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. 2018 Aug 6;8:11733. doi: 10.1038/s41598-018-29637-7

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© The Author(s) 2018

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Functional richness of the more and less attractive fishes. (a) Functional richness (FRic) of groups of fishes ordered by descending or ascending attractiveness from 4 to 169 fishes. The grey line shows the mean expected FRic for groups of randomly sampled fishes (see Methods ‘Functional richness of more and less attractive species’), and shaded areas represent the standard deviations (more than 1,000 replications). Fishes shown left to right and top to bottom are as follows: Naso brevirostris, Caranx melampygus, Echeneis naucrates, Lutjanus bohar, Dascyllus trimaculatus, Macolor niger juvenile, Chlorurus sordidus male, Pseudanthias squamipinnis male, Sargocentron caudimaculatum and Acanthurus triostegus. Photographs: Randall, J. E. from FishBase.org. (b) Functional space filled by the 4, 10, 20, 30 and 40 most and (c) least attractive fishes.