More info
Datasheet
| Minimum Tank Size | 300 litres / 79.25 US gallons |
| Maximum Size | 12.0cm / 4.72inches |
| Reef Compatible | Not reef safe |
| Temperament | Mostly peaceful but might be aggressive towards similar species |
| Temperature | 22.2°C / 71.96°F - 25.6°C / 78.08°F |
| Specific Gravity | 1.020-1.025 |
| Carbonate Hardness | 8-12 |
| pH | 8.1-8.4 |
General Description
The Sunset Butterflyfish, scientifically classified as Chaetodon pelewensis, belongs to the Chaetodontidae family and is known for its vibrant patterns and colors. This species is part of a group known as a "complex," where species within the Chaetodon genus share striking resemblances but may have specific requirements depending on their origins.
Aquarium Suitability
The Sunset Butterflyfish is deemed suitable for aquariums but with caution. It can coexist as a pair if introduced simultaneously and requires hiding spots such as live rocks. Adequate space for swimming is essential due to its active nature. This species demands a varied diet, including small crustaceans and zooplankton.
Demands, Care, and Hardiness
Being of average hardiness, this butterflyfish species thrives in water conditions with a pH range of 8.1-8.4, a specific gravity of 1.020-1.025, and a temperature between 22.2-25.6°C. It requires a minimum tank size of 300 liters and a diet comprising large polyp stone coral (LPS), small polyp stone coral (SPS), and soft coral.
Reef Suitability
The Sunset Butterflyfish is not considered reef safe due to its feeding habits. It may nibble on clams, including Tridacna species, and has a preference for tubeworms, making it unsuitable for reef environments.
Aquarium Setup
When setting up an aquarium for the Sunset Butterflyfish, it is paramount to provide numerous hiding places like live rocks and sufficient space for swimming. Maintaining proper water parameters consistent with its natural habitat in the Central and West Pacific regions is crucial for its well-being.
Behaviour
Typically peaceful, the Sunset Butterflyfish may display aggression towards similar species if not kept as a couple. It largely ignores other fish and can coexist peacefully with multiple butterflyfish, emphasizing the importance of cautious species selection and introduction.
Feeding and Diet
This species feeds on a variety of foods, including small crustaceans such as krill and zooplankton like cyclops. Replicating its natural diet in captivity is essential for its health, as it may be challenging to acclimate and feed initially.
Habitat and Distribution
In the wild, the Sunset Butterflyfish can be found in the Pacific Ocean, spanning from Australia to regions like Fiji, Samoa, Tuamoto Archipelago, and the Society Islands. Its habitat includes areas with ample access to coral reefs rich in LPS and SPS corals, which form a significant part of its diet.