g. , biomimetic shape together with LEDs on and not when the fish reproduction was static like a standard dummy Figs 4 and 5. Interestingly, even though the cylindrical dummy was able to switch on LEDs, twist and twist in conjunction with LEDs on, as the fish replica did, no actual competitive displays were directed to it. Our outcomes showed a major lower response regarding both not physical and actual competitive shows towards any context wherein the cylindrical dummy was used. This confirms the key role played by the biomimetic shape in the recognition of the fish duplicate as an opponent. Nevertheless, also the effect of sensible eyes, missing in our fish reproduction, is worth gaining knowledge of in additional investigations concerning agonistic interaction, since realistic eyes led to a major advantage of the attractiveness level in a fish duplicate during social interactions with P.