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Many vertebrates form monogamous pairs to mate and care for their offspring. However, genetic tools have increasingly shown that offspring often arise from matings outside of the monogamous pair bond. Social monogamy is relatively common in coral reef fishes, but there have been few studies that have confirmed monogamy or extra‐pair reproduction, either for males or for females. Here, long‐term observations...
Many coral reef fishes exhibit unique reproductive strategies that can play a central role in conservation programs. Cardinalfishes (f. Apogonidae) are all paternal mouthbrooders, where the male holds the fertilised eggs in his mouth until they hatch. Males may fertilise the eggs of multiple females resulting in polygyny and skewed reproductive success. Here we present 23 tetranucleotide microsatellite...
The levels of carbon dioxide (CO2) predicted for the oceans by the end of this century have recently been shown to impair olfactory discrimination in larval fishes. However, whether this disruption extends to olfactory-mediated behaviour in adult fishes is unknown. In many fishes, adult survival and reproduction can be critically dependent upon navigation to home sites. We tested the effects that...
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