Results 101 to 110 of about 860,253 (247)
Iheringia: Série Zoologia, 2018 Studies on the composition of fish diet and on how species exploit food resources are especially relevant in tropical freshwater systems, where dietary plasticity is a commonly used strategy.
Silvia B. Barreto +3 more
doaj +1 more source
, 2000 A new genus and species of amphistome parasite (Trematoda: Cladorchiidae) is described from a characid fish, Curimata vittata GUNTHER, taken in the Brazilian state of Rondônia.
Thatcher, V.
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Lethal Temperatures of a Neotropical Fish Relic in Patagonia, the Scale-Less Characinid Gymnocharacinus-Bergi [PDF]
, 1997 Fil: Ortubay, Silvia G.. Dirección de Pesca. Ministerio de Economía de la Provincia de Río Negro; ArgentinaFil: Gómez, Sergio E.. Instituto de Limnología Dr. Raúl A. Ringuelet (ILPLA). Facultad de Ciencias Naturales y Museo.
Cussac, Víctor E. +2 more
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Ichthyological ecoregions of Argentina [PDF]
, 2002 The Argentine Republic is situated in the southernmost portion of the American continent, occupying over 2,785,600 km2 not including the Antarctic territory. The country ranges from subtropical areas (21º46’S) to subantarctic regions (55º03’S), extending
López, Hugo Luis +2 more
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Phylogenetic relationships of Chanidae (Teleostei: Gonorynchiformes) as impacted by Dastilbe moraesi, from the Sanfranciscana basin, Early Cretaceous of Brazil [PDF]
, 2018 Fossil gonorynchiform fishes range from the Lower Cretaceous to the early Miocene, and are represented by a few dozen living species. The order is currently divided into two major clades: Gonorynchoidei, which includes the families Gonorynchidae and ...
Bockmann, Flávio A. +3 more
core +4 more sources
Cavefish as biological models in the laboratory and in the wild. [PDF]
Zool Res, 2023 Jeffery WR, Ma L, Zhao YH.
europepmc +1 more source
First study on parasites of Hemibrycon surinamensis (Characidae), a host from the eastern Amazon region. [PDF]
, 2019 This study was the first investigation of communities and infracommunities of parasites of Hemibrycon surinamensis. All the fish collected in a tributary of the Amazon river were parasitized by one or more parasite species. The Brillouin diversity index (
DIAS, M. T. +2 more
core +1 more source
Efecto de algunos iones sobre la activación espermática en Brycon henni (Eigenmann 1913)
Acta Biológica Colombiana, 2007 Spermatozoa in Characid fish remain immobile in seminal plasma and are activated when freed into water where the ionic balance seems to be the main factor starting the activation process.
Javier Tabares +3 more
doaj
Acta Limnologica Brasiliensia, 2013 AIM: Life-history strategies in fish include essential parameters related to offspring survivorship, fecundity and time of reproduction, which represent adaptive traits that enable a species to deal with spatial and temporal variability of abiotic ...
Cristina da Silva Gonçalves +4 more
doaj +1 more source
Fish fauna from Río Pilcomayo National Park and Ramsar Site and its surroundings, Formosa, Argentina [PDF]
, 2014 The first list of fish species from the Río Pilcomayo National Park and Ramsar Site (RPNP), located in the WetChaco plains of Northern Argentina is presented here.
Baigún, Claudio Rafael M. +5 more
core +4 more sources