The Harlequin Tuskfish is a spectacular saltwater fish known for its vibrant coloration, bold personality, and distinctive blue teeth. Its body features striking alternating bands of orange, white, and blue, accented by brilliant blue highlights along the fins and face. With its powerful jaws, impressive appearance, and active swimming behavior, the Harlequin Tuskfish makes an extraordinary centerpiece for a large marine aquarium.
Native to the Indo-Pacific region, including the Great Barrier Reef and surrounding reef systems, Choerodon fasciatus inhabits coral reefs, rocky areas, and reef slopes. In the aquarium, it requires plenty of open swimming space along with substantial live rock structures, caves, and hiding places. A secure aquarium lid is recommended because this species may jump when startled.
Harlequin Tuskfish are carnivorous predators with strong jaws and prominent blue canine-like teeth designed for capturing and crushing hard-shelled prey. Their diet should consist of a variety of meaty marine foods, including shrimp, krill, clam, mussels, squid, and other quality frozen seafood preparations. Offering a varied diet helps support healthy growth, strong coloration, and overall condition.
Although generally less aggressive than some other large predatory wrasses, the Harlequin Tuskfish is considered semi-aggressive and may become territorial, particularly toward similarly shaped fish. It is best housed with appropriately sized, confident tank mates such as larger tangs, angelfish, and other compatible marine species. Very small fish and delicate tank mates should be avoided.
Harlequin Tuskfish are not considered reliably reef safe with invertebrates. They may consume ornamental shrimp, crabs, snails, and other mobile invertebrates. While they generally do not target corals directly, their predatory feeding habits make them better suited for fish-only marine aquariums or carefully planned reef systems without vulnerable invertebrates.
Scientific Name: Choerodon fasciatus Common Name: Harlequin Tuskfish, Harlequin Tusk Care Level: Moderate Temperament: Semi-Aggressive Diet: Carnivore Adult Size: Approximately 10–12 Inches Minimum Tank Size: 125 Gallons Temperature: 72–78°F Reef Safe: With Caution; Not Safe with Many Ornamental Invertebrates Recommended Setup: Large Marine Aquarium with Live Rock and Open Swimming Space Origin: Indo-Pacific, Including Australia and the Western Pacific
If you're looking for a truly impressive saltwater showpiece, the Harlequin Tuskfish is an outstanding choice. Its brilliant orange and blue coloration, distinctive blue teeth, and confident personality make it one of the most recognizable and desirable wrasses in the marine aquarium hobby.
