Common name: Japanese Dragonet
General Information
The Japanese Dragonet, scientifically known as Neosynchiropus ijimae, is a captivating marine species admired for its intricate patterns and vibrant colors. This small fish is a member of the dragonet family, which is known for its elaborate fin structures and unique appearance. While not as commonly seen in the aquarium trade as some other dragonet species, the Japanese Dragonet is prized by hobbyists for its beauty and distinctive behaviors.
The species is named after its Japanese origins, where it is found in coastal waters. Its mesmerizing patterns and colors make it a stunning addition to any marine aquarium, though it requires specific care to thrive.
Details
- Estimated price
- Moderate
- Recommended minimum tank volume
- 150 liter (40 gallons)
- Salinity
- S.G. 1.023 to 1.026
- Temperature
- 24 to 27 °C (75 to 81 °F)
- Acidity
- pH 8.1 to 8.4
- Average size
- 10 cm (4″)
- Care level
- Moderate to difficult
- Diet
- Carnivore Prefers live foods like copepods and brine shrimp
- Social
- Solo Best kept solo unless in a large tank to prevent territorial disputes
- Reefsafe
- Yes
- Aggression
- Peaceful Generally peaceful but shy; may be territorial with other dragonets
- Captive bred
- No
Taxonomy
- KingdomAnimalsAnimalia
- PhylumChordatesChordata
- ClassRay-finned FishesActinopterygii
- OrderPerch-like FishesPerciformes
- FamilyDragonetsCallionymidae
- GenusDragonetsNeosynchiropus Nalbant, 1979
- SpeciesJapanese DragonetNeosynchiropus ijimae (Jordan & Thompson, 1914)
- SynonymsNeosynchiropus ijimai (Jordan & Thompson, 1914)Synchiropus ijimae Jordan & Thompson, 1914Synchiropus ijimai Jordan & Thompson, 1914Synchiropus izimae Jordan & Thompson, 1914
- Source: GBIF | Global Biodiversity Information Facility
Care
The Japanese Dragonet is best suited for experienced aquarists due to its specialized care requirements. It thrives in well-established aquariums with plenty of live rock, which provides both a natural food source and hiding places. These fish are known to be shy and may require a quiet environment to feel secure.
A tank of at least 150 liters is recommended to accommodate their active foraging behavior and to ensure a stable environment. The tank should be equipped with adequate filtration and stable water parameters to mimic their natural habitat.
Diet and Feeding
Japanese Dragonets are carnivorous and primarily feed on small invertebrates and copepods in the wild. In captivity, they require a diet rich in live foods such as copepods, amphipods, and brine shrimp. Due to their specialized feeding habits, they may not readily accept prepared foods, making live food supplementation crucial.
Feeding should occur multiple times a day to ensure they receive adequate nutrition. Monitoring their food intake is important, as they can be slow feeders.
Behavior and Compatibility
Japanese Dragonets are generally peaceful and can coexist with a variety of other reef-safe species. However, they may be territorial with other dragonets, so it is advisable to keep only one male per tank unless it is large enough to accommodate multiple territories.
They are not aggressive but may be shy and prefer to spend time near the substrate or hiding among rocks. Providing ample hiding spots can help reduce stress and promote natural behaviors.
Health and Common Issues
With proper care, Japanese Dragonets can live for several years in captivity. They are generally hardy but can be susceptible to common marine diseases if water quality is not maintained. Regular monitoring of water parameters and ensuring a stable environment can prevent many health issues.
When selecting a Japanese Dragonet, look for individuals with vibrant colors and active foraging behavior. Avoid fish that appear lethargic or have visible signs of disease.
Habitat
The Japanese Dragonet is naturally found in the coastal waters of Japan, often inhabiting sandy or rubble substrates where it can forage for food. It prefers areas with abundant live rock and coral cover, which provide both food and protection.