20 LIVE Mangroves - Red Mangrove Seedlings - Filtration, Aquarium, Reef, Tank, Saltwater, Aquatic, Plants 10 Red Mangrove Seedlings (Rhizophora mangle) Great for aquarium Nitrate filtration Established roots with at least two leaves and minimum 10" height Privately grown - Not harvested from public shorelines Suitable for indoor/outdoor pot planting, aquariums, and hydroponic gardens.