Quote:
Originally Posted by ThRoewer
The Ecsenius species are grazers with a mouth designed to scrape film algae. Due to that they are also likely coral nippers like many grazers. Meiacanthus species are primarily planktivores and as such rather unlikely to pick on corals.
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I wonder if this applies to the Blenniella genus, as they have similarly shaped mouths and have the same behavior eating algae.