Black Clownfish Care Guide
The Black Clownfish (Amphiprion ocellaris - black variant) is a striking marine fish popular in the UK. Known for its deep black body with contrasting white bands, it offers a bold twist on the classic clownfish look.
In this guide, you'll learn everything you need to know about Black Clownfish care, including tank size, water conditions, compatibility, feeding, and typical UK prices - plus how to buy or sell them locally.
Quick facts about Black Clownfish
Black clownfish are a colour variant of the common Ocellaris clownfish, often originating from regions like Darwin, Australia. They develop darker pigmentation as they mature, sometimes becoming almost entirely black.
They are hardy, peaceful, and well-suited to reef aquariums.
Amphiprion ocellaris (black variant)
6-8 cm
Indo-Pacific (notably Darwin, Australia)
75L (20gal)
6-10 years
Peaceful, territorial around host
24-26°C
Omnivore (pellets, frozen, live foods)
8.1-8.4
£25-£60 per fish
How Many Black Clownfish Should You Keep?
Black clownfish are best kept singly or in pairs.
- A single fish is suitable for most tanks
- A bonded pair is ideal
- Avoid keeping multiple individuals unless in large systems
Keeping more than two can lead to:
- Territorial aggression
- Fighting and stress
They naturally form pairs, with one becoming dominant (female).
Ideal Tank Conditions for Black Clownfish
Providing stable marine conditions is essential for their health.
- Tank Setup: Marine or reef tank with live rock
- Substrate: Sand or reef substrate
- Live Rock: Provides shelter and territory
- Water Conditions: Stable salinity and high water quality
- Filtration: Strong filtration with protein skimming recommended
- Lighting: Moderate to reef-level lighting
Anemones are optional but can be kept in more advanced setups.
Compatibility with Other Fish
Black clownfish are peaceful and reef-safe.
- Good Tankmates: gobies, blennies, wrasses (peaceful species), tangs, and other community reef fish
- Avoid: aggressive fish and additional clownfish (unless paired)
They may defend their chosen territory.
Are Black Clownfish Easy to Care For?
Black clownfish are very easy to care for and ideal for beginners.
They require:
- Stable water parameters
- A mature tank
- Regular feeding
- Proper acclimation
They are hardy and adaptable.
Black Clownfish Price in the UK
In the UK, black clownfish typically cost between £25-£60 per fish.
Prices vary depending on:
- Colour intensity (fully black vs partially orange)
- Size and age
- Captive-bred origin
- Shop vs hobbyist sellers
They are slightly more expensive than standard orange ocellaris.
Where to Buy Black Clownfish in the UK
Black clownfish are widely available in UK marine aquarium shops and from hobbyists.
Sourcing fish locally can:
- Reduce transport stress
- Improve survival rates
- Offer better value
TankMate UK helps connect aquarists who want to buy, sell, or rehome marine fish safely - without shipping.
Can You Sell Black Clownfish?
Yes - black clownfish are commonly bred and sold by hobbyists.
Selling locally is often the best option, as it:
- Minimises stress for the fish
- Avoids the risks of shipping
- Connects you with responsible aquarists
TankMate UK allows you to list fish quickly and find local buyers.
Feeding Black Clownfish
Black clownfish are omnivorous and easy to feed.
Key Tips:
- Feed high-quality marine pellets or flakes
- Supplement with frozen foods like mysis shrimp and brine shrimp
- Offer small, regular feedings
- Provide a varied diet
They are not picky eaters and adapt well to prepared foods.
Common Problems with Black Clownfish
Territorial behaviour, often caused by:
- Small tank size
- Presence of other clownfish
Stress or poor condition, linked to:
- Poor water quality
- Inadequate acclimation
Disease (e.g. marine ich), caused by:
- Introduction of infected fish
- Lack of quarantine
Why Black Clownfish Are So Popular
- Unique black colouration
- Hardy and beginner-friendly
- Peaceful and reef-safe
- Interesting pairing behaviour
- Striking alternative to standard clownfish
When kept correctly, black clownfish offer a bold and modern look while retaining all the benefits of classic clownfish species.
Frequently Asked Questions
No, they are a colour variant of Amphiprion ocellaris.
Many juveniles show orange before darkening as they mature.
Yes, as a bonded pair.
At least 75 litres, with stable marine conditions.
Looking to Buy or Sell Black Clownfish Locally?
TankMate UK connects aquarists who want to buy, sell, or rehome marine fish safely within their local area.
Whether you're stocking your reef tank or passing fish on to a new home, you can:
- Browse listings near you
- List your own fish in minutes
- Avoid the risks of shipping
Explore local listings with TankMate UK and find the right additions for your aquarium.