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. 2014 May 27;4:5076. doi: 10.1038/srep05076

Figure 4. Study 4.

Figure 4

Stress imposed on zebrafish group (TARGET) by water-conditioned from group of zebrafish DONOR viewing a predator fish. Water was transferred from donor zebrafish to target zebrafish conditioned in different aquaria. The stimulus fish (predator = tiger oscar, Astronotus ocellatus; non-predator = goldfish, Carassius auratus) was in a separated aquaria that could be viewed only by the donor zebrafish. Mean values (±S.E.M.) from repetitions shown inside bars (N). NS = not significant difference between donor condition; * difference in target zebrafish according to condition of the conspecific donors. Statistics: Kruskal-Wallis followed by Dunn's multiple comparison test; KW = 20.716, p = 0.0001.