The present invention relates to an aquaponics system and method. There is provided an aquaponics system including a tank (10) for housing at least one aquatic animal species; a plant growing apparatus (18) for housing one or more plant species growing in an aqueous environment; and a biofilter module including a solids removal means (12) and a biological waste digestion unit (14) including a biological species for digesting solids to produce plant nutrients. Plant nutrients are transferred to the plant growing apparatus (18) and at least a portion of the water is returned to the tank (10).