The stream fish fauna from the rio Machado basin, Rondônia State, Brazil

The rio Machado (also known as Ji-Paraná) is a tributary of the rio Madeira in the Amazon basin. Currently, the rio Madeira contains the greatest fish species richness of the world, with approximately 1,000 species. The present study presents the fish inventory from streams of the rio Machado basin. In total, 75 stream reaches, 80 meter-length, randomly selected, were sampled in 2011 (August to October) and 2012 (June to July). Overall, 22,875 fish in eight orders, 32 families, 89 genera, and 140 species were collected. Richness estimators indicate that almost 90% of the expected richness was registered. The great majority of specimens (52.2%) was represented by small sized piabas such as Serrapinnus aff. notomelas, Moenkhausia collettii, Serrapinnus microdon, and Hemigrammus melanochrous. Of the total richness, 25 species were restricted to 9°00’ S and 10°00’ S; among them, 14 were exclusive to the lower portion of the basin, which exhibits the larger proportion of native vegetation covering.

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Second floor, please: the fish fauna of floating litter banks in Amazonian streams and rivers

Neotropical Ichthyology ◽

10.1590/s1679-62252013000100010 ◽

2013 ◽

Vol 11 (1) ◽

pp. 85-94 ◽

Cited By ~ 5

Author(s):

Lucelia Nobre Carvalho ◽

Luana Fidelis ◽

Rafael Arruda ◽

Andre Galuch ◽

Jansen Zuanon

Keyword(s):

Species Richness ◽

Fish Assemblage ◽

Amazon Basin ◽

Stream Water ◽

Fish Fauna ◽

Assemblage Composition ◽

Plant Matter ◽

Carnivorous Species ◽

Ephemeral Habitat ◽

Dead Plant

Floating litter banks are an ephemeral habitat consisting of branches, twigs, flowers, seeds, and fruits that are trapped on the stream water surface by a variety of retention mechanisms. These heterogeneous materials form a deep layer of dead plant matter that is colonized by a variety of organisms, including fish that forage on the aquatic macroinvertebrates found in this unique habitat. In this study, we aimed to characterize which fish species occupy the floating litter banks and their trophic characteristics, as well as determine if fish assemblage composition and species richness can be predicted by the size of the floating litter banks. Fish sampling was conducted in five rivers located in the Amazon basin. Of the 31 floating litter banks sampled that contained fish, 455 individuals were recorded and were distributed within 40 species, 15 families and five orders. Siluriformes were the most representative order among the samples and contained the largest number of families and species. The fish fauna sampled was mainly composed of carnivorous species that are typically found in submerged litter banks of Amazonian streams. The fish assemblage composition in the kinon can be predicted by the volume of the floating litter banks using both presence/absence and abundance data, but not its species richness. In conclusion, kinon banks harbor a rich fish assemblage that utilizes this habitat for shelter and feeding, and may function as a refuge for the fishes during the peak of the flooding season.

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Fish fauna of small streams of the Catua-Ipixuna Extractive Reserve, state of Amazonas, Brazil

Check List ◽

10.15560/5.2.154 ◽

2009 ◽

Vol 5 (2) ◽

pp. 154 ◽

Cited By ~ 4

Author(s):

Renildo Ribeiro de Oliveira ◽

Marcelo Salles Rocha ◽

Maeda Batista dos Anjos ◽

Jansen Zuanon ◽

Lúcia H. Rapp Py-Daniel

Keyword(s):

Species Richness ◽

Fish Species ◽

Fish Fauna ◽

Conservation Unit ◽

Extractive Reserve ◽

Small Streams ◽

Total Fish ◽

Amazonas State ◽

Solimões River ◽

Hydrographic Network

This study was conducted in an Amazonas state conservation unit, the Catuá-Ipixuna Extractive Reserve (Catuá-Ipixuna RESEX). The main purpose was to provide an ichthyological survey of its small streams, all them tributaries of the Solimões River. Nine small streams (up to 4 m width and 1 m depth) were sampled in September 2006. A total of 1,525 specimens were captured, belonging to 78 species, 24 families and eight orders. Eight species had higher abundances and represented altogether 61.4 % of all collected specimens (Hemigrammus belotii, Microphilypnus amazonicus, Physopyxis ananas, Apistogramma agassizii, Elachocharax pulcher, Apistogramma cf. cruzi, Gladioglanis conquistador and Copella nigrofasciata). Based on the high number of singletons and doubletons present in our samples, as well as the estimated number of species for those streams (106 spp.), we believe that the total fish species richness present in the Catuá-Ipixuna Extractive Reserve may be considerably higher than indicated by our samples. This seems especially true when considering the dimensions of the Catuá-Ipixuna RESEX and the dense hydrographic network present in the area.

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Historical Changes in Large River Fish Assemblages of the Americas

Historical Changes in Large River Fish Assemblages of the Americas ◽

10.47886/9781888569728.ch28 ◽

2005 ◽

Keyword(s):

Fish Species ◽

Fish Assemblages ◽

Sewage Treatment ◽

Fish Fauna ◽

Large River ◽

Water Volume ◽

Mean Width ◽

Minas Gerais State ◽

The World ◽

Annual Discharge

Abstract.—The Rio das Velhas is a tributary of the Rio São Francisco, one of Brazil’s largest rivers. It is the Rio São Francisco’s second most important tributary in water volume (mean annual discharge of 631 m3/s), with a drainage area of 27,867 km2, length of 761 km, and mean width of 38 m. Like many other rivers around the world, it became heavily polluted in the 1900s. The Rio das Velhas is the most polluted river of Minas Gerais state because the basin contains approximately 4.5 million people. Unlike other Brazilian rivers, its fish fauna was studied from 1850 to 1856. Fifty-five fish species were recorded; 20 of them were first described at that time, when there were previously no more than 40 known species in the entire São Francisco basin. Recent fish collections, approximately 150 years later, indicate 107 fish species, but some may be locally extinct. There are good prospects of rehabilitating this fauna because of the connectivity of the Rio das Velhas with the São Francisco main stem, its well-preserved tributaries, and increased investments in sewage treatment.

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Surface water connectivity affects lake and stream fish species richness and composition

Canadian Journal of Fisheries and Aquatic Sciences ◽

10.1139/cjfas-2020-0090 ◽

2020 ◽

Author(s):

Katelyn B.S. King ◽

Mary Tate Bremigan ◽

Dana M Infante ◽

Kendra Spence Cheruvelil

Keyword(s):

Species Richness ◽

Surface Water ◽

Species Diversity ◽

Fish Species ◽

Spatial Scales ◽

Fish Communities ◽

Integrated Approach ◽

Stream Fish ◽

Recreational Resources ◽

Fish Species Diversity

Stream and lake fishes are important economic and recreational resources that respond to alterations in their surrounding watersheds and serve as indicators of ecological stressors on aquatic ecosystems. Research suggests that fish species diversity is largely influenced by surface water connectivity, or the lack thereof; however, few studies consider freshwater connections and their effect on both lake and stream fish communities across broad spatial extents. We used fish data from 559 lakes and 854 streams from the midwestern/northeastern United States to examine the role of surface water connectivity on fish species richness and community composition. We found that although lakes and streams share many species, connectivity had a positive effect on species richness across lakes and streams and helped explain species composition. Taking an integrated approach that includes both lake and stream fish communities and connectivity among freshwaters helps inform scientific understanding of what drives variation in fish species diversity at broad spatial scales and can help managers who are faced with planning for state, regional, or national scale monitoring and restoration.

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Birds of the Parque Ecológico Lagoa da Fazenda, Sobral, Ceará state, northeastern Brazil

Check List ◽

10.15560/13.1.2037 ◽

2017 ◽

Vol 13 (1) ◽

pp. 2037

Author(s):

Ana Carolina Brasileiro ◽

Frede Lima-Araujo ◽

Jamile Aragão Alcântara ◽

Alano Sousa Martins Pontes ◽

José André Neto ◽

...

Keyword(s):

Species Richness ◽

Urban Expansion ◽

Bird Species ◽

Northeastern Brazil ◽

Urban Park ◽

Native Vegetation ◽

Natural Areas ◽

Local Species Richness ◽

Local Species ◽

Richness Estimators

Natural areas within cities are important as they contribute to maintain biodiversity and the functioning of ecosystems. In Ceará state, inventories of birds in human-impacted areas are still scarce. Here, we inventory bird species and estimate the species richness at Parque Ecológico Lagoa da Fazenda, an urban park in the municipality of Sobral, in northeastern Brazil. We found 82 bird species, of which 16 breed in the area, three are endemics, and three others are introduced. Despite the moderate species richness detected, richness estimators revealed that sampling was sufficient to detect most species. To maintain or even increase local species richness, we suggest the cessation of urban expansion within the park, sewage dumping, and filling of the wetland, as well as further planting of native vegetation.

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Efficacy of two-pass electrofishing employing multiple units to assess stream fish species richness

Fisheries Research ◽

10.1016/j.fishres.2006.09.001 ◽

2006 ◽

Vol 82 (1-3) ◽

pp. 14-18 ◽

Cited By ~ 15

Author(s):

William G. Kimmel ◽

David G. Argent

Keyword(s):

Species Richness ◽

Fish Species ◽

Stream Fish ◽

Multiple Units

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Fishes from the Itapecuru River basin, State of Maranhão, northeast Brazil

Brazilian Journal of Biology ◽

10.1590/s1519-69842011000300006 ◽

2011 ◽

Vol 71 (2) ◽

pp. 375-380 ◽

Cited By ~ 11

Author(s):

MC Barros ◽

EC Fraga ◽

JLO Birindelli

Keyword(s):

River Basin ◽

Fish Species ◽

Amazon Basin ◽

Fish Fauna ◽

Large River ◽

Northeastern Brazil ◽

South American ◽

Northeast Brazil ◽

Number Of Species ◽

Brazilian State

The Itapecuru is a relatively large river in the northeastern Brazilian state of Maranhão. During several expeditions to this basin, we collected 69 fish species belonging to 65 genera, 29 families and 10 orders. Characiformes and Siluriformes were the orders with the largest number of species and Characidae, Loricariidae, Cichlidae, Auchenipteridae and Pimelodidae were the richest families. About 30% of the fish fauna of the Itapecuru basin is endemic or restricted to northeastern Brazil. Just over a fifth (22%) of the species is also known to occur in the Amazon basin and only a few are more widely distributed in South American.

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Headwater stream fish fauna from the Upper Paranapanema River basin

Biota Neotropica ◽

10.1590/1676-0611-bn-2015-0145 ◽

2016 ◽

Vol 16 (3) ◽

Cited By ~ 6

Author(s):

Mauricio Cetra ◽

George Mendes Taliaferro Mattox ◽

Fabio Cop Ferreira ◽

Rayssa Bernardi Guinato ◽

Fernando Vieira Silva ◽

...

Keyword(s):

River Basin ◽

Fish Species ◽

Fish Communities ◽

Fish Fauna ◽

Dry Season ◽

Headwater Stream ◽

Paraná River ◽

Stream Fish ◽

Parana River ◽

Paraná River Basin

Abstract The Paraná River basin has about 600 fish species. In the Upper Paraná, 310 fish species were recorded, with 52 species were registered in the streams and headwaters of the Paranapanema River. The aim of this study was to characterize the stream fish communities in the Upper Paranapanema River basin. Samplings were conducted with electrofishing during the dry season in the year of 2014. The collection effort consisted of 30 streams stretches. As a result, 41 species of stream fish were recorded in the Upper Paranapanema River basin, distributed in 26 genera, 11 families and 7 orders. Thirty-nine percent of the species can be considered rare, 41% intermediate and 20% common. We captured approximately eight species by stream stretch and the estimated richness (Schao2) was 40 ± 6 species. Around 40% of the individuals had less than 50 mm in length.

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Exotic and invasive fishes in Mexico

Check List ◽

10.15560/11.3.1627 ◽

2015 ◽

Vol 11 (3) ◽

pp. 1627 ◽

Cited By ~ 8

Author(s):

Hector Espinosa Perez ◽

Montserrat Ramírez H.

Keyword(s):

Fish Species ◽

Fish Fauna ◽

Aquatic Systems ◽

Current Status ◽

Electronic Database ◽

Exotic Fish ◽

High Importance ◽

Invasive Fishes ◽

The World ◽

Exotic Fish Species

This paper presents a list of the exotic fish species introduced in Mexican aquatic systems. This list is the result of the systematized information contained in several databases of ichthyological collections around the world and different publications. A total of 104 species were found, distributed in 19 families and 51 genera. The most species-rich were Cyprinidae with 22 species, Poeciliidae (19 species), Cichlidae (15 species) and Centrarchidae (13 species). A map and an electronic database were created based on the knowledge of the species, showing the known introductions of exotic fishes in the country. The information was obtained from a database stored in the Colección Nacional de Peces IBUNAM, which can be accessed online. This study has a high importance for the knowledge of the exotic fish fauna of Mexico and its current status.

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