Do I need to buy an anemone for my Percula Clownfish?

No, an anemone is completely optional in captivity. Percula Clownfish will happily live without one and often adopt corals, rocky caves, or even aquarium equipment as their surrogate host.

How can I tell the difference between a True Percula and an Ocellaris Clownfish?

True Percula Clownfish (Amphiprion percula) generally have much thicker, bolder black margins around their white stripes compared to the Ocellaris. Additionally, Perculas usually have 10 dorsal spines, whereas Ocellaris typically have 11.

Will my clownfish change sex?

Yes, if you keep two juveniles together, the larger, more dominant fish will eventually undergo a permanent biological shift to become a female, while the smaller fish remains male.

Can I keep a group of Percula Clownfish together?

Unless you have a very large aquarium (over 400 litres) with multiple anemones, it is heavily advised to keep them singly or in a pair. In smaller setups, a group will fight, often resulting in the death of the subdominant fish.

Are they safe to keep in a reef aquarium?

Absolutely. Percula Clownfish are entirely reef-safe. They will not consume or intentionally damage your corals or ornamental invertebrates, though they may occasionally irritate a coral by trying to 'host' in it.

MarineMarineBeginner

Percula Clownfish

Amphiprion percula

A highly recognisable, vividly coloured marine fish renowned for its fascinating symbiotic relationship with sea anemones.

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Ideal Conditions

Temperature: 24 – 28 °C
pH range: 8.1 – 8.4
Hardness: 8 – 12 dGH
Salinity: 1.02 – 1.025 SG
Adult size: 6 – 11 cm
Minimum for a pair: 75 litres+
Lifespan: 10 – 20 years
Diet: Omnivore
Water flow: Moderate
Preferred setup: Reef or fish-only with live rock; host anemone optional.

About the Percula Clownfish

The True Percula Clownfish (Amphiprion percula) is an iconic marine species originating from the coral reefs of the Western Pacific Ocean. Characterised by its bright orange colouration and thick black margins bordering its white bands, it remains a beloved staple in the marine aquarium hobby. It is famously a protandrous hermaphrodite, meaning all individuals are born male, with the largest and most dominant fish transitioning into a female to lead the harem.

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Is it right for your tank?

Check Percula Clownfish against a habitat you already keep. We compare water type, temperature, pH, adult size, group needs and everything living there.

Where Percula Clownfish comes from

Native range

Western Pacific Ocean, Great Barrier Reef, Melanesia

Countries / regions

Australia, Papua New Guinea, Solomon Islands, Vanuatu

Habitat

Shallow coral reefs and sheltered lagoons, typically associated with Heteractis magnifica or Stichodactyla gigantea anemones.

Most specimens in the aquarium trade today are sustainably captive-bred rather than wild-caught.

Similar species

Ocellaris Clownfish
Amphiprion ocellaris
Tomato Clownfish
Amphiprion frenatus
Pink Skunk Clownfish
Amphiprion perideraion

We’re adding more full species guides as the catalogue grows.

Compatible tank mates

Reviewed guidance based on this species' recorded traits.

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Green Chromis
Chromis viridis
Peaceful, mid-water swimmers that will not compete with the clownfish for territory or anemones.
Great
Yellow Tang
Zebrasoma flavescens
Occupies a completely different niche and is too large to be bothered by the clownfish's territorial displays.
Great
Cleaner Skunk Shrimp
Lysmata amboinensis
Completely ignored by clownfish and provides beneficial cleaning services for the aquarium.
Great
Maroon Clownfish
Premnas biaculeatus
Highly territorial towards other anemonefish; mixing clownfish species frequently results in fatal aggression.
Not recommended
Volitan Lionfish
Pterois volitans
An opportunistic predator that will swallow any fish small enough to fit into its mouth, including clownfish.
Not recommended

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