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Maroon Clownfish
Clownfish

Maroon Clownfish

Amphiprion biaculeatus

The largest and most pugnacious of the clownfishes — a deep maroon fish with white (or gold) bars and cheek spines that give it its old genus name. A female can reach a genuine 15 cm and will dominate a tank, so it is kept singly or as a single bonded pair (a big female with a small male) and added after more peaceful fish. Hardy and reef-safe, but its temperament, not its care, is what makes it an intermediate fish.

Temperament
Aggressive
Max size
5.9"
Min tank
30 gal
Reef-safe
Reef safe
Diet
Omnivore
Zone
Mid-water, Rockwork
Keep just one per tank — two will fight.
Symbiosis · Hosts an anemone.
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Tankmates

How Maroon 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.

Percula ClownfishMaroon Clownfish (aggressive) is much larger than the peaceful Percula Clownfish and may harass it.Banggai CardinalfishMaroon Clownfish (aggressive) is much larger than the peaceful Banggai Cardinalfish and may harass it.Pajama CardinalfishMaroon Clownfish (aggressive) is much larger than the peaceful Pajama Cardinalfish and may harass it.Green ChromisMaroon Clownfish (aggressive) is much larger than the peaceful Green Chromis and may harass it.Red Saddleback ClownfishMaroon Clownfish and Red Saddleback Clownfish are the same genus (Amphiprion) and will fight — keep only one.Helfrich's FirefishMaroon Clownfish (aggressive) is much larger than the peaceful Helfrich's Firefish and may harass it.Red Sea ClownfishMaroon Clownfish and Red Sea Clownfish are the same genus (Amphiprion) and will fight — keep only one.Yasha GobyMaroon Clownfish (aggressive) is much larger than the peaceful Yasha Goby and may harass it.Tailspot BlennyMaroon Clownfish (aggressive) is much larger than the peaceful Tailspot Blenny and may harass it.McCosker's Flasher WrasseMaroon Clownfish (aggressive) is much larger than the peaceful McCosker's Flasher Wrasse and may harass it.Lubbock's Fairy WrasseMaroon Clownfish (aggressive) is much larger than the peaceful Lubbock's Fairy Wrasse and may harass it.Royal GrammaMaroon Clownfish (aggressive) is much larger than the peaceful Royal Gramma and may harass it.Chalk BassMaroon Clownfish (aggressive) is much larger than the peaceful Chalk Bass and may harass it.Orchid DottybackMaroon Clownfish (aggressive) is much larger than the peaceful Orchid Dottyback and may harass it.Mandarin DragonetMaroon Clownfish (aggressive) is much larger than the peaceful Mandarin Dragonet and may harass it.Scooter BlennyMaroon Clownfish (aggressive) is much larger than the peaceful Scooter Blenny and may harass it.Purple FirefishMaroon Clownfish (aggressive) is much larger than the peaceful Purple Firefish and may harass it.FirefishMaroon Clownfish (aggressive) is much larger than the peaceful Firefish and may harass it.Yellow Watchman GobyMaroon Clownfish (aggressive) is much larger than the peaceful Yellow Watchman Goby and may harass it.Yellow Clown GobyMaroon Clownfish (aggressive) is much larger than the peaceful Yellow Clown Goby and may harass it.

Keep an eye on these

Usually fine, but worth watching in a smaller tank.

Blue DamselMaroon Clownfish and Blue Damsel both claim the same part of the tank and may squabble.Yellowtail DamselMaroon Clownfish and Yellowtail Damsel both claim the same part of the tank and may squabble.Flame AngelfishMaroon Clownfish and Flame Angelfish both claim the same part of the tank and may squabble.Coral Beauty AngelfishMaroon Clownfish and Coral Beauty Angelfish both claim the same part of the tank and may squabble.Lemonpeel AngelfishMaroon Clownfish and Lemonpeel Angelfish both claim the same part of the tank and may squabble.Bicolor AngelfishMaroon Clownfish and Bicolor Angelfish both claim the same part of the tank and may squabble.Yellow TangMaroon Clownfish and Yellow Tang both claim the same part of the tank and may squabble.Sailfin TangMaroon Clownfish and Sailfin Tang both claim the same part of the tank and may squabble.Purple TangMaroon Clownfish and Purple Tang both claim the same part of the tank and may squabble.Powder Blue TangMaroon Clownfish and Powder Blue Tang both claim the same part of the tank and may squabble.Matted FilefishMaroon Clownfish and Matted Filefish both claim the same part of the tank and may squabble.Convict TangMaroon Clownfish and Convict Tang both claim the same part of the tank and may squabble.Canary BlennyMaroon Clownfish and Canary Blenny both claim the same part of the tank and may squabble.Forktail BlennyMaroon Clownfish and Forktail Blenny both claim the same part of the tank and may squabble.Achilles TangMaroon Clownfish and Achilles Tang both claim the same part of the tank and may squabble.Naso TangMaroon Clownfish and Naso Tang both claim the same part of the tank and may squabble.Scopas TangMaroon Clownfish and Scopas Tang both claim the same part of the tank and may squabble.Tomini TangMaroon Clownfish and Tomini Tang both claim the same part of the tank and may squabble.Azure DamselfishMaroon Clownfish and Azure Damselfish both claim the same part of the tank and may squabble.Christmas WrasseMaroon Clownfish and Christmas Wrasse both claim the same part of the tank and may squabble.