Table 1. Correlations among the fish organs used in the fish organs experiment.

The correlation between organs in surface Rio Choy fish (SF) is shown above, and for Pachón cavefish (CF) below. Significant correlations are marked in bold.

Surface fish	Brain	Caudal fin	Gill	Gonads	Heart	Liver	Muscle	Skin
Bladder	P = 0.317	P = 0.895	P = 0.029	P = 0.904	P = 0.508	P = 0.860	P = 0.78	P = 0.905
	R =  − 0.38	R = 0.05	R =  − 0.72	R = 0.07	R =  − 0.28	R =  − 0.09	R = 0.15	R =  − 0.06
Brain		P = 0.01	P = 0.049	P = 0.871	P = 0.02	P = 0.324	P = 0.89	P = 0.168
		R = 0.71	R = 0.58	R =  − 0.08	R = 0.69	R =  − 0.40	R = 0.06	R = 0.58
Caudal fin			P = 0.303	P = 0.23	P = 0.007	P = 0.62	P = 0.485	P = 0.232
			R = 0.32	R =  − 0.52	R = 0.76	R = 0.21	R = 0.32	R = 0.52
Gill				P = 0.314	P = 0.027	P = 0.758	P = 0.02	P = 0.334
				R = 0.45	R = 0.66	R =  − 0.13	R =  − 0.83	R = 0.43
Gonads					P = 0.281	P = 0.844	P = 0.775	P = 0.953
					R =  − 0.53	R =  − 0.09	R =  − 0.15	R = 0.05
Heart						P = 0.74	P = 0.346	P = 0.781
						R =  − 0.15	R =  − 0.47	R =  − 0.15
Liver							P = 0.259	P = 0.464
							R = 0.49	R =  − 0.54
Muscle								P = 0.089
								R =  − 0.91