Results 71 to 80 of about 6,914 (213)
Ciência Rural, 2000 Several studies have suggested that the caudal neurosecretory system could act on fish reproduction. The aim of this study was to compare the effect of urophysial extract (UE) and carp pituitary homogenate (CPH) on the induction of spawning in Hoplias ...
Everton Rodolfo Behr +4 more
doaj +1 more source
Cell Biochemistry and Function, Volume 43, Issue 11, November 2025.ABSTRACT Aquatic ecosystems have their abiotic and biotic factors constantly altered by various factors. Among them, water temperature is an abiotic factor that can significantly affect fish physiology, increasing energy demand, which can impact homeostasis and survival. Endocrine and metabolic changes and enzymatic modulation are referred to as stress
Ana Paula Nascimento Corrêa +8 more
wiley +1 more source
Poseidon Linux 3.x - The scientific GNU/Linux option [PDF]
, 2009 This software review is about the newest version of Poseidon Linux (3.x). The current Poseidon Linux is a remastering from Ubuntu LTS family (Long Term Support), with extra specific software applicable to many areas of scientific research and education.
Albergone, Eduardo H. +5 more
core
A contribution to the checklist of fishes of San Luis province, Argentina [PDF]
, 2015 San Luis province presents arheic and endorheic basins that are poorly understood in terms of their ichthyological composition. The samples taken recently from the main basins of this province have yielded data of undisputed biogeographic value for the ...
Bogan, Sergio +5 more
core +4 more sources
Revista Brasileira de Zootecnia, 2012 The objective of this study was to evaluate the use of Bacillus cereus var. toyoi and Saccharomyces boulardii as probiotics to improve Rhamdia quelen culture. Six hundred larvaes (0.16±0.07 g) were divided in three replicate tanks (25-L recirculation, 20
Diego Moreira de Souza +5 more
doaj +1 more source
Austral Entomology, Volume 64, Issue 4, November 2025.Abstract Rhopalosomatidae (Hymenoptera, Vespoidea) are rare ectoparasitoid wasps that parasitize crickets (Grylloidea), with few records documented in the literature, which originate from the Nearctic and Australian regions. Here, we report the first record of Rhopalosomatidae larvae parasitizing crickets of the family Phalangopsidae in the Neotropics.
Mayara M. Bulbol +5 more
wiley +1 more source
Organização trófica da assembleia de peixes de uma lagoa costeira subtropical, Santa Catarina, Brasil [PDF]
, 2013 Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Biológicas, Programa de Pós-graduação em Ecologia, Florianópolis, 2013O presente estudo teve como objetivo investigar a organização trófica da assembleia de peixes da ...
Sticca, Sarah Carvalho
core
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, Minasn Gerais State, Brazil.
Adriano Reder de Carvalho +2 more
doaj
Journal of Fish Biology, Volume 107, Issue 5, Page 1519-1531, November 2025.Abstract A new species of ghost electric knifefish, Porotergus sambaibensis sp. nov., is described from the Javaés River, a tributary of the Araguaia River in Brazil. The new species was assigned to the genus Porotergus as the closest relative to Porotergus gimbeli through maximum likelihood reconstruction of a concatenated multilocus dataset ...
Marina B. Mendonça +4 more
wiley +1 more source
Ciência Rural, 2008 Toxicity risks of agricultural pesticides to fishes are pivotal. Currently, many questions remain unsolved regarding to the toxicity of commonly used pesticides to silver catfish (Rhamdia quelen), a South American catfish.
Luiz Carlos Kreutz +7 more
doaj +1 more source