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Fig. 1 | Parasites & Vectors

Fig. 1

From: Reduced aggression and foraging efficiency of invasive signal crayfish (Pacifastacus leniusculus) infested with non-native branchiobdellidans (Annelida: Clitellata)

Fig. 1

Effect of branchiobdellidan infestation on host aggressive behaviour. Mean (±SE) number of threat, fight, avoid and retreat behaviours performed by Xironogiton victoriensis infested (hatched bars) and uninfested (white bars) signal crayfish in dyadic competition experiments. * P < 0.05, ** P < 0.01, *** P < 0.0001

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