Arc-Eye Hawkfish Care Guide
Paracirrhites arcatus · Saltwater Hawkfish
What Arc-Eye Hawkfish look like
The Arc-Eye Hawkfish, scientifically known as Paracirrhites arcatus, exhibits a distinctive morphology characterized by its elongated, laterally compressed body, which can reach a maximum adult size of approximately 5 inches (12.7 cm). This species is notable for its vibrant coloration, typically displaying a base hue of reddish-brown to orange, adorned with irregular white spots and a prominent dark spot at the base of the dorsal fin. Sexual dimorphism is subtle, with males generally exhibiting slightly larger sizes and more pronounced coloration than females. A unique feature of this species is its large, expressive eyes, which are adapted for keen vision in its reef habitat. The dorsal fin is long and continuous, with spiny and soft rays that provide both stability and maneuverability, while the pectoral fins are broad and allow for agile swimming. The lateral line is well-developed, aiding in the detection of water movements and potential prey.
Behavior & temperament
The Arc-Eye Hawkfish is known for its semi-aggressive temperament, often establishing a dominant position within its territory among reef structures. It typically occupies the upper levels of the reef, perching on ledges or corals where it can survey its surroundings. This species exhibits a solitary or pair-forming behavior, with males displaying courtship rituals that include elaborate swimming displays and fin extensions to attract females during breeding. While generally not overly aggressive, it can exhibit territorial behavior towards intruders, particularly during breeding seasons. The feeding behavior is opportunistic, with individuals often seen hovering above the substrate, darting out to capture small crustaceans and other prey items.
Diet & feeding
The Arc-Eye Hawkfish is primarily carnivorous, feeding on small crustaceans, zooplankton, and small fish in the wild. In captivity, it thrives on a varied diet that includes high-quality frozen or live foods such as shrimp, mysis, and finely chopped fish.
Behind the name
The genus name 'Paracirrhites' derives from the Greek 'para' meaning 'beside' and 'cirrhis' meaning 'tentacle', while the species name 'arcatus' is derived from the Latin 'arcus', meaning 'arch' or 'curve', likely referring to the shape of its dorsal fin.
Plan your tank
Check the numbers before you buy: tank volume, salinity, salt mix, water changes, and your ongoing care routine.
Keeping Arc-Eye Hawkfish?
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