Fish Care & Species
A Practical Quarantine Routine for New Freshwater Fish
How to prepare and operate a simple quarantine aquarium, observe new fish, prevent cross-contamination, and decide when an animal is ready for the display tank.
Aquarium Education
Learning Center
Practical freshwater aquarium articles covering fish care, aquarium planning, equipment, and responsible livestock choices.
Latest articles
Recently published aquarium education.
Stocking & Compatibility
How to Plan a Freshwater Community Tank Before Buying Fish
A practical stocking workflow that starts with adult size, social groups, water conditions, swimming zones, behavior, filtration, and a realistic maintenance plan.
Aquarium Setup & Planning
How to Cycle a Freshwater Aquarium Without Sacrificing Fish
A test-driven explanation of freshwater aquarium cycling, what ammonia and nitrite results mean, and how to decide when a new tank is actually ready for livestock.
Aquarium Setup & PlanningStocking & Compatibility
Algae Attack Team: The Best Tank Cleaning Crew 2026
Meet the Algae Attack Team, Guide My Tank’s top tank-cleaning crew for 2026. Learn how these hardworking algae eaters help control buildup, clean surfaces, and support a healthier, better-looking aquarium.
Fish Care & Species
Most Popular Freshwater Aquarium Fish in 2026
A practical look at ten of 2026's most popular freshwater aquarium fish, why aquarists choose them, and the care requirements beginners should understand before buying.
Latest Guides
Recently published comparisons and planning Guides.
Stocking & Compatibility
Betta vs Guppy: Care, Tank Setup, and Compatibility Compared
A detailed comparison of Betta splendens and guppies covering adult size, social structure, water overlap, aquarium setup, feeding, reproduction, behavior, and the risks of keeping them together.
Stocking & Compatibility
Amano Shrimp vs Bristlenose Pleco: An Algae Eater King?
Compare Amano Shrimp and Bristlenose Plecos to see if they can live together and which is the better algae eater for your aquarium. Explore their algae eating ability, tank size, care requirements, water parameters, diet, temperament, and compatibility.