Fish behavior troubleshooting (20)

20 troubleshooting articles for common fish behaviors. Each entry diagnoses the most likely causes + treatment + when to seek further help.

Why do my fish fight each other?Why do my fish keep dying?Why is my betta not moving?Why is my cichlid digging in the sand?Why is my fish at the top of the tank?Why is my fish blowing bubbles at the surface?Why does my fish have clamped fins?Why is my fish color fading?Why is my fish eating the substrate?Why is my fish flashing or scratching against rocks?Why is my fish gasping at the surface?Why is my fish hiding all the time?Why is my fish jumping out of the tank?Why is my fish laying on the bottom of the tank?Why is my fish not eating?Why is my fish turning pale?Why is my fish rubbing on rocks?Why is my fish shaking or twitching?Why is my fish swimming sideways or upside down?Why is my shrimp not molting?