Other methods include adding antibiotics to feed, adding chemicals into water for treatment baths and biological control, such as using cleaner wrasse to remove lice from farmed salmon.

But sometimes the cleaner wrasse eats more than just worms.

This species has been observed being attended by cleaner shrimp (Leander urocaridella, Stenopus hispidus) and bluestreak cleaner wrasse (Labroides dimidiatus).

So lizardfish visit the cleaner wrasse, which clean the parasites from the skin, gills and mouth.

In this behaviour cleaner shrimps resemble cleaner fish, and sometimes actually may be seen to join cleaner wrasse and other cleaner fish attending to client fishes.

The sabre-toothed blenny Aspidontus taeniatus is a blenny that mimics the ritualised dance the cleaner wrasse makes when passing fish swim by.

It mimics Labroides dimidiatus, the cleaner wrasse, and feeds on the fins of fish that mistake it for the cleaner wrasse.

The cleaner wrasse, a fish that cleans other fish and its environment, was the logical model for Smith's character Oscar, a Whale Wash worker.

Sometimes, cleaer shrimp join cleaner wrasse and other cleaner fish.

The señorita is a cleaner wrasse, a fish that grooms the parasites and other materials off the bodies of other fish.