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Clark's Clownfish
Clownfish

Clark's Clownfish

Amphiprion clarkii

Clark's clownfish is one of the largest and hardiest anemonefish, a bold, active swimmer that ranges more widely from its host than most clowns. It is the least fussy about anemones, accepting nearly any of the ten host species, but it grows territorial and semi-aggressive with age, so it is best added last and paired rather than crowded with other clownfish. Colour is variable across its range — typically a dark body crossed by two or three white bars with bright yellow-orange fins and a pale tail.

Temperament
Semi-aggressive
Max size
5.5"
Min tank
30 gal
Reef-safe
Reef safe
Diet
Omnivore
Zone
Mid-water, Rockwork
Keep one or a bonded pair.
Symbiosis · Hosts an anemone.
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Tankmates

How Clark's Clownfish gets on with the rest of the reef, checked pair by pair by the same engine as the live pre-flight.

Best kept apart

A real clash — aggression, predation or a same-genus fight.

Maroon ClownfishClark's Clownfish and Maroon Clownfish are the same genus (Amphiprion) and will fight — keep only one.Volitans LionfishVolitans Lionfish has a big enough mouth to eat the much smaller Clark's Clownfish.Snowflake MoraySnowflake Moray has a big enough mouth to eat the much smaller Clark's Clownfish.Zebra MorayZebra Moray has a big enough mouth to eat the much smaller Clark's Clownfish.Chainlink MorayChainlink Moray has a big enough mouth to eat the much smaller Clark's Clownfish.Clown TriggerfishClown Triggerfish has a big enough mouth to eat the much smaller Clark's Clownfish.Miniata GrouperMiniata Grouper has a big enough mouth to eat the much smaller Clark's Clownfish.Panther GrouperPanther Grouper has a big enough mouth to eat the much smaller Clark's Clownfish.Spanish HogfishSpanish Hogfish has a big enough mouth to eat the much smaller Clark's Clownfish.

Keep an eye on these

Usually fine, but worth watching in a smaller tank.

Blue DamselClark's Clownfish and Blue Damsel both claim the same part of the tank and may squabble.Yellowtail DamselClark's Clownfish and Yellowtail Damsel both claim the same part of the tank and may squabble.Flame AngelfishClark's Clownfish and Flame Angelfish both claim the same part of the tank and may squabble.Coral Beauty AngelfishClark's Clownfish and Coral Beauty Angelfish both claim the same part of the tank and may squabble.Lemonpeel AngelfishClark's Clownfish and Lemonpeel Angelfish both claim the same part of the tank and may squabble.Bicolor AngelfishClark's Clownfish and Bicolor Angelfish both claim the same part of the tank and may squabble.Red Saddleback ClownfishClark's Clownfish and Red Saddleback Clownfish both claim the same part of the tank and may squabble.Yellow TangClark's Clownfish and Yellow Tang both claim the same part of the tank and may squabble.Red Sea ClownfishClark's Clownfish and Red Sea Clownfish both claim the same part of the tank and may squabble.Sailfin TangClark's Clownfish and Sailfin Tang both claim the same part of the tank and may squabble.Purple TangClark's Clownfish and Purple Tang both claim the same part of the tank and may squabble.Powder Blue TangClark's Clownfish and Powder Blue Tang both claim the same part of the tank and may squabble.Matted FilefishClark's Clownfish and Matted Filefish both claim the same part of the tank and may squabble.Yellow Clown GobyClark's Clownfish (semi-aggressive) is much larger than the peaceful Yellow Clown Goby and may harass it.Green Clown GobyClark's Clownfish (semi-aggressive) is much larger than the peaceful Green Clown Goby and may harass it.Convict TangClark's Clownfish and Convict Tang both claim the same part of the tank and may squabble.Tomato ClownfishClark's Clownfish and Tomato Clownfish both claim the same part of the tank and may squabble.Canary BlennyClark's Clownfish and Canary Blenny both claim the same part of the tank and may squabble.Forktail BlennyClark's Clownfish and Forktail Blenny both claim the same part of the tank and may squabble.Achilles TangClark's Clownfish and Achilles Tang both claim the same part of the tank and may squabble.