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Figure 4 | BMC Biology

Figure 4

From: Rapid sympatric ecological differentiation of crater lake cichlid fishes within historic times

Figure 4

Thick-lipped and thin-lipped Midas cichlids in Apoyeque differ quantitatively in diet and trophic niche. (a) The proportion of gut contents per food category differs between thick- (n = 19) and thin-lipped (n = 22) fishes. (b) Multi-dimensional gut contents by morph displayed along the two primary axes. (c) Individual-level stable isotope values of δ13C and δ15N from thick-lipped (n = 29) and thin-lipped (n = 31) Apoyeque cichlids, with 95% confidence ellipses around the centroids.

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