The Fish Care is a blog dedicated to everything about fish and aquariums. We share helpful tips, care guides, product reviews, and expert advice to help fish lovers keep healthy and thriving aquatic pets.
Velvet Disease in Fish – Symptoms, Causes and Treatment Guide
Velvet disease (also called gold dust or rust disease) is a parasitic infection caused by tiny dinoflagellates, Piscinoodinium in freshwater and Amyloodinium in saltwater.…
Fish Tuberculosis – Symptoms, Causes and Treatment
Fish tuberculosis, also called mycobacteriosis, is a chronic bacterial infection caused by Mycobacterium marinum and related species. It causes wasting, spinal deformities, skin ulcers,…
Goldfish vs Koi – Size, Care and Lifespan Compared
Goldfish and koi are both members of the carp family, but they are different fish and don’t need the same amount of space. Koi…
Comet Goldfish – Complete Guide to Care, Size and Behavior
The comet goldfish is a hardy, single-tailed goldfish with a slim body and a long, deeply forked tail. It often reaches 10 to 12…
How to Breed Goldfish – The Complete Goldfish Breeding Guide
Goldfish breed by external spawning. Once water temperature rises and daylight hours lengthen, a mature female releases hundreds to thousands of eggs into a…
How to Take Care of a Goldfish – Complete Guide for Beginners
A healthy goldfish needs a properly cycled tank of at least 20 gallons for one single-tail goldfish (more for fancy varieties), stable water parameters…
Why Is My Goldfish Turning White? Causes and Fixes
Most goldfish turn white for one of four reasons: natural aging or genetics, a lack of pigment-building food or light, stress from poor water…
Goldfish Water Temperature – The Complete Guide to Ideal Ranges
The ideal water temperature for most goldfish is between 65°F and 72°F (18°C to 22°C). Common, comet, and shubunkin goldfish tolerate a wider cold-water…
Goldfish Tank Setup – Complete Guide to the Best Aquarium
A healthy goldfish tank setup starts with a filtered aquarium of at least 20 gallons for a single fancy goldfish or 30 to 40…
Why Do Fish Jump Out of Water? Scientific Reasons
Fish jump out of water mainly because something in their environment feels wrong. The two biggest triggers are poor water quality (ammonia, nitrite, or…
