Schooling fish can range from a tightly packed group of glassfish to an enormous school of barracuda in their thousands, so there are many things to consider when approaching this subject. One thing that is normally consistent is that schools of fish generally look good when facing the same direction. Nobody likes a messy looking school.

For the rest of this article (Scuba Diver Ocean Planet Issue No. 106/2017) and other stories, check out our past issues here or download digital copy here.

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