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Figure 2 | BMC Evolutionary Biology

Figure 2

From: Intrasexual competition facilitates the evolution of alternative mating strategies in a colour polymorphic fish

Figure 2

Mean (± standard error) proportions of received (empty bars) and initiated (filled bars) aggressive behaviours 10 min-1 for each morph when (a) females were separated but were able to observe male-male interactions, and (b) females freely interacted with competing males in open aquaria. Bars with different letters above are significantly different (see text).

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