How clownfish live together peacefully

This video, recorded in India, says about itself:

21 August 2012

Symbiosis, including anemonefish & clownfish. Part 18 of my DVD, “Reef Life of the Andaman“.

From ScienceNews:

In the Coral Triangle, clownfish figured out how to share

by Sarah Zielinski

11:41am, April 1, 2016

Clownfish and anemones depend on one another. The stinging arms of the anemones provide clownfish with protection against predators. In return, the fish keep the anemone clean and provide nutrients, in the form of poop. Usually, several individual clownfish occupy a single anemone — a large and dominant female, an adult male and several subordinates — all from the same species. But with 28 species of clownfish and 10 species of anemone, there can be a lot of competition for who gets to occupy which anemone.

In the highly diverse waters of the Coral Triangle of Southeast Asia, however, clownfish…