The Arc Eye Hawkfish is also known as Arc-Eyed Hawkfish that has horseshoe-shaped mark behind the eye, which makes it a most beautiful fish in a tank. It lacks swim bladder that spends most of its time perching on corals, or watching prey. The Arc Eye Hawkfish should be the last fish introduced into the tank community. It becomes territorial, and will harass new additions to the tank including other hawkfish and larger fish. The Arc Eye Hawkfish is not that safe to keep in a reef tank, since it eats up crabs, shrimp, anemones, and smaller fish. It forms territorial harems, with one male defending a territory with multiple females and juveniles. Tanks of a minimum 30 gallon provides a good environment for these fishes. The Arc Eye Hawkfish thrives well in a temperature range of 71-74 degrees Fahrenheit and pH of 8.3-8.4. It is carnivores and chiefly feeds on bottom-dwelling invertebrates and zooplanktons. When threatened, the Arc Eye Hawkfish takes shelter between the branches of the stony corals on which it perches. Juveniles live in small heads of coral, often within the boundaries of male territories. The diet should mainly consist of a variety of marine meats and live feeder shrimp. The Arc Eye Hawkfish is easy to care that makes it a good fish for a beginner aquarist.
As an adult this fish is a tan to reddish-tan color, with a vertical white band on its side from mid-body to the tail. There is an interesting U-shaped patch behind the eye bordered by three colors, which is why it has the name "Arc-Eye" Hawk. It also gets its name from the hunting trait that it uses similar to that of a hawk. This fish will grow to about 5 inches.Provide rockwork for this hawkfish to perch on. This hawkfish will also perch on coral heads, and may cause slight damage to the coral from resting on it.In its natural habitat this fish eats small shrimp and crabs, but also may eat small fish. Don't be fooled by the small size of this fish, its mouth opens wider than you think! Keep with fish of similar size or larger.Offer enriched mysis, frozen carnivore diet, finely chopped shrimp and clam.