Sun corals (Tubastraea spp.) exhibit a natural feeding response to reduced water flow, extending their polyps during low-current periods. This behavior is not a Pavlovian reaction but reflects their preference for environments with minimal water movement, resembling their native habitats. If your sun corals open more during feeding when pumps are off, it suggests they thrive in low-flow conditions. Adjust their placement accordingly, creating an environment that mimics their natural setting and enhances their feeding behavior and overall health. Targeted feeding during low-flow periods can further support their nutritional needs.
Sun corals, also known as Tubastrea, are beautiful and fascinating corals often chosen by reef aquarium enthusiasts. Proper placement is crucial for their health and the health of your overall reef ecosystem. Here are some tips:
Low Light and Low Flow: Sun corals are non-photosynthetic, which means they do not rely on symbiotic algae for nutrition. Instead, they feed on plankton and small organisms. Therefore, they don't need intense lighting. In fact, they prefer low to moderate light levels. Similarly, they don't do well in high flow areas, as it can inhibit their feeding.
Secure Placement: Sun corals should be placed on a stable surface, such as live rock or a coral mount. Make sure they are securely attached, as they can detach and fall if not properly anchored.
Feeding Accessibility: Since sun corals are nocturnal feeders, they should be placed in an area where they can extend their polyps freely without being disturbed during the night. This means avoiding areas with heavy traffic or aggressive tank mates that might nip at their polyps.
Distance from Other Corals: Sun corals have sweeper tentacles that they use to catch food. These tentacles can sting nearby corals, so it's important to place them with enough distance from other corals to prevent any damage.
Water Quality: Ensure good water quality parameters, including stable temperature, pH, and salinity. Regular water changes and monitoring are essential for the health of all corals, including sun corals. FMWhatsApp
Observation: Keep a close eye on your sun corals after placement. Watch for signs of stress or aggression from other tank inhabitants. Adjust their placement if necessary to ensure their well-being.
By following these guidelines, you can provide an optimal environment for your sun corals to thrive in your reef aquarium.
Sun corals (Tubastraea spp.) extend their polyps during low-current periods, preferring low-flow environments; adjust their placement and feeding to mimic their natural habitat for better health.
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