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Fig. 4 | BMC Biology

Fig. 4

From: Evolution of left–right asymmetry in the sensory system and foraging behavior during adaptation to food-sparse cave environments

Fig. 4

Plasticities of surface fish and Tinaja cavefish in total NOA and/or DIR, and the plastic left SN–NOA association in Pachón cavefish in response to fasting. A Pirate plots showing total NOA. Surface fish showed significantly reduced NOA after fasting, but neither Tinaja nor Pachón cavefish showed significant changes in NOA. B Pirate plots showing total DIR. Surface fish showed significantly reduced DIR after fasting, but Tinaja’s DIR increased after fasting. Pachón cavefish showed no significant changes in DIR. C The number of left or right SNs plotted against changes in NOA after fasting (NOAafter − NOAbefore) in surface fish, Tinaja cavefish, and Pachón cavefish. In Pachón cavefish, individuals with fewer left SNs showed a higher increase in total NOA, suggesting that a plastic response to fasting existed in individuals with few left SNs and a low NOA level. There was no detectable correlation between the number of right SNs and the change in NOA in Pachón cavefish or the other populations. All statistical scores are available in Additional file 1: Table S5 and S6

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