Pre-built stocking plan

90-gallon Mbuna Cichlid Stocking Blueprint

90-gallon Mbuna African cichlid stocking blueprint with intentional overstocking.

Setup

90-gallon (48"×18"×24"), oversized filtration, aragonite sand, holey limestone hardscape

Fish stocking

Invertebrates

Stocking timeline

Week/Phase 1Cycle 3-4 weeks (high bio-load demands more aggressive cycling)
Week/Phase 2Add ALL fish at 1.5-2" SAME DAY (juveniles minimize aggression)
Week/Phase 3Year 1: territory + breeding pairs form
Week/Phase 4Year 2: thin out aggressive males if needed

Tools for this build

Use the stocking calculator to verify, the water change calc for ongoing maintenance, and the maintenance schedule generator for printable weekly tasks.

More blueprints

Browse the full blueprint library for other tank sizes + types.