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. 2017 May 16;11(9):1975–1987. doi: 10.1038/ismej.2017.62

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Copyright © 2017 The Author(s)

This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/4.0/

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Phyloecospace of the Tanganyika microbiota data set shown by the first two significant PCs. (a) PC1 and PC2 correlation scores; (b and c) color plot of (b) PC1 and (c) PC2 scores on the cichlid phylogeny, with similar colors indicating comparable PC scores (that is, similar microbiotas). (b) PC1 carries a mix of ecological and phylogenetic signals, with clear examples of microbiota convergence among the herbivores Ophven, Varmoo and Intloo, belonging to three distinct tribes, and the scale eater Plestr (tribe Perissodini) and the carnivorous Enamel (tribe Ectodini) with the main carnivorous Lamprologini clade. (c) PC2 shows a strong phylogenetic signal largely driven by the two Neolamprologus species (Neosav and Neopul) and partly by the two species Erecya (Eretmodini) and Cypcol (Cyprichromini), unique representatives of two distant tribes. Stable isotopes and phylogenetic data for Cyprichromis coloratus (Cypcol) were approximated by the sister species C. leptosoma (sharing a similar trophic niche).