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The 'pole-hooking' method: A novel and economical technique for in situ tagging small to medium-sized fishes
(Elsevier Science, 2008-06)
We describe a new manual procedure for catching and tagging fish underwater, the 'pole-hooking' method, and demonstrate and discuss its advantages over standard tagging techniques (i.e. hook-and-line fishing). The new ...
Water jet: a simple method for classical conditioning in fish
(2018-10-01)
Classical conditioning in animals is a learning procedure involving a biologically relevant stimulus paired with a previously neutral stimulus. In fish, light and sound are frequently used as previously neutral stimuli for ...
A method for chromosome preparations from large fish specimens using in vitro short-term treatment with colchicine
(Birkhauser Verlag Ag, 1993-09-15)
This paper describes a new technique for preparing mitotic fish chromosomes using short-term in vitro treatment with colchicine. The results show that a large number of good quality metaphases (many suitable for chromosome ...
Fish cytogenetic research: Advances, applications and perspectives
(1991-12-01)
Methods developed since 1976 for harvesting, preparing and banding fish chromosomes are now commonly used for taxonomic and phylogenetic studies, genetic control and chromosome manipulations in fish breeding and in monitoring ...
Fish cytogenetic research: Advances, applications and perspectives
(1991-12-01)
Methods developed since 1976 for harvesting, preparing and banding fish chromosomes are now commonly used for taxonomic and phylogenetic studies, genetic control and chromosome manipulations in fish breeding and in monitoring ...
Challenges in Assessing Fish Welfare
(Inst Laboratory Animal Research, Natl Res Council, 2009-01-01)
Descriptions of feeling states in nonhuman animals have relied on indirect evidence from empirical data. Assumptions that fish do not experience suffering lack evidence and in fact contradict a large body of indirect ...
Injuries caused by fish in a community of Pantanal fishermen: detection, treatment, and prevention of envenomations and trauma
(Soc Brasileira Medicina Tropical, 2018-09-01)
Introduction: Injuries caused by fish are common in the Pantanal, a flooded area in Midwestern Brazil. Methods: A survey was conducted to identify venomous and trauma-inducing fish and the incidence of such injuries in a ...
The dietary regime of detritivorous fish from the River Jacaré Pepira, Brazil
(1999-04-01)
The diet of detritivorous fish was analysed at four distinct habitats in a tropical river during the wet and dry seasons. Two methodologies were used to determine the diet of the fish: (1) the direct analysis of the stomach ...