Description
Clarkii Clownfish – Amphiprion clarkii
Amphiprion clarkii, commonly known as the Clarkii Clownfish or Yellowtail Clownfish, is one of the most widespread and adaptable clownfish species. Recognized by its bold black body, white vertical bars, and bright yellow fins, the Clarkii displays striking color variations depending on region and age. Hardy, active, and highly compatible with multiple anemone species, it is a robust and rewarding choice for both beginner and experienced aquarists.
Origin: Indo-Pacific – from the Red Sea and East Africa to Japan, Indonesia, and the Great Barrier Reef
Depth: 1–60 m (3–200 ft)
Lighting: Moderate
Flow: Moderate; prefers stable, reef-like conditions
Tank Placement: Middle to lower regions; often found near or within host anemones
Temperature: 75–80°F (24–27°C)
Salinity: 1.022–1.026 SG
pH: 8.1–8.4
Diet: Omnivorous – consumes marine pellets, mysis shrimp, finely chopped seafood, and enriched frozen foods
Temperament: Semi-aggressive; can be territorial once paired or established
Size: Up to 15 cm (6 inches)
Care Level: Easy – extremely hardy and adaptable
Compatibility: Suitable for both community and reef aquariums; may be housed with compatible clownfish species only in very large systems
