Longfinned bullseye (Cookeolus japonicus) is a saltwater species recorded in Hong Kong, Taiwan, United States. It is mainly found over reef, at depths of 40–400 m. The main season in Hong Kong, Taiwan, United States runs spring, summer.
Scientific name: Cookeolus japonicus · Water: Saltwater · Season: Spring, Summer
Size: up to 69 cm
The longfinned bullseye is a priacanthid of deep water: it is commonly found between 165 and 260 m over hard bottoms, in rocky holes and ledges, down to about 400 m, and it prefers spots with rich sponge and soft coral growth. Its juveniles are pelagic, a completely different life from the adults. It is solitary and feeds on pelagic crustaceans. Commonly about 30 cm and up to 69 cm total length, living 9 years. In season in summer, and IUCN lists it as Least Concern.
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