Dragon Wrasse (Novaculichthys Taeniourus)
Dragon Wrasse (Novaculichthys Taeniourus)
The Dragon Wrasse (Novaculichthys taeniourus), also known as the Rockmover Wrasse or Reindeer Wrasse in its juvenile stage, is a captivating and active marine species renowned for its dramatic visual transformation and dynamic behavior. Reaching up to 30 cm in length, this Indo-Pacific native requires a spacious aquarium with a tight-fitting lid to prevent jumping and a deep sand bed of 7.6–10.2 cm for sleeping and protection.
Known for systematically rearranging substrate and flipping rubble in search of prey, this carnivore thrives best in a Fish Only With Live Rock (FOWLR) system with stable, secure structures. It should be fed a varied diet of meaty foods such as mysis, krill, and chopped seafood, and housed alongside robust, assertive tankmates like tangs, triggers, and marine angelfish.
Key Features
| Scientific Name | Novaculichthys taeniourus |
| Common Name | Dragon Wrasse |
| Other Common Names | Rockmover Wrasse, Reindeer Wrasse, Striped Wrasse |
| Origin | Indo-Pacific |
| Max Size | 30 cm |
| Diet | Carnivore |
| Temperament | Semi-Aggressive / Assertive |
| Reef Safe | No |
| Minimum Tank Size | 454 L |
| Substrate Requirement | Deep Sand Bed (7.6–10.2 cm) |
Highlights
- Diet: This wrasse is a dedicated carnivore with a high metabolism. In the wild, it consumes a wide variety of small, benthic invertebrates such as snails, crabs, shrimp, worms, and brittle stars. In captivity, it requires a varied diet of meaty foods fed several times a day, including frozen mysis shrimp, krill, enriched brine shrimp, and chopped seafood like clam, mussel, and table shrimp.
- Rock-Moving Behavior: Live rock should be placed directly on the bottom glass before adding any sand to prevent the fish from undermining the structure and causing a rock slide. This fish is known for its active foraging behavior.
- Reef Compatibility: This species is not reef safe. The Dragon Wrasse will actively hunt and consume ornamental and cleanup-crew invertebrates, including snails, shrimp, crabs, and sea stars. Its habit of flipping rocks and coral rubble makes it unsuitable for maintaining a pristine reef environment. It is best suited for a Fish Only With Live Rock (FOWLR) system.
- Temperament: This species is semi-aggressive to assertive. While juveniles are generally docile, adults can be assertive and territorial and assertive. They should be housed with similarly sized, robust, and moderately aggressive tankmates such as large Tangs, Triggerfish, Groupers, and marine Angels. It is best kept singly, as it may become aggressive towards other wrasses or its own species.
Compatibility
Best suited for Fish Only With Live Rock (FOWLR) setups. House with similarly sized, robust species such as large tangs, triggerfish, groupers, and marine angelfish. Avoid housing with ornamental invertebrates or small, docile fish.
Frequently asked questions
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