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Welcome to Aquarium Educate

Practical, no-nonsense guides on tank setup, fish care, water quality and aquascaping — written for beginners getting their first tank running and hobbyists going deeper.

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Cichlid Why Is My Oscar Fish Twitching And How To Prevent Them?

Why Is My Oscar Fish Twitching And How To Prevent Them?

Twitching in Oscar fish can be a sign of dominance or aggression. Shaking the tail and/or lower body part also indicate courtship display. Or it could be just that your Oscar is seeing its own reflection or has swallowed something that’s causing a blockage, resulting in twitching.

tranngocthuy 6 Oct 10, 2026

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Why Is My Oscar Fish Twitching And How To Prevent Them?

Why Is My Oscar Fish Twitching And How To Prevent Them?

Twitching in Oscar fish can be a sign of dominance or aggression. Shaking the tail and/or lower body part also indicate courtship display. Or it could be just that your Oscar is seeing its own reflection or has swallowed something that’s causing a blockage, resulting in twitching.

tranngocthuy Oct 10, 2026
Why Is My Oscar Fish Laying On Its Side?

Why Is My Oscar Fish Laying On Its Side?

If your Oscar fish is leaning quite heavily on its side, it can be due to stress, higher ammonia or nitrite levels, pH imbalance, temperature swings, swim

tranngocthuy Oct 10, 2026
Why Is My Molly Fish Eye Bulging (Popeye)?

Why Is My Molly Fish Eye Bulging (Popeye)?

For any aquarist, nothing is scarier than watching aquarium fish in pain or injured. If you have molly fish in your tank, there are some common diseases or

tranngocthuy Oct 10, 2026
What To Feed Mystery Snails: A Quick Guide

What To Feed Mystery Snails: A Quick Guide

Mystery snails should be fed blanched, calcium-rich vegetables such as green beans, broccoli, cucumbers, zucchini, peas, etc. Weekly, you can treat them with

tranngocthuy Oct 10, 2026
Molly Fry Food: A Helpful Guide For Beginner’s

Molly Fry Food: A Helpful Guide For Beginner’s

Typically, you can feed your molly fry (baby molly fish) various foods throughout its development, like infusoria, baby brine shrimp, high-quality crushed flakes, freeze-dried foods, worms, and pellets. Some of the foods must be fed before others, depending on your molly fry's age.

tranngocthuy Oct 10, 2026
How To Tell If A Molly Fish Is Dying And What To Do?

How To Tell If A Molly Fish Is Dying And What To Do?

In order to tell if a molly fish is dying, you can look for some obvious signs. A dying molly fish shows signs such as lack of appetite, popeye, swollen gills, lethargic behavior, a change in coloration, clamped fins, white specks on its skin, fins falling off, strange behavior such as sitting at the bottom, etc.

tranngocthuy Oct 10, 2026