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
Gill Flukes in Aquarium Fish: One of the Most Common Problems You Can't See
by Bob Steenfott June 09, 2026

Gill flukes are among the most common parasites found in aquarium fish, yet they're often overlooked because they live inside the gills. Learn how to identify the warning signs, understand how fish become infected, and explore effective treatment options before serious damage occurs.

Posted in aquarium fish disease, Aquarium Fish Health, Fish Breathing Rapidly, Fish Health, Fish Parasites, fish scratching, flashing fish, gill flukes

Read more