More info
Datasheet
| Minimum Tank Size | 300 litres / 79.25 US gallons |
| Maximum Size | 16.0cm / 6.30inches |
| 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 Eastern Triangular Butterflyfish, scientifically known as Chaetodon baronessa, is a species belonging to the Chaetodontidae family. These fish are part of a group referred to as a "complex" due to their striking resemblance to one another. It is paramount to differentiate them, as variations in their characteristics and requirements can be significant, ranging from subtle color differences to distinct habitat preferences.
Aquarium Suitability:The Eastern Triangular Butterflyfish demands a high level of experience, preparation, and meticulous care when kept in an aquarium environment. These fish can be challenging to acclimatize and feed, primarily due to their natural inclination to consume coral polyps. Additionally, they are known to have feeding problems in captivity, often necessitating a diverse array of food options to ensure their well-being.
Care and Hardiness:Rated as of average hardiness, these butterflyfish require a 300-liter tank with ample swimming space and hiding spots among live rocks for them to thrive. They exhibit mostly peaceful behavior but may show aggression towards similar species, making it important to provide suitable companionship within the tank.
Reef Suitability:The Eastern Triangular Butterflyfish is not considered reef-safe due to its tendency to potentially nibble at clams, including species such as Tridacna, and its preference for consuming tubeworms. These feeding habits can pose a threat to coral reefs within the tank.
Aquarium Setup:For optimal care, a well-prepared aquatic environment with live corals, mussels, and zooplankton as food sources may be required initially. It is critical to provide a variety of suitable food types to assist in the acclimatization process. The aquarium should mimic their natural habitat, offering hiding places and sufficient space for swimming.
Behaviour:Eastern Triangular Butterflyfish generally exhibit peaceful behavior towards other tankmates, ignoring most fish species. However, caution is advised when keeping similar species together, unless they form a bonded pair. These fish are known for their active swimming behavior and thrive in environments with diverse hiding spots.
Feeding and Diet:The recommended diet for Eastern Triangular Butterflyfish includes small polyp stone corals (SPS). Due to their specialization in feeding on coral polyps, transitioning them to alternative foods can be challenging. Live zooplankton, crushed mussel shells, or food placed in coral skeletons can help simulate their natural feeding behaviors.
Dimorphism:Regarding dimorphism and captive reproduction, there is no specific information provided about the Eastern Triangular Butterflyfish.
Habitat and Distribution:This species is primarily found in the Western Pacific region, from the Cocos-Keeling Islands in the eastern Indian Ocean and Indonesia to Fiji and Tonga, extending north to southern Japan and south to New Caledonia and New South Wales, Australia. They are replaced by Chaetodon triangulum in the Indian Ocean.