Guppy Learning Center
HiGuppy Blog
Practical guppy care, breeding, tank setup, and live-shipping guidance from experienced breeders—written to help your fish thrive before and after they arrive.
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Do Guppies Sleep? Normal Rest vs Warning Signs
Guppies rest during darkness with their eyes open. Learn what normal night behavior looks like and which changes deserve a closer check.
| by HiGuppy Team
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Best Substrate for Guppy Tanks: Gravel, Sand or Bare Bottom?
Compare gravel, sand, planted substrate and bare-bottom guppy tanks by cleaning, plant support, fry use, quarantine practicality and beginner setup needs.
| by HiGuppy Team
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Guppy Tank Lighting Schedule: How Much Light Do Guppies Need?
Use a simple guppy tank lighting schedule with a timer, a real dark period, and practical adjustments for plants, algae, room light and new arrivals.
| by HiGuppy Team
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Overfeeding Guppies: Signs, Water Problems & Simple Fixes
Overfeeding guppies can increase waste, cloud water, overload filtration and contribute to ammonia or bloating. Learn the signs and how to correct feeding without overreacting.
| by HiGuppy Team
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Red Gills on Guppies: Causes, Warning Signs & What to Check First
Red gills on guppies can reflect ammonia, nitrite, chlorine irritation, low oxygen, heat, parasites, or normal visible gill tissue. Use this checklist to tell what needs attention first.
| by HiGuppy Team
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Why Is My Guppy Hiding? Causes, Stress Checks & What to Do
A guppy may hide because of new-arrival stress, bullying, unstable water, low oxygen, pregnancy, injury, or illness. Use this symptom-first checklist to find the likely cause.
| by HiGuppy Team
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Guppy Bullying Signs: Chasing, Stress & How to Stop It
Learn the difference between normal guppy chasing and bullying, including hiding, missed meals, stress and fin damage, plus practical ways to reduce pressure.
| by HiGuppy Team
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Bloated Guppy: Pregnancy, Overfeeding or Health Problem?
A swollen guppy may be pregnant, overfed or unwell. Compare several signs and check water quality before guessing.
| by HiGuppy Team
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Skinny Guppy: Why Your Guppy Looks Thin & What to Check
A skinny guppy may be missing food, bullied, stressed, ill, parasitized, aging, or losing condition for another reason. Use this step-by-step troubleshooting guide.
| by HiGuppy Team
