Table 1.

Influence of species (non-native P. Elegans or native P. adspersus) and habitat (open or vegetated) on the behaviour of 10 individuals during 10 min in experiment 2. Significant results are marked in bold

	Activity		Aggression		Feeding
	F1,28	P	F1,28	P	F1,28	P
Species	50.93	< 0.001	49.40	< 0.001	77,34	< 0.001
Habitat	0.25	0.622	8.89	0.006	16.92	< 0.001
Species*Habitat	12.15	0.002	9.71	0.004	14.05	0.001

Data was analysed using linear models with species and habitat as fixed factors