How many nostrils do African cichlids fish have in total?

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https://
metode.org/metodes-whys-and-wherefores/why-do-fish-have-nostrils-if-they-cant-smell-in-the-water.html

"The features that distinguish them from the other families in Labroidei include:

A single nostril on each side of the forehead, instead of two"