Results 41 to 50 of about 1,336 (204)
Keeping eyes peeled: guppies exposed to chemical alarm cue are more responsive to ambiguous visual cues [PDF]
, 2016 Information received from the visual and chemical senses is qualitatively different. For prey species in aquatic environments, visual cues are spatially and temporally reliable but risky as the prey and predator must often be in close proximity. Chemical
Stephenson, Jessica Frances
core +2 more sources
Aquaculture Research, Volume 2026, Issue 1, 2026.Mystus cavasius (locally known as Gulsha) is a commercially important catfish in Bangladesh, typically transported live in oxygenated polythene bags without anesthetics, often resulting in severe stress, injuries, and high mortality. This study evaluated the efficacy of clove seed aqueous extract (CAE) as a natural anesthetic at different ...
Nafisa Khatun +4 more
wiley +1 more source
Evolutionary Applications, Volume 12, Issue 7, Page 1385-1401, August 2019., 2019 Abstract Human activities are dramatically altering ecosystems worldwide, often resulting in shifts in selection regimes. In response, natural populations sometimes undergo rapid phenotypic changes, which, if adaptive, can increase their probability of persistence.
Ilke Geladi +5 more
wiley +1 more source
Gape size influences seasonal patterns of piscivore diets in three Neotropical rivers [PDF]
, 2011 We examined diets of four piscivores, two in the order Perciformes (Cichla temensis and C. orinocensis) and two in the order Characiformes (Boulengerella cuvieri and B.
Layman, Craig A., Montaña, Carmen G.
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Predator avoidance in extremophile fish [PDF]
, 2013 Extreme habitats are often characterized by reduced predation pressures, thus representing refuges for the inhabiting species. The present study was designed to investigate predator avoidance of extremophile populations of Poecilia mexicana and P ...
Arias-Rodriguez, Lenin +7 more
core +2 more sources
, 2016 Published as part of Fernando C. P. Dagost, anoela M. F. Mar, cila Cam & vio C. T. Li, 2016, A New Species of Hyphessobrycon (Characiformes: Characidae) from the Upper Rio Juruena Basin, Central Brazil, with a Redescription of H. cyanotaenia, pp.
Dagost, Fernando C. P. +3 more
openaire +1 more source
Fish fauna of small streams of the Catua-Ipixuna Extractive Reserve, State of Amazonas, Brazil [PDF]
Check List, 2009 This study was conducted in an Amazonas state conservation unit, the Catuá-Ipixuna Extractive Reserve (Catuá-IpixunaRESEX). The main purpose was to provide an ichthyological survey of its small streams, all them tributaries of theSolimões River.
Py-Daniel, L. H. R. +4 more
doaj +4 more sources
Aquatic macrophytes as feeding site for small fishes in the Rosana Reservoir, Paranapanema River, Southeastern Brazil [PDF]
Brazilian Journal of Biology, 2003 In the present investigation we studied the feeding habits of the fishes associated with aquatic macrophytes in the Rosana Reservoir, southeastern Brazil.
L. Casatti, H. F. Mendes, K. M. Ferreira
doaj +1 more source
Semblanzas Ictiológicas Iberoamericanas: Fernando Rogério de Carvalho. [PDF]
, 2014 Através desta nova série, tentamos conhecer os diferentes aspectos pessoais dos integrantes da comunidade ictiológica ibero-americana. Esta iniciativa compartilha o espírito e o objetivo das biografias de pesquisadores brasileiros, procurando ...
López, Hugo Luis, Ponte Gómez, Justina
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Aquaculture, Fish and Fisheries, Volume 5, Issue 4, August 2025.ABSTRACT With the rising cost and ecological impact of traditional fishmeal, there is an urgent need for sustainable and locally available alternative protein sources in aquaculture. This study evaluated the effectiveness of Eisenia fetida meal as a sustainable protein substitute for fishmeal in the diets of Oreochromis niloticus fingerlings under ...
Belay Abdissa +2 more
wiley +1 more source