Fig. 4 in Flight response of the barber surgeonfish, Acanthurus bahianus Castelnau, 1855 (Teleostei: Acanthuridae), to spearfisher presence

Fig. 4. Results of Ivlev's index showing the preference of Acanthurus chirurgus, Acanthurus coeruleus and Halichoeres poey; and the rejection of Stegastes fuscus and Sphoeroides spengleri to form groups with Acanthurus bahianus.