes: Characidae) from the río Ucayali drainage, Sierra del Divisor, Peru. Neotropical Ichthyology 5 (3): 251-257, DOI: 10.1590/S1679-62252007000300003, URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252007000300003&lng=en&tlng=en
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12

Román-Valencia, César, Raquel I. Ruíz C., and Ramiro Barriga. "Una nueva especie de pez del género Hemibrycon (Characiformes: Characidae)." Revista de Biología Tropical 54, no. 1 (2014): 209. http://dx.doi.org/10.15517/rbt.v54i1.13997.

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13

Román-Valencia, C., and D. K. Arcila-Mesa. "Hemibrycon rafaelense n. sp. (Characiformes, Characidae), a new species from the upper Cauca River, with keys to Colombian species." Animal Biodiversity and Conservation 31, no. 1 (2008): 67–75. http://dx.doi.org/10.32800/abc.2008.31.0067.

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A new fish species of Hemibrycon is described from the San Rafael River, upper Cauca River, Colombia. H. rafaelense canbe distinguished from other species of the genus by the number of cusps on the teeth in the internal premaxilla row (3-5 vs. 5-7 except H. surinamensis), by the number of predorsal scales (10-12 vs. 12-17, except H. jelskii and H. orcesi), and by poscleithrum 1 (much closer to postcleithrum 2 vs. postcleithrum 1 and 2 clearly separated). Ecological data of the aquatic habitat of the new taxon are presented and keys to help identify known Colombian species are included.
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14

Román-P., Cristian, César Román-Valencia, and Donald C. Taphorn. "TROPHIC AND REPRODUCTIVE ECOLOGY OF A NEOTROPICAL CHARACID FISH HEMIBRYCON BREVISPINI (TELEOSTEI: CHARACIFORMES)." Caldasia 36, no. 2 (2015): 289–304. http://dx.doi.org/10.15446/caldasia.v36n2.47487.

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15

Román-valencia, César, Raquel I. Ruiz-C., Carlos A. García-alzate, and Donald C. Taphorn. "Hemibrycon santamartae: a new species from the Rancheria river of eastern Caribbean Colombia (Characiformes: Characidae)." Revista de Investigaciones Universidad del Quindío 19, no. 1 (2009): 144–50. http://dx.doi.org/10.33975/riuq.vol19n1.782.

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Based on 69 specimens, using morphometric, meristic and osteological characters, we describe a new species of Hemibrycon from the Rancheria River, a Caribbean coastal drainage of eastern Colombia that drains the Sierra Nevada de Santa Marta. H. santamartae is distinguished from congeners by the following: presence of small hooks on the first six to eight branched analfin rays of males, with two to four hooks on only the middle sections of the rays; adipose fin pigmented but with hyaline margins; an apophysis present on the dorsal margin of the rhinosphenoids that is directed toward the anterio
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16

Hoshino, Maria Danielle Figueiredo Guimarães, Érico Melo Hoshino, and Marcos Tavares-Dias. "First study on parasites of Hemibrycon surinamensis (Characidae), a host from the eastern Amazon region." Revista Brasileira de Parasitologia Veterinária 23, no. 3 (2014): 343–47. http://dx.doi.org/10.1590/s1984-29612014069.

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This study was the first investigation of communities and infracommunities of parasites of Hemibrycon surinamensis. All the fish collected in a tributary of the Amazon river were parasitized by one or more parasite species. The Brillouin diversity index (HB) was 0.46 ± 0.28 and the mean species richness was 3.5 ± 1.2 parasites per host. A total of 14,734 parasites were collected, including Ichthyophthirius multifiliis and Piscinoodinium pillulare (Protozoa); Jainus hexops and Tereancistrum sp. (Monogenoidea); Ergasilus turucuyus and Argulus sp. (Crustacea); metacercariae of Derogenidae gen. sp
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17

Román-Valencia, Cèsar, Raquel I. Ruiz-C., Donald C. Taphorn, and Carlos A. García-Alzate. "A new species of Hemibrycon (Characiformes, Characidae) from the upper San Juan River drainage, Pacific versant, Colombia." ZooKeys 454 (November 14, 2014): 109–25. http://dx.doi.org/10.3897/zookeys.454.6954.

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18

Román-Valencia, Cèsar, Raquel I. Ruiz-C., Donald C. Taphorn, and Carlos A. García-Alzate. "A new species of Hemibrycon (Characiformes, Characidae) from the upper San Juan River drainage, Pacific versant, Colombia." ZooKeys 454 (November 14, 2014): 109–25. https://doi.org/10.3897/zookeys.454.6954.

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Hemibrycon sanjuanensis, new species, is described from the upper San Juan River drainage, Pacific versant, Colombia. It is distinguished from H. boquiae, H. brevispini, H. cairoense, H. colombianus, H. mikrostiktos, H. metae, H. palomae, H. rafaelense and H. tridens by the presence of a circular or oblong humeral spot that is located two scales posterior to the opercle (vs. 3–4 scales in H. palomae, H. rafaelense, H. brevispini and H. cairoense, and 0–1 scales, in H. metae and H. boquiae). It further differs from H. colombianus in having a round or oblong humeral spot (vs. rectangular). It di
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19

Baicere-Silva, Clarianna Martins, Katiane M. Ferreira, Luiz R. Malabarba, Ricardo C. Benine, and Irani Quagio-Grassiotto. "Spermatic characteristics and sperm evolution on the subfamily Stevardiinae (Ostariophysi: Characiformes: Characidae)." Neotropical Ichthyology 9, no. 2 (2011): 377–92. http://dx.doi.org/10.1590/s1679-62252011005000014.

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The monophyly and phylogenetic relationships among the members of Clade A characids (sensu Malabarba & Weitzman), later redefined and named as the Stevardiinae (sensu Mirande), have been primarily supported by traditional morphological and molecular data. Herein were examined, described and compared spermiogenesis and sperm ultrastructure of 12 species of the genera Boehlkea, Bryconacidnus, Bryconamericus, Creagrutus, Cyanocharax, Hemibrycon, Knodus, Odontostoechus, Piabina, and Rhinobrycon in order to evaluate possible phylogenetic signals and their potential use in recovering relationshi
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Chuctaya, Junior, Vanessa Meza-Vargas, Dario R. Faustino-Fuster, Max Hidalgo, and Hernán Ortega. "Lista de especies de peces de la cuenca del Río Ucayali, Perú." Revista Peruana de Biología 29, no. 4 (2022): e20049. http://dx.doi.org/10.15381/rpb.v29i4.20049.

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En este trabajo se presenta una lista actualizada de los registros de especies de peces de la cuenca del río Ucayali, Perú, provenientes de datos publicados y no publicados. Los resultados muestran que la cuenca del Ucayali presenta una ictiofauna rica y diversificada con el registro de 734 especies distribuidas en 15 órdenes, 49 familias y 292 géneros. La Ictiofauna está compuesta por peces miniatura (4%), peces pequeños (39%), medianos (41%), grandes (13%) y gigantes (3%). Los grupos dominantes son los Characiformes (312 especies, 43.0 %), Siluriformes (270 especies, 36.8%), Gymnotiformes (5
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de Melo Hoshino, Érico, and Marcos Tavares-Dias. "Interannual and Seasonal Variation in Protozoan and Metazoan Parasite Communities of Hemibrycon surinamensis, a Characid Fish Inhabiting the Brazilian Amazon." Acta Parasitologica 64, no. 3 (2019): 479–88. http://dx.doi.org/10.2478/s11686-019-00057-5.

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22

Ibarra-Trujillo, Eduardo J., and Carlos A. García-Alzate. "Ecología trófica y reproductiva de Hemibrycon sierraensis (Characiformes: Characidae) pez endémico del río Gaira, Sierra Nevada de Santa Marta, Colombia." Revista de Biología Tropical 65, no. 3 (2017): 1033. http://dx.doi.org/10.15517/rbt.v65i3.29439.

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The study of feeding habits in fishes can give important information about their role in the fish community, their functional role in the ecosystem, and their relationships with all available resources. We studied H. sierraensis from Gaira River and performed eight bi-monthly samples between May 2014 and November 2015. We analyzed fish stomach contents by the numerical (% N), volume (% V) and frequency of occurrence (% FO) methods; we also calculated the index of food importance (IA), coefficient of emptiness (CV), trophic niche breadth (used H ') and condition factor (K). Additionally, we det
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23

Román Valencia, César, and Alvaro Bottero. "Trophic and reproductive ecology of a species of Hemibrycon (Pisces: Characidae) in Tinajas creek, Quindío River drainage, upper Cauca basin, Colombia." Revista del Museo Argentino de Ciencias Naturales 8 (2006): 1–8. http://dx.doi.org/10.22179/revmacn.8.359.

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24

Martínez-Toro, Lina María, Daniel Restrepo-Santamaría, Daniel Valencia-Rodríguez, and Luz Fernanda Jiménez-Segura. "Ensamblajes de peces en embalses altoandinos: El caso de los embalses Quebradona y Riogrande II en la cuenca Magdalena." Caldasia 44, no. 2 (2022): 442–52. http://dx.doi.org/10.15446/caldasia.v44n2.93495.

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El desarrollo de producción hidro-energética al norte de los Andes de Sudamérica se ha centrado en la cuenca Magdalena. Para esta cuenca se reporta que el 68 % de las especies de peces son endémicas y no se han estudiado los efectos que producen estas estructuras sobre sus ensamblajes en los ríos de alta montaña. Este trabajo responde preguntas asociadas a las características que describen el ensamblaje de peces y la influencia que ejercen algunas variables ambientales sobre su distribución en el transcurso de los periodos hidrológicos de sequía y lluvias en el área de influencia de dos embals
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Escobar Cardona, Jorge Luis, Luz Fernanda Jiménez Segura, and Andres Felipe Galeano Moreno. "Parámetros de crecimiento y reclutamiento de algunas especies de peces en embalses andinos, con comentarios sobre sus rasgos de historia de vida." Revista de Biología Tropical 73, no. 1 (2025): e57525. https://doi.org/10.15517/rev.biol.trop..v73i1.57525.

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Introducción: La formación de nuevos antromas como embalses y represas destinadas a la generación de energía para el consumo humano, provee nuevos escenarios ambientales que condicionan la supervivencia de las especies de peces pre-existentes en el sistema modificado. Objetivo: Estimar algunos de los principales atributos poblacionales en relación con el crecimiento y el reclutamiento discutidos en el contexto de las historias de vida (HV) de las especies analizadas. Métodos: Con base en la secuencia histórica (2005-2017) para las siete especies con mayor registro numérico y de las distribucio
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Román-Valencia, César, Dahiana K. Arcila-Mesa, and Hernando Hurtado T. "Variación morfológica de los peces Hemibrycon boquiae y Hemibrycon rafaelense (Characiformes: Characidae) en el Río Cauca, Colombia." Revista de Biología Tropical 57, no. 3 (2008). http://dx.doi.org/10.15517/rbt.v57i3.5474.

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Román-Valencia, César, and Dahiana K. Arcila-Mesa. "Five new species of Hemibrycon (Characiformes: Characidae) from the Río Magdalena basin, Colombia." Revista de Biología Tropical 58, no. 1 (2009). http://dx.doi.org/10.15517/rbt.v58i1.5214.

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Román Valencia, César, Raquel I. Ruiz C., Donald C. Taphorn, Néstor J. Mancera Rodriguez, and Carlos A. García Alzate. "Tres nuevas especies de Hemibrycon (Characiformes: Characidae) de la cuenca del río Magdalena, Colombia." Revista de Biología Tropical 61, no. 3 (2013). http://dx.doi.org/10.15517/rbt.v61i3.11965.

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SOUSA, BRIANI O., MARCOS S. B. OLIVEIRA, and TAVARES-DIAS MARCOS. "Community structure of metazoan parasites in Hemibrycon surinamensis (Characidae) from the Matapi River in the State of Amapá, Brazil." Anais da Academia Brasileira de Ciências 91, no. 2 (2019). http://dx.doi.org/10.1590/0001-3765201920180393.

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Román Valencia, César, Raquel Ruiz, and Alejandro Giraldo. "Diet and reproduction of two syntopic species, Hemibrycon boquiae and Bryconamericus caucanus (Pisces, Characidae) the Boquia gault, Quindio river, Alto Cauca, Colombia." Revista del Museo Argentino de Ciencias Naturales, 2008, 55–62. http://dx.doi.org/10.22179/revmacn.10.292.

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