Betta Fish Flaring Their Gills: Causes, Behavior, and Concerns Explained
Betta fish flare their gills and fins to show aggression or dominance. They do this when they sense a perceived threat, especially from another betta. This behavior acts as a scare tactic to mark their territory. Flaring also signals their readiness to defend their space during reproduction or confront rivals. Additionally, betta fish may flare … Read more