Clarion Angelfish Care Guide
Holacanthus clarionensis · Saltwater Angelfish
What Clarion Angelfish look like
The Clarion Angelfish (Holacanthus clarionensis) exhibits a striking coloration characterized by a vibrant yellow body adorned with bold blue markings, particularly around the eyes and dorsal fin. This species can reach a maximum adult size of approximately 12 inches (30 cm). Sexual dimorphism is subtle, with males typically exhibiting slightly larger dorsal fins and more pronounced coloration than females. Defensive adaptations include a robust body and the ability to retreat into crevices among reef structures when threatened. Unique morphological features include a prominent lateral line system that aids in detecting vibrations in the water, as well as specialized dentition adapted for grazing on algae and sponges, which are their primary food sources.
Behavior & temperament
The Clarion Angelfish is known for its territorial nature, often establishing a hierarchy within social groups. They are primarily found at mid to upper reef levels, where they exhibit a semi-aggressive temperament, particularly towards conspecifics and other similar-sized fish. Breeding behavior involves elaborate courtship displays, where males will showcase their vibrant colors to attract females. During the breeding season, they may become more aggressive in defending their territory. Their behavior also includes grazing on algae and sponges, which they do by using their specialized teeth to scrape food off surfaces.
Diet & feeding
The Clarion Angelfish is primarily an herbivore, feeding on a diet consisting of algae, sponges, and other benthic invertebrates. In captivity, they require a varied diet that includes high-quality marine algae, spirulina, and prepared angelfish foods to ensure optimal health.
Behind the name
The scientific name Holacanthus clarionensis derives from the Greek 'holos' meaning 'whole' or 'entire', and 'akantha' meaning 'thorn', referring to the spiny structure of the dorsal fin, while 'clarionensis' indicates its origin from the Clarion Island.
Plan your tank
Check the numbers before you buy: tank volume, salinity, salt mix, water changes, and your ongoing care routine.
Keeping Clarion Angelfish?
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