Results 81 to 90 of about 5,077 (209)

Statistical distribution models for migratory fish in Jacuí basin, South Brazil

open access: yesNeotropical Ichthyology
The aim of the present study was to identify the distribution patterns of migratory fishes in the Jacuí river basin (Rio Grande do Sul, South Brazil), proposing a statistical model of presumed distribution based on geomorphologic environmental data ...
Thaís P. Alves, Nelson F. Fontoura
doaj   +1 more source

The fish fauna of the Iwokrama Forest [PDF]

open access: yes, 2005
Fishes were collected from the rivers in and around the Iwokrama Forest during January-February and November-December 1997. Four hundred species of fish were recorded from forty families in ten orders.
Arjoon, D   +5 more
core   +1 more source

Bibliografía de los peces de agua dulce de Argentina. Suplemento : Suplemento 1996-2002 [PDF]

open access: yes, 2003
Fil: López, Hugo Luis. División Zoología Vertebrados. Facultad de Ciencias Naturales y Museo. Universidad Nacional de La Plata; ArgentinaFil: Menni, Roberto Carlos. División Zoología Vertebrados. Facultad de Ciencias Naturales y Museo.
López, Hugo Luis   +2 more
core  

Karyotype variability in neotropical catfishes of the family Pimelodidae (Teleostei: Siluriformes)

open access: yesNeotropical Ichthyology, 2011
Karyotypic data are presented for four species of fish belonging to the Pimelodidae family. These species show a conserved diploid number, 2n = 56 chromosomes, with different karyotypic formulae.
Américo Moraes Neto   +6 more
doaj  

Socio-economic characteristics of the Cachoeira de Emas small-scale fishery in Mogi-Guaçu River, State of São Paulo, Brazil

open access: yesBrazilian Journal of Biology
Fishing in the area of Cachoeira de Emas dates from the aboriginal Painguás who inhabited its margins. The socioeconomic conditions of the fishers and fishing are described, derived from personal interviews with 33 fishers.
J. Peixer, M. Petrere Júnior
doaj   +1 more source

Aspectos Ecológicos dos Parasitos de Iheringichthys labrosus (Lütken, 1874) (Siluriformes: Pimelodidae) em Reservatórios da Bacia do Rio Paraná e na Planície de Inundação do Alto Rio Paraná, Brasil - DOI: 10.4025/actascibiolsci.v27i4.1265

open access: yesActa Scientiarum: Biological Sciences, 2008
Foram examinados 62 espécimes de Iheringichthys labrosus capturados nos reservatórios de Rosana, Taquaruçú, Salto Grande e Canoas I, localizados na bacia do Rio Paraná. Cinqüenta peixes (80,65%) estavam parasitados por pelo menos uma espécie.
Sara Tatiana Moreira   +3 more
doaj   +1 more source

Treinamento alimentar de juvenis de Surubim Híbrido. [PDF]

open access: yes, 2011
TCC (graduação) - Universidade Federal de Santa Catarina, Centro de Ciências Agrárias, Curso de Engenharia de Aquicultura.O surubim híbrido (Pseudoplatystoma corruscans x P.
Maia, Cláudia Rodrighero
core  

Genetic evidence for two species of the genus Pimelodus Lacépède, 1803 (Siluriformes, Pimelodidae) in the Iguaçu River (Brazil)

open access: yesGenetics and Molecular Biology, 2000
The existence of reproductive isolation between two morphs of catfish, endemic to the Iguaçu River (Brazil), was examined by enzyme starch gel electrophoresis.
Renesto Erasmo   +2 more
doaj  

Bibliografía de los peces de agua dulce de la Argentina Suplemento 1996-2002. [PDF]

open access: yes, 2003
Between 1981 and 1995, we published five bibliographic lists (López et al., 1981, 1982,1987, 1989 y 1995) that included the publications referred to Argentine freshwater fishes and related general information published since Ringuelet et al. (1967).
Battistoni, Patria A.   +3 more
core  

Larval trematodes infecting the South-American intertidal mud snail Heleobia australis (Rissooidea: Cochliopidae) [PDF]

open access: yes, 2014
Larval trematodes infecting the snail Heleobia australis (Cochliopidae) from the Bahía Blanca estuary, Argentina were surveyed for two years. A total of 7,504 snail specimens was dissected and the larval stages of 15 different trematodes were recovered ...
Alda, Maria del Pilar   +1 more
core   +2 more sources

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