Scientific fishkeeping and troubleshooting
Immerse yourself in scientific research, experiments, troubleshooting, and philosophical musings about fishkeeping: the living networks in our aquariums that extend into our homes, and beyond.
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- Do Fish Need Rocks: Pros and Cons of Lava Rock
Rocks come in many shapes, texture, and colors. Stacking them… - How to Stop Fish Bullying Other Fish: Working Tactics
Fish are beautiful and calming creatures. Until they aren’t. Some… - How to Choose Substrate for Aquarium: A Working Framework
Substrate is the very foundation of an aquarium. The bottom…
Resources for Beginner Fishkeepers
Can a betta live in a bowl? Is the complete setup from the LFS OK? What is LFS?
Illness & Water Conditions
White spot disease is the most common ailment, but it isn’t related to cloudy water.
Fish Care Guides and Breeding Tips
Learn how to take care of specifc fish, how to breed and rear them, and what tankmates work best.
Advanced Setups & Aquascaping
Learn about advanced high-tech and low-tech aquariums. Experiment with different scapes.
Plants, Substrate, and Natural Filtration
Learn about what water plants need, which species go together, and how they filter the aquarium water.
Snails, Shrimp & Microfauna
Learn about snails, crustaceans, and the microorganisms that create balanced ecosystems.