Results 31 to 40 of about 1,833 (196)
Acta Scientiarum: Biological Sciences, 2009 Feeding strategy and mouth morphology of ‘jundiá’ in costal lagoons of south of Rio Grande do Sul were studied. Gut contend of 189 individuals were collected from 2002 to 2004 and analysed according Amundsen. Fishes and crustaceans were the feeding items
Marlise de Azevedo Bemvenuti +2 more
doaj +1 more source
Biochemical parameters of silver catfish (Rhamdia quelen) after transport with eugenol or essential oil of Lippia alba added to the water [PDF]
, 2017 The transport of live fish is a routine practice in aquaculture and constitutes a considerable source of stress to the animals. The addition of anesthetic to the water used for fish transport can prevent or mitigate the deleterious effects of transport ...
A. G. Becker +50 more
core +2 more sources
Occurrence of natural triploidy in Rhamdia quelen (Siluriformes, Heptapteridae)
Genetics and Molecular Research, 2010 Five specimens of Rhamdia quelen collected from the Lindóia Stream, PR, Brazil, were cytogenetically analyzed. The diploid chromosome number found was 58, including 30 metacentric, 16 submetacentric, 10 subtelocentric, and 2 acrocentric chromosomes. Supernumerary or B chromosomes, frequently observed in this fish group, were not detected.
J R, Tsuda +3 more
openaire +2 more sources
Ictiofauna epígea e subterrânea na área cárstica da Serra do Ramalho, nordeste brasileiro, com listas de peixes troglóbios e troglófilos no Brasil [PDF]
, 2008 After an ichthyofaunistic survey in several epigean (surface) water bodies of the Serra do Ramalho, southern Bahia, conducted in May 2007, 44 species were recorded; in addition, three non-troglomorphic (normally eyed and pigmented) and two troglomorphic ...
BICHUETTE, Maria Elina +3 more
core +1 more source
Biota Colombiana, 2014 In Colombia a dam, Betania Reservoir, has been constructed on the main cannel of the Magdalena River, and another, the El Quimbo Hydroelectric Project which is located upstream of the first, is under construction. The dams not only generate fragmentation
Francisco Antonio Villa-Navarro +9 more
doaj +3 more sources
Diversity and distribution of ichthyofauna in streams of the middle and lower Tibagi river basin, Paraná, Brazil [PDF]
Check List, 2018 This study investigates the distribution and structure of the assemblages of fishes in tributaries of middle and lower sections of Tibagi river basin.
Alexander Claro-García +2 more
doaj +3 more sources
Fish, Marmelos Conservation Area (BX044), Madeira River basin, states of Amazonas and Rondônia, Brazil. [PDF]
, 2007 The present study provides a species list of fish from the Marmelos River Area – BX044 in the states ofAmazonas and Rondônia in northern Brazil. During a Rapid Ecological Assessment (REA) performed in October andNovember of 2003, 133 fish species from ...
Camargo, M., Giarrizzo, T.
core +1 more source
Boletim do Instituto de Pesca, 2016 The lengthí weight relationships (LWR) of 29 teleost fish species from the shallow estuarine environments of the Samborombón Bay wetland (Río de la Plata, Argentina) were estimated.
Agustín SOLARI +4 more
doaj +1 more source
Acta Scientiarum: Biological Sciences, 2009 Aphanoblastella juizforense sp. nov. is described in the gills of the heptapterid fish Rhamdia quelen (Quoy et Gaimard, 1824) from the Paraibuna River, Juiz de Fora, Minas Gerais State, Brazil.
Adriano Reder de Carvalho +2 more
doaj +1 more source
Neotropical IchthyologyThe data obtained in the present study on spermiogenesis and spermatozoal ultrastructure of Pseudopimelodidae and Heptapteridae show that they share some characteristics, but greatly differ from each other. The main differences are the occurrence of type
Irani Quagio-Grassiotto +3 more
doaj +1 more source