Last update: May 8, 2024

Why Do Betta Fish Flare Their Gills? A Comprehensive Guide to Betta Behaviors

Among the many fascinating behaviors of Betta splendens, gill flaring is the most iconic. When bettas flare, they appear bigger and more intimidating, even to aquarists. You’ve probably noticed your betta doing this and wondered why.  The good news is that this display is normal for bettas; the less desirable news is that that display […]