Fishes from the Jaru Biological Reserve, Machado River drainage, Madeira River basin, Rondônia State, northern Brazil

Costa, Igor David da; Ohara, Willian Massaharu; Almeida, Missilene Silva De

doi:10.1590/1676-0611-bn-2016-0315

Cited by 12 publications

(18 citation statements)

References 35 publications

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“…The Jamari River presented high species richness (230) compared to the other tributaries of Madeira River in which studies were carried out. Among them, 48 in streams of the urban region of Rondônia (Perin 2007), 133 in the preservation area of Marmelos River (Camargo & Giarrizzo 2007) (Pedroza et al 2012), 189 in Cuniã Lake (Queiroz et al 2013b), 40 in streams of the Machado River basin (Casatti et al 2013) and 74 species in Tarumã River, also belonging to the Machado River basin (Costa et al 2017). Richness varies depending on the size and age of the reservoir and on the sampled basin, where the river basins of the Amazon region are richer when compared to others in the Neotropical region (Agostinho et al 2016).…”

Section: Resultsmentioning

confidence: 99%

Checklist of the fishes from Jamari River basin, in areas under influence of dams, Rondônia, Brazil

et al. 2020

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The Madeira River is the most extensive tributary of the Amazon River and has the largest diversity of fishes in the world. On its right bank, the Madeira River receives the Jamari River, in which the first hydroelectric power plant (HPP) in State of Rondônia, Samuel HPP, was built. Besides this, other dams were built in the Jamari River and its tributaries, however, the available information in the scientific literature about the ichthyofaunistic diversity of this basin is rare. This work aims to provide an ichthyofaunistic inventory in a region of the Jamari river basin, in the State of Rondônia, where three small hydropower plants (SHPs) were implemented. The ichthyofauna was sampled in 16 expeditions between August 2015 and December 2018. Gill nets and seine nets were used with different meshes, as well as longlines and cast nets at different times of the day. Additionally, 81 INPA lots of species from the Samuel HPP area of influence were reanalyzed. Fish were identified according to the specialized literature, as well as in consultations with experts of various taxonomic groups. Voucher specimens of the species were cataloged and deposited in the ichthyological collection of the Núcleo de Pesquisas em Limnologia, Ictiologia e Aquicultura (Nupélia) of the Universidade Estadual de Maringá. A total of 230 species were recorded, of which 22 were putative new species, 117 were added to the Jamari River basin and 28 to the Madeira River basin. The continuation of the studies in this section of the Jamari river basin is fundamental for analysis of local impact due to the presence of dams. Moreover, the addition of putative new species to the Madeira River basin indicates gaps in the knowledge of Neotropical ichthyofauna. Lista das espécies de peixes da bacia do rio Jamari, em áreas sob influência de reservatórios, Rondônia, BrasilResumo: O rio Madeira é o mais extenso afluente do rio Amazonas e possui a maior biodiversidade de peixes do mundo. Em sua margem direita, o rio Madeira recebe o rio Jamari, no qual foi construída a primeira usina hidrelétrica (UHE) do estado de Rondônia, a UHE Samuel. Além desta, outros barramentos foram construídos no rio Jamari e em seus afluentes, contudo são raras as informações disponíveis na literatura científica sobre a diversidade ictiofaunística desta bacia. O objetivo deste trabalho foi providenciar um inventário ictiofaunístico na região da bacia do rio Jamari, no estado de Rondônia, onde foram implantadas três pequenas centrais hidrelétricas (PCHs). A ictiofauna foi amostrada em 16 expedições entre os meses de agosto de 2015 e dezembro de 2018. Foram utilizadas redes de espera e arrasto com malhas de diversos tamanhos, além de espinhéis e tarrafas em diferentes períodos do dia. Adicionalmente, 81 lotes de espécies do INPA da área de influência da UHE Samuel foram reanalisados. Os peixes foram identificados de acordo com a literatura especializada, bem como em consultas com especialistas de diversos grupos taxonômicos. Exemplares testemunho das espécies foram catalogados e dep...

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Section: Resultsmentioning

confidence: 99%

Checklist of the fishes from Jamari River basin, in areas under influence of dams, Rondônia, Brazil

et al. 2020

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“…obs.). Despite intensive and broad collecting efforts in the Rio Madeira basin (Santos, ; Camargo & Giarrizzo, ; Rapp Py‐Daniel et al ., ; Perin et al ., ; Araújo et al ., ; Torrente‐Vilara et al ., ; Pedroza et al ., ; Queiroz et al ., ,b; Casatti et al ., ; Vieira et al ., ; Costa et al ., ), H. platyodus was only collected in the Rio Juma, upstream of the Paredão Waterfall. Furthermore, surveys conducted in the upper Rio Aripuanã, near the town of Aripuanã since 1976 by various ichthyologists from several institutions (INPA, MNRJ, MZUSP and UFRO) and expeditions in the lower Rio Aripuanã (Rapp Py‐Daniel et al ., ; Queiroz et al ., ) failed to detect H. platyodus in localities other than the type locality.…”

Section: Discussionmentioning

confidence: 99%

Hyphessobrycon platyodus (Teleostei: Characiformes), a new species from the Rio Madeira basin, Brazil, with comments on how multicuspid teeth relate to feeding habits in Characidae

Ohara

Abrahão

Espíndola

2017

Journal of Fish Biology

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A new species of Hyphessobrycon is described from the Rio Juma, a tributary of the lower Rio Aripuanã-Rio Madeira basin, Amazonas, Brazil. Hyphessobrycon platyodus can be distinguished from its congeners by the: presence of an elongated dorsal fin in adult males, 25-28 branched anal-fin rays and absence of dark blotches from the dorsal fin and caudal peduncle. The presence of multicuspid teeth in species of Characidae and its relation with feeding habits are briefly commented on.

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“…Most studies of the Amazonian ichthyofaunal diversity have concentrated in the floodplains adjacent to large rivers and next to urban areas, but there are few reports in areas of high conservation value (Costa et al, 2017). Ichthyological surveys assess the biodiversity of water bodies (Silveira et al, 2010), resulting in new discoveries of undescribed species (Frota et al, 2016) and basis for conservation actions .…”

Section: Introductionmentioning

confidence: 99%

Survey of fish species from the Lower Roosevelt River, Southwestern Amazon basin

et al. 2019

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This study presents an inventory of the ichthyofauna of the lower Roosevelt River sub-basin and its associated tributaries. Fish sampling with fishing nets and measurements of environmental parameters of water occurred in November/2012 (rising water), February/2013 (flooding), May/2013 (falling water) and August/2013 (drought). Depth mean was 8.86 m, water transparency was 0.6 m, conductivity was 22.7 µS.cm-1, pH was 6.59, dissolved oxygen was 7.63 mg.l-1 and temperature was 28°C. The total estimated capture area was 68,829.6 m2 during 2,880 hours. The catch per unit Effort (CPUE) was 0.37 individuals m-2.day-1. Species were spatially aggregated in all sampling points and river water levels. A total of 5,183 individuals distributed in 7 orders, 29 families, 104 genders and 188 species were sampled in this survey. The diversity index was 4.121 and equitability index was 0.789. The Characiforms order was the most abundant with 106 species, followed by Siluriforms with 63 species and Cichliforms with 23 species. The most abundant species was Serrasalmus rhombeus (Linnaeus, 1766) with 327 individuals (5.9%), followed by Chalceus epakros (Cope, 1870) with 309 individuals (5.6%) and Acestrorhynchus microlepis (Schomburgk, 1841) with 250 individuals (4.5%). Trophicity was characterized by omnivorous (28.6%), piscivorous (14.3%), carnivorous (13.8%) and detritivorous (12.8%). According to IBAMA's regulation, 29.25% of captured species presents ornamental potential.

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Fishes from the Jaru Biological Reserve, Machado River drainage, Madeira River basin, Rondônia State, northern Brazil

Cited by 12 publications

References 35 publications

Checklist of the fishes from Jamari River basin, in areas under influence of dams, Rondônia, Brazil

Checklist of the fishes from Jamari River basin, in areas under influence of dams, Rondônia, Brazil

Hyphessobrycon platyodus (Teleostei: Characiformes), a new species from the Rio Madeira basin, Brazil, with comments on how multicuspid teeth relate to feeding habits in Characidae

Survey of fish species from the Lower Roosevelt River, Southwestern Amazon basin

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