Your Fishkeeping Starts Here
Honest equipment reviews, step-by-step setup guides, and species care sheets — everything you need to keep your fish happy and healthy.
12 Guides
Setup & Care
5 Species Profiles
Detailed Care Cards
Honest Reviews
Lab Tested Gear
Free for You
No extra cost to you
Editor's Picks
Editor's Choice Corydoras Tank Size: How Many Corydoras in a 20 Gallon Tank?
How many corydoras fit in a 20 gallon tank? FishBase's 60 cm minimum, the six-fish group floor, and how to measure the tank you already own.
Editor's Choice Pea Puffer Tank Size: How Many Gallons Do They Need?
Pea puffer tank size compared: the 5, 10 and 20 gallon tiers, how much floor you need, and which published stocking rule each number comes from.
Editor's Choice Can Betta Fish Live With Shrimp? Compatibility Guide
Yes, with caveats — most bettas coexist with Amano or ghost shrimp in 10+ gallon planted tanks. Ranked 5 species, setup rules, attack-rate reality.
Meet Your Next Fish
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Pea Puffer Care: Tank Size, Diet, Lifespan & Tank Mates
Discus Fish: Complete
Bristlenose Pleco
New to Fishkeeping?
Start your journey here with foundational knowledge and simple steps.
Setting Up Your Tank?
Step-by-step technical guides for a flawless aquarium installation.
Something Wrong?
Emergency diagnostic tools and critical health intervention guides.
Latest Professional Guides
Corydoras Tank Size: How Many Corydoras in a 20 Gallon Tank?
How many corydoras fit in a 20 gallon tank? FishBase's 60 cm minimum, the six-fish group floor, and how to measure the tank you already own.
Nov 3
Pea Puffer Tank Size: How Many Gallons Do They Need?
Pea puffer tank size compared: the 5, 10 and 20 gallon tiers, how much floor you need, and which published stocking rule each number comes from.
Nov 2
Can Betta Fish Live With Shrimp? Compatibility Guide
Yes, with caveats — most bettas coexist with Amano or ghost shrimp in 10+ gallon planted tanks. Ranked 5 species, setup rules, attack-rate reality.
Oct 18
Fish Fungus: Symptoms and How to Tell It From Columnaris
Fish fungus is usually a water mold, not a fungus. Symptoms, root causes, and a 4-condition table to rule out columnaris and ich.
Oct 2
Bristlenose Pleco Tank Size: 20 Gallons, and Why 10 Fails
Ancistrus sp. '3' needs a 60 x 30 cm base holding about 54 litres. Why 20 gallons is the working minimum and a 10-gallon tank falls short.
Oct 2
Goldfish Diseases: Symptoms, Treatment and Prevention
Common goldfish diseases explained — swim bladder, ich, fin rot, dropsy, velvet. Symptoms, treatment, and prevention guide.
Aug 3
Comprehensive Knowledge Pillars
Species
5 species guides
Care guides for betta, neon tetra, guppy, and 50+ freshwater species — database object with 22 standardized fields.
Care
10 articles
Feeding, behavior, tank mates, and general care — everything you need to keep your fish healthy.
Setup
3 articles
Tank size, plants, water quality, lighting, filtration, and gear — plan and build the perfect aquarium.
Health
3 articles
Disease identification, symptoms, and when to see a vet. Never treatment guides — YMYL safe.
Calculators & Tools
Interactive
Volume, stocking density, and fertilizer dosing engines.
Something Wrong With Your Tank?
Instant technical directions for critical aquarium emergencies. Time is of the essence.
Water Cloudy?
Likely a bacterial bloom. Stop feeding and check ammonia levels immediately.
White Spots?
Suspected Ich parasitic infection. Raise temp slowly to 82°F and start salt treatment.
Fish Not Eating?
Primary indicator of internal parasites or extreme temperature stress.
High Ammonia?
Emergency 50% water change required and dose double water conditioner.
Not sure what's wrong? Use the Symptom Diagnosis Tool
Pick the symptoms you observe and get a ranked list of likely diseases with immediate actions — takes 30 seconds.