Dragon Wrasse Care Guide

Novaculichthys taeniourus · Saltwater Wrasse

Dragon Wrasse
AI-generated illustration of Dragon Wrasse
Adult size
~11.8″ (30 cm)
Suggested tank
55+ gal
Placement
Lower to Middle
Flow
Medium

What Dragon Wrasse look like

The Dragon Wrasse (Novaculichthys taeniourus) exhibits a strikingly elongated body, reaching a maximum adult size of approximately 12 inches (30 cm). Its coloration is predominantly a vibrant greenish-blue with intricate patterns of yellow and white stripes that run longitudinally along its body, providing effective camouflage among the reef substrate. Sexual dimorphism is subtle, with males typically displaying more vivid coloration and larger dorsal fins compared to females. The species possesses a robust, elongated head with a pronounced mouth adapted for feeding on benthic invertebrates, featuring conical teeth suited for grasping prey. Notably, the Dragon Wrasse has a unique ability to change its color intensity, which may serve as a form of communication or a defensive adaptation against predators. Additionally, it has a well-developed lateral line system that aids in detecting vibrations in the water column.

Behavior & temperament

The Dragon Wrasse is known for its solitary and territorial behavior, often establishing a defined home range within the reef environment. It typically inhabits rocky substrates and coral reefs, where it can be observed swimming at various levels, primarily near the bottom. During breeding, males exhibit courtship displays characterized by vibrant color changes and elaborate swimming patterns to attract females. The species is generally considered semi-aggressive, particularly towards conspecifics and other wrasses, but can coexist peacefully with larger tank mates. Its feeding behavior involves foraging among rocks and crevices, where it utilizes its agile body to access hidden prey, primarily crustaceans and small mollusks.

Diet & feeding

The Dragon Wrasse is primarily carnivorous, feeding on a diet of benthic invertebrates such as crustaceans and small mollusks. In captivity, it requires a varied diet that includes high-quality frozen or live foods, such as shrimp, clams, and other meaty offerings.

Behind the name

The genus name 'Novaculichthys' is derived from Latin, where 'novacula' means 'razor', referring to the fish's sharp, elongated body shape, and 'ichthys' means 'fish'. The species name 'taeniourus' comes from Greek, where 'tainia' means 'ribbon' and 'oura' means 'tail', likely referring to the ribbon-like appearance of its tail fin.

Plan your tank

Check the numbers before you buy: tank volume, salinity, salt mix, water changes, and your ongoing care routine.

Keeping Dragon Wrasse?

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