ArticleCommunicative & integrative biology2008
A male's playback signal turns female Marcusenius pongolensis receivers on or off depending on his behavioral state.
Article in Communicative & integrative biology, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
The electric organ discharges (EODs) of male southern bulldog fish, Marcusenius pongolensis, are of longer pulse duration than those of females, and grow with body size.1 In a playback experiment, male EODs of longer pulse duration were more attractive to females in terms of association time and other behavioral variables.2 Here, we show that the greater attraction of long male EODs to females was only revealed when combined with 'acceptable' information on his behavioral state (the combination was manipulated experimentally). Females were attracted to long EODs had the male (apparently) been in a nocturnally-active but non-aggressive behavioral state, but the preference vanished when in a diurnally 'resting' or nocturnal aggression (agonistic) state. Information on male behavioral state was conveyed to females by one of four types of inter-discharge interval (IDI) pattern that were used to drive the presentation of EODs.
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