Natural selection, or fish doing the selection?

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Article reads: So what about the wimpy immaculata males? Females don’t like them and they never win fights, so how do they persist in the population? It turns out that these sly little guys adopt a “sneaker” tactic. The appearance and behavior of immaculata males mimic those of juvenile females, so they can sneak in and grab a quick copulation with the female before she figures out what they really are.

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