Mangroves in the Aquarium: A “How To” Care Guide. Red Mangrove – Live Rhizophora Mangle from Algae Barn. Benefits include providing filtration, acting as a barrier and haven, and having a beautiful propagule form that adds aesthetics to various aquarium setups. Must be grown in conditions suitable for reef tanks, requiring moderate to high-output lighting. They grow in a deep sand bed and need space for roots to develop.