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Ocellaris Clownfish (Orange & White) (Amphiprion ocellaris)

Ocellaris Clownfish (Orange & White)

Amphiprion ocellaris
Reef SafeBeginner FriendlyCaptive-Bred AvailableHardy
Family
Clownfish / Damselfish
Care level
Beginner
Temperament
Peaceful
Reef safe
Reef safe
Max size
8 cm
Min tank
60 L · 16 gal
Origin
Indo-Pacific
Diet
Omnivore
Food
Marine pellets, Flake, Mysis, Enriched brine
In stock — $30 →

Overview

The Ocellaris Clownfish (Amphiprion ocellaris) is the classic orange-and-white clown — the 'Nemo' fish — and for good reason it's the most popular marine fish in the hobby. Three crisp white bars edged in black cross a bright orange body, and its bobbing, waddling swim and bold personality make it endlessly watchable.

It's hardy, peaceful, reef-safe and genuinely easy to keep, which makes it just about the perfect first marine fish. Captive-bred Ocellaris are widely available and well worth choosing — they're tougher, more disease-resistant, already eating prepared foods, and a sustainable option that never touched a wild reef.

It's often confused with the very similar Percula Clownfish, but the Ocellaris is the more affordable and even more forgiving of the two. Whether it's your first fish or a long-loved favourite, it's a colourful, characterful anchor for almost any reef.

Compatibility

The Ocellaris is one of the most peaceful clownfish and settles easily into community life, generally minding its own business around a chosen patch of reef. Like all clowns it forms a strict pecking order and can get a little feisty defending its territory — especially once paired, and particularly the dominant female — but it's rarely a problem in a reasonably sized tank.

Keep it singly or as a bonded pair. If you want two, introduce them together while young; in a pair the larger, dominant fish becomes the female. It mixes well with most peaceful community fish — gobies, blennies, cardinals, chromis, tangs and wrasses — but avoid mixing different clownfish species, and don't add a second clown to one that's already well established. Steer clear of large or aggressive fish that could bully or eat it.

Health & quarantine

The Ocellaris is a hardy, forgiving fish, and captive-bred specimens especially adapt readily to aquarium life — a big part of why it's such a great starter species. Even so, a quiet quarantine period and a slow, unhurried acclimation are worthwhile to confirm strong feeding and rule out issues before it joins the display. Clownfish can be susceptible to brooklynella (a nasty clown-specific parasite) and marine ich when stressed, particularly wild-caught fish, so choose captive-bred where you can and keep water stable and clean. Bought healthy and eating, and kept in consistent conditions, it's a robust fish that can live well over a decade.

Frequently asked questions

Is the Ocellaris a good first marine fish?
It's arguably the best. It's hardy, peaceful, reef-safe, eats prepared foods readily (especially captive-bred stock) and adapts easily to a stable tank. Just keep water quality consistent and introduce it calmly, and it's about as beginner-friendly as marine fish get.
What's the difference between Ocellaris and Percula clowns?
They look very similar — both orange with three white bars — but the Ocellaris typically has thinner black outlining and ten dorsal spines, while the Percula has bolder black and eleven. The Ocellaris is usually cheaper, slightly hardier and very slightly less aggressive. For most keepers either makes a superb reef fish.
Do I need an anemone?
No. Captive-bred clowns don't require a host anemone and do perfectly well without one, often hosting a coral or rock instead. Only add an anemone if your tank is mature and your lighting and flow can support it — anemones are more demanding than the clown itself.
Can I keep two together?
Best as a bonded pair introduced together while young. Clowns form a hierarchy where the dominant fish becomes female, so adding two juveniles at once is the smoothest path to a pair. Avoid adding a second clown to one that's already established, and don't mix different clownfish species.
Should I choose captive-bred or wild-caught?
Captive-bred, where possible. They're hardier, more disease-resistant (notably less prone to brooklynella), already eating prepared foods, and far more sustainable since they never leave the hatchery for a wild reef. They're widely available and typically the better long-term choice.
Is it reef safe?
Completely. It won't harm corals or invertebrates, making it an ideal, colourful addition to a peaceful reef. It may adopt and fuss over a coral as a surrogate host — occasionally irritating a sensitive one — but it won't damage your reef.

Care guidance is drawn from our own experience — every fish is an individual, so treat it as a starting point, not a guarantee. Not sure if a species suits your tank? Come ask us in store. New to the terms? Read the care-terms glossary.