Female pintado catfish choose well-fed males

This study tested the preference of pintado catfish females (Pseudoplatystoma coruscans) for associating with well-fed or food-deprived males in simultaneous choice tests. Females were tested under three different treatments in which: (1) females could choose on the basis of multiple cues from the w...

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Bibliographic Details
Published inBehaviour Vol. 147; no. 3; pp. 319 - 332
Main Author Giaquinto, Percilia Cardoso
Format Journal Article
LanguageEnglish
Published The Netherlands Brill 01.01.2010
BRILL
Subjects
CATFISH
CHEMICAL CUES
Diet
Female animals
Fish
Male animals
Mating behavior
MATING CHOICE
Mental stimulation
Odors
PHEROMONE
Pheromones
Pseudoplatystoma coruscans
SEXUAL SELECTION
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Summary:This study tested the preference of pintado catfish females (Pseudoplatystoma coruscans) for associating with well-fed or food-deprived males in simultaneous choice tests. Females were tested under three different treatments in which: (1) females could choose on the basis of multiple cues from the well-fed or food-deprived males (visual plus chemical); (2) only chemical cues were presented; (3) only visual cues were presented. Females chose well-fed males when chemical cues were presented (either visual + chemical or only chemical cues). When only visual cues were presented, females spent an equal amount of time in the choice apparatus compartments. Chemical signals, either directly through control of pheromone production, or indirectly by excreted metabolites, are likely to be an important source of information about nutritional condition in mating choice.
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ISSN:0005-7959
1568-539X
DOI:10.1163/000579509X12535339073761