Fish Articles

Clean a freshwater aquarium without crashing its biofilter using a partial water-change, gravel-vacuum and filter-maintenance workflow with planted-tank adjustments.

Cycle a new freshwater aquarium without fish using a test-based nitrogen-cycle workflow for ammonia, nitrite, nitrate, biological filtration, stalls and the final readiness check.

Identify eight common aquarium algae and look-alikes by color, texture, location and attachment, then connect each pattern to cycling, cleaning, lighting, plants and CO2 causes.

Choose betta fish tank mates with a behavior-first compatibility matrix covering tank size, Corydoras, kuhli loaches, rasboras, tetras, snails, shrimp and separation triggers.

Decode betta fish types by separating tail form, color, pattern and hybrid line, with guides to Halfmoon, Crowntail, Plakat, Doubletail, Veiltail, Dumbo, Giant and Alien bettas.

Build a planted freshwater aquarium by balancing light, substrate, fertilizer, plant choice, biological cycling and optional CO2, with a low-tech-first setup plan.

Build a paludarium around terrestrial, riparian and aquatic zones with leak testing, false-bottom design, filtration, aquarium cycling, plant zoning and safe shoreline access.