Results 91 to 100 of about 800 (196)

Estudo da dieta natural de peixes no reservatório de Ribeirão das Lajes, Rio de Janeiro, Brasil - DOI: 10.4025/actascibiolsci.v27i4.1270

Acta Scientiarum: Biological Sciences, 2008
O presente estudo objetivou conhecer a dieta natural de espécies residentes no reservatório de Ribeirão das Lajes (RJ), sendo realizada a análise do conteúdo estomacal de peixes capturados por meio de redes de espera, em duas épocas distintas.
Ana Carolina Monteiro Iozzi Dias, Christina Wyss Castelo Branco, Vanessa Guimarães Lopes   +2 more
doaj   +1 more source

Geophagus abalios López-Fernández & Taphorn, 2004, n. sp.

, 2004
Geophagus abalios n. sp. (Figs. 2 b, 3–5, 9) Holotype. MCNG 47600, 163.0 mm SL; Venezuela: Apure: Río Cinaruco: Laguna Larga (6.5339 N 67.4150 W); K. Winemiller, H. López­Fernández, D.A. Arrington, L. Kelso­ Winemiller, H. López­Chirico and J. Arrington, 1­3 Jan 1999. Paratypes.
López-Fernández, Hernán, Taphorn, Donald C.   +1 more
openaire   +2 more sources

Effect of temperature on the predation rate of the pearl cichlid (Geophagus brasiliensis) on the channeled applesnail (Pomacea canaliculata)

Latin American Journal of Aquatic Research, 2014
An experiment was conducted to evaluate the effect of temperature on the intensity of predation upon snails. The experiment was run for 60 days using 15 cement tanks with water temperatures of 18, 22, 26, 30 and 34°C in a completely randomized design ...
Ariany Rabello da Silva, Mário Roberto Chim Figueiredo   +1 more
doaj   +1 more source

Geophagus neambi Lucinda, Lucena & Assis, 2010, new species

, 2010
Published as part of Lucinda, Paulo H. F., Lucena, Carlos A. S. & Assis, Newton C., 2010, Two new species of cichlid fish genus Geophagus Heckel from the Rio Tocantins drainage (Perciformes: Cichlidae), pp.
Lucinda, Paulo H. F., Lucena, Carlos A. S., Assis, Newton C.   +2 more
openaire   +2 more sources

FIGURE 2. Sciadicleithrum kritskyi n in Two new species of Sciadicleithrum (Monogenea: Dactylogyridae), gill parasites of Geophagus proximus (Castelnau) (Teleostei: Cichlidae), from the upper Paraná River floodplain, Brazil

, 2009
FIGURE 2. Sciadicleithrum kritskyi n. sp. from Geophagus proximus. a. dorsal anchor; b. dorsal bar; c. ventral bar; d. aperture vaginal; e. hook 1, 2, 3, 4, 6, 7; f. hook 5; g. ventral anchor; h. Copulatory complex – ventral view; Scale-bars: a–g: 25 µ m;
Bellay, Sybelle, Pavanelli, Gilberto Cezar, Takemoto, Ricardo Massato, Yamada, Fábio Hideki   +3 more
core   +1 more source

Fig. 1 in Diet and food consumption of the pearl cichlid Geophagus brasiliensis (Teleostei: Cichlidae): relationships with gender and sexual maturity

, 2011
Fig. 1. Coastal plain of Rio Grande do Sul in southern Brazil showing the Patos-Mirim lagoon complex (a) and the location of the four sampling sites where the specimens of the pearl cichlid Geophagus brasiliensis were collected (b).Published as part of ...
Bastos, Rodrigo F., Garcia, Alexandre M., Condini, Mário V., Varela Junior, Antonio S.   +3 more
core   +1 more source

Geophagus winemilleri López-Fernández & Taphorn, 2004, n. sp.

, 2004
Geophagus winemilleri n. sp. (Figs. 2 c, 10–13) Holotype. MCNG 35486, 195.0 mm SL; Venezuela: Amazonas: Río Siapa: Laguna Yocuta, (2.1347 N 66.3742 W); K. Winemiller and D. Jepsen, 21 Jan 1997. Paratypes. MCNG 12227, 9, 24.5–47.3 mm SL (4 measured); Venezuela: Amazonas: Río Casiquiare: El Porvenir, approx. 60 Km.
Hernan López-Fernández, Donald C. Taphorn   +1 more
openaire   +3 more sources

FIGURE 4. Sciadicleithrum paranaensis n in Two new species of Sciadicleithrum (Monogenea: Dactylogyridae), gill parasites of Geophagus proximus (Castelnau) (Teleostei: Cichlidae), from the upper Paraná River floodplain, Brazil

, 2009
FIGURE 4. Sciadicleithrum paranaensis n. sp. from Geophagus proximus. a. dorsal anchor; b. ventral bar; c. dorsal bar; d. ventral anchor; e. Copulatory complex – dorsal view; f. Copulatory complex – ventral view; g. hook 1, 2, 3, 4, 6, 7; h.
Bellay, Sybelle, Pavanelli, Gilberto Cezar, Takemoto, Ricardo Massato, Yamada, Fábio Hideki   +3 more
core   +1 more source

Metazoan parasites of Geophagus proximus, a Cichlidae fish from the Eastern Amazon (Brazil). [PDF]

, 2017
The present study investigated the fauna of metazoan parasites of a Geophagus proximus population from the lower Tapajós River, in the state of Pará, northern Brazil. A total of 137 monogeneans were collected from the gills of G.
TAVARES-DIAS, M., BRITO, L. S., Marcos Tavares-Dias, OLIVEIRA, M. S. B., CORRÊA, L. L., Marcos Sidney Brito Oliveira, CASTRO, L. de A., Liliane de Araújo Castro, Letícia Silva Brito, Lincoln Lima Corrêa   +9 more
core   +1 more source

Variação sazonal dos metazoários parasitos de Geophagus brasiliensis (Perciformes: Cichlidae) no rio Guandu, Estado do Rio de Janeiro, Brasil = Seasonal variation of metazoan parasites of Geophagus brasiliensis (Perciformes: Cichlidae) from the Guandu river, State of Rio de Janeiro, Brazil

Acta Scientiarum: Biological Sciences, 2010
O presente trabalho estuda a variação sazonal dos metazoários parasitos de Geophagus brasiliensis do rio Guandu, Estado do Rio de Janeiro, Brasil. Para isso foram realizadas quatro coletas trimestrais de 50 espécimes de G.
Adriano Reder de Carvalho, Luiz Eduardo Roland Tavares, José Luis Luque   +2 more
doaj