Results 21 to 30 of about 1,613 (195)

Estudo comparativo através de análises de RAPD de seis espécies da família Pimelodidae (Osteichthyes, Siluriformes) do rio Tibagi, Estado do Paraná, Brasil [PDF]

open access: yesActa Scientiarum: Biological Sciences, 2008
A similaridade genética de seis espécies, pertencentes à família Pimelodidae (Osteichthyes, Siluriformes), coletadas em quatro localidades na bacia do rio Tibagi, foi analisada utilizando-se a técnica de RAPD.
Fernanda Simões de Almeida   +1 more
doaj   +3 more sources

Freshwater fishes of suriname : the genus Heptapterus (Pimelodidae) [PDF]

open access: yes, 1967
Ichthyological investigations in Suriname, carried out in connection with the "Brokopondo project", financed jointly by the Rijksmuseum van Natuurlijke Historie and the Stichting voor Wetenschappelijk Onderzoek in de Tropen, have yielded large collections of freshwater fishes.
Mees, G.F.
openaire   +2 more sources

Further records of Auchenipteridae and Pimelodidae from Suriname (Pisces: Nematognathi) [PDF]

open access: yes, 1985
Collections of freshwater-fishes, made in recent years in Suriname, have yielded four species of Auchenipteridae and ten species of Pimelodidae. Of the latter, two species, viz., Phractocephalus hemioliopterus and Pimelodus heteropleurus, are additions to the list given by Mees (1974: 237238), but the occurrence of Phractocephalus hemioliopterus in ...
Mees, G.F.
openaire   +2 more sources

Is there hidden genetic variability in the species of <i>Steindachneridion</i> Garavello, 2005 (Siluriformes: Pimelodidae)? [PDF]

open access: yesPeerJ
Background The genus Steindachneridion, which includes large-sized freshwater pimelodid species, is endemic to the southeastern coastal drainages of South America, specifically the Paraná River and Uruguay River basins.
Matoso DA   +6 more
europepmc   +4 more sources

Structural chromosome polymorphism in a Pimelodus maculatus La Cepède, 1803 population (Siluriformes, Pimelodidae) from the Paranapanema River basin, PR, Brazil Polimorfismo cromossômico estrutural em uma população de Pimelodus maculatus La Cèpede, 1803 (Siluriformes, Pimelodidae) da bacia do Rio Paranapanema, PR, Brasil

open access: yesBrazilian Journal of Biology, 2007
In the present cytogenetic study of Pimelodus maculatus, 13 specimens (8 males and 5 females) from the Congonhas Stream in Paraná State, Brazil, were examined using conventional staining.
J. Mazzuchelli, AC. Swarça, AL. Dias
doaj   +1 more source

Transferability of heterologous microsatellite primers in Leiarius marmoratus

open access: yesSemina: Ciências Agrárias, 2020
The Amazonian Jundiá (Leiarius marmoratus) (Siluliformes: Pimelodidae) is a species of catfish with social and economic importance in some South American countries such as Brazil and Colombia. Genetic evaluation of this species is limited due to the lack
Victor César Freitas Pandolfi   +9 more
doaj   +1 more source

Redescriptions of two little-known pimelodid catfishes from the São Francisco River basin, Brazil: Duopalatinus emarginatus and Bagropsis reinhardti (Teleostei: Siluriformes) [PDF]

open access: yesNeotropical Ichthyology
The São Francisco River basin in eastern Brazil harbors a highly endemic ichthyofauna, including the poorly known pimelodid catfishes Duopalatinus emarginatus and Bagropsis reinhardti.
Marcelo Salles Rocha   +3 more
doaj   +1 more source

Evaluación de algunos marcadores de exposición a contaminantes en tres especies de bagres colombianos (Pisces: Siluriformes)

open access: yesBiota Colombiana, 2014
Se evaluaron ejemplares adultos de las especies capitán de la Sabana (Eremophilus mutisii), bagre rayado (Pseudoplatystoma orinocoense y P. metaense) y capaz (Pimelodus grosskopfii) (n=9-27/especie), provenientes del río Bogotá (Cundinamarca), Puerto ...
Jaime González M.   +5 more
doaj   +10 more sources

Ação do tempo e da forma de suplementação alimentar com Artemia franciscana sobre a sobrevivência e o crescimento de larvas de jundiá Action of time and feeding suplementation form with Artemia franciscana on the survival and growth of the south american catfish larvae

open access: yesCiência Rural, 2000
O presente trabalho foi realizado com o objetivo de verificar o efeito da suplementação alimentar com Artemia franciscana no desempenho de larvas de jundiá (Rhamdia quelen). Os tratamentos foram: T1 - Suplementação com náuplios de Artemia durante 7 dias;
Everton Rodolfo Behr   +2 more
doaj   +1 more source

On some trematodes parasites of fishes from Paraná River [PDF]

open access: yesBrazilian Journal of Biology, 2001
Crassicutis cichlasomae Manter, 1936 is redescribed for the first time in South America and from a new host: Geophagus brasiliensis (Cichlidae). Iheringtrema iheringi Travassos, 1948 is redescribed for the first time since its original description from ...
B. M. M. FERNANDES, A. KOHN
doaj   +1 more source

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