More info
Datasheet
| Minimum Tank Size | 300 litres / 79.25 US gallons |
| Maximum Size | 15.0cm / 5.91inches |
| Reef Compatible | Reef safe with luck |
| Temperament | Mostly peaceful but might be aggressive towards similar species of same gender |
| 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 Japanese Butterflyfish, scientifically known as Chaetodon nippon, belongs to the Chaetodontidae family. These fish are part of a complex within the Chaetodon genus, with variations in color, pattern, and specific needs. They originate from the Western Pacific region, specifically from Japan to the Philippines.
Aquarium Suitability
Japanese Butterflyfish are considered suitable for most aquariums, provided they are well-established with sufficient space for swimming and hiding places, such as live rocks. They can coexist with their own species if introduced simultaneously, although they may exhibit initial shyness. A varied diet is essential for their well-being, including macroalgae, microalgae, and small crustaceans.
Demands, Care, and Hardiness
These fish are hardy with a preference for well-maintained tanks rich in algae for grazing. They require feeding several times a day, especially upon introduction to a new environment. Japanese Butterflyfish can be initially shy and should be introduced to more aggressive tank mates only after acclimatization.
Reef Suitability
Reef compatibility of Japanese Butterflyfish varies, with them generally considered reef safe with some luck. However, they may nibble on clams and exhibit a liking for tubeworms, posing a risk to certain coral species.
Aquarium Setup
For a successful aquarium setup, it is crucial to provide hiding spots and ample swimming space, along with a diet rich in algae and small crustaceans. Maintaining proper water conditions with a pH of 8.1-8.4, a specific gravity of 1.020-1.025, and a temperature range of 22.2-25.6°C is vital for their well-being.
Behaviour
Japanese Butterflyfish are mostly peaceful but can show aggression towards similar species of the same gender. They tend to ignore other fish species while cohabiting peacefully with multiple Butterflyfish, except for potential territorial disputes among similar species.
Feeding and Diet
Their diet should consist of macroalgae, microalgae, and small crustaceans like krill, mysis, and artemia. They require frequent feeding and may initially resist alternative foods, necessitating a focus on mimicking their natural feeding behaviors for successful nutrition.
Dimorphism and Captive Reproduction
No specific information provided regarding dimorphism or captive reproduction of Japanese Butterflyfish.
Habitat and Distribution
In the wild, these fish inhabit the waters around Japan and the Central/West Pacific region. Their natural habitat includes reefs, where they feed on soft corals, LPS corals, anemones, tubeworms, and bristleworms. Selecting appropriate species according to desired coral compatibility is crucial if integrating them into a coral-centric aquarium.