3 themed stocking plans with exact species + counts + notes. Pick the theme that fits your goals, then verify with the stocking calculator.
Notes: Multi-tang setup. 6-foot length disrupts territorial overlap. Premium LED + flow + ICP-tested water.
Notes: Big-fish display tank. FX-series + sump + heavy filtration. Largest practical home oscar setup.
Notes: Show-quality arowana display. 72" gives the fish room to swim. Tight-fitting lid mandatory - arowana jump.
Use the stocking calculator to verify the exact species + counts work in your 125-gallon. Also check the water change calculator for ongoing maintenance, and the setup guide library for the full build playbook.
Browse all stocking idea pages from 5g nano to 180g show-tier. Or jump to the stocking blueprints for build-along plans with timelines.