Overview
- Native to the Indo-Pacific region, commonly found in coral reefs and lagoons.
- Recognized for its vibrant orange body with three distinct white bands edged in black.
- A hardy and peaceful species known for its symbiotic relationship with sea anemones.
- Popular among marine aquarists for its attractive coloration and adaptability to captivity.
Feeding
- Omnivorous diet, consuming plankton, algae, and small invertebrates.
- Readily accepts high-quality marine pellets, flakes, and frozen foods such as mysis shrimp and brine shrimp.
- Supplementing with enriched foods enhances coloration and overall health.
- Feed small portions twice a day, offering only what the fish eat within a few minutes.
Habitat
- Commonly found in warm, shallow reef environments with plenty of coral cover.
- Prefers stable water conditions with moderate water movement.
- Thrives in aquariums with live rock formations and anemones, though anemones are not required.
- Well-suited for community reef tanks and can adapt to various tank setups.
Fish Care
- Optimal water temperature: 74-82°F (23-28°C).
- Ideal pH level: 8.1–8.4, with a specific gravity of 1.025–1.026 (about 33–35 ppt).
- Hardy and disease-resistant, making it an excellent choice for beginner aquarists.
- Regular water changes and proper filtration help maintain long-term health.
- Providing hiding spots and an anemone (if desired) ensures a stress-free environment.
Compatibility
- Generally peaceful but may become territorial, especially when paired with an anemone.
- Compatible with a wide range of tank mates, including tangs, wrasses, and gobies.
- Should not be housed with highly aggressive species or larger predatory fish.
- Can be kept singly, in pairs, or in small groups if introduced together.
Aquarium Behavior
- Active swimmer, often seen exploring its environment or hosting an anemone.
- Can display defensive behavior when protecting its territory.
- Forms strong pair bonds and exhibits fascinating social behaviors.
- Providing an environment with hiding spots and open swimming areas supports natural behaviors.
Breeding
Want to breed Ocellaris Clownfish? See our Breeding Clownfish guide, covering pair setup, spawning, egg care and raising the larvae to juveniles.
Read the guideFrequently Asked Questions
Are ocellaris clownfish good for beginners?
Yes. Captive-bred ocellaris clownfish are among the hardiest and easiest saltwater fish, which is why they are one of the most popular first fish for new reef keepers.
How big do ocellaris clownfish get?
Ocellaris clownfish grow to about 4.3 in (11 cm), and most stay closer to 3 in (8 cm) in home aquariums. Females are the larger fish in a pair.
What size tank does an ocellaris clownfish need?
A pair can live in a 20-gallon (76 L) tank or larger, with stable reef water and some rockwork.
Do ocellaris clownfish need an anemone?
No. They host anemones in the wild, but aquarium clownfish, especially captive-bred ones, live happily without one. Many will adopt a soft coral, a rock or even a powerhead instead.
What do ocellaris clownfish eat?
They are omnivores and eager eaters. Feed quality marine pellets or flakes plus frozen foods such as mysis and brine shrimp, along with some algae-based foods, twice a day. Offer only what they eat within a few minutes.
Can you keep two ocellaris clownfish together?
Yes, as a pair. Two young fish added together will usually pair up, with the larger becoming the female. Adding more clownfish later often leads to fighting.
Are ocellaris clownfish reef safe?
Yes. They don't bother corals or most invertebrates, so they are a good fit for a reef tank.
What is the difference between ocellaris and percula clownfish?
They look very similar and are often confused. The ocellaris (Amphiprion ocellaris) usually has thin or faint black edging around its white bands, while the percula (A. percula) tends to have thicker black outlines. Both are easy, reef-safe clownfish.
Can ocellaris clownfish breed in an aquarium?
Yes, they breed readily. A pair lays eggs on a flat surface near its home and guards them; the eggs hatch in about 6 to 11 days, but the fry need a separate rearing tank to survive.