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. 2014 Jul 29;5:4500. doi: 10.1038/ncomms5500

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Differences in microbiota composition (unweighted PCoA axes 1+2) between male stickleback fed littoral versus pelagic prey. Daphnia-fed fish are indicated by blue triangles, chironomid-fed fish are green circles. The percentages in the axis labels indicate the percentage of total variation in microbial community structure that is associated with each PCoA axis. A dashed line separates the two treatments to emphasize the nearly non-overlapping differences between diet treatments. A MANOVA confirmed that unweighted PCoA axes 1–12 (top 50% of variation) exhibit a significant association with diet (P=0.00004), but not tank (P=0.283). Similar effects were observed for weighted PCoAs (diet P=0.000002; tank P=0.889).