Cleaner Fish Gives Stressed Fish Client a Massage...
Bluestreak cleaner wrasse with a surgeonfish client (Photo: Alex.vasenin /Wikimedia Commons)... ...massages are beneficial, Soares put stressed out surgeonfish in two tanks with a model cleaner fish - one tan... ...ck and forth to provide physical stimulation. All surgeonfish...
https://www.neatorama.com/2014/06/29/Cleaner-Fish-Gives-Stressed-Fish-Client-a-Massage/
