Goldfish plants are easy to maintain. They prefer moderate temperatures (65–75°F) and flourish in bright, indirect light. Keep the soil consistently moist but not waterlogged, and reduce watering in winter. High humidity helps, so mist leaves or use a pebble tray. Fertilize monthly during growing season, prune spent flowers to encourage blooms, and watch for pests like aphids or spider mites. These plants can brighten any interior space with their vivid, goldfish-shaped flowers when given the right care.