Data and script for "Binning SA, Roche DG, Grutter A, Colosio S, Sun D, Miest J, Bshary R (2018) Cleaner wrasse indirectly affect the cognitive performance of a damselfish through ectoparasite removal. Proc. R. Soc. B. 20172447. http://dx.doi.org/10.1098/rspb.2017.2447"