Save 10% on Live Fish at The Wet Spot with code: steenfott10

Fish Diseases

Filter by

Fish Flashing Against Decorations: Why Fish Rub Against Rocks, Wood, and Substrate
by Bob Steenfott June 09, 2026

Flashing, or rubbing against decorations, is one of the most common warning signs aquarium fish display. Learn what causes fish to flash, how to distinguish normal behavior from disease, and which symptoms can help identify the underlying problem.

Posted in Aquarium Fish Health, fish flashing, fish rubbing, fish rubbing against decorations, fish scratching, fish symptoms, flashing fish, freshwater fish disease

Read more