Regal Angelfish Care Guide
The Regal Angelfish (Pygoplites diacanthus) is one of the most beautiful and sought-after marine fish in the UK. Known for its striking vertical stripes of blue, yellow, white, and orange, it's a true showpiece species for advanced aquarists.
In this guide, you'll learn everything you need to know about Regal Angelfish care, including tank size, water conditions, compatibility, feeding, and typical UK prices - plus how to buy or sell them locally.
Quick facts about Regal Angelfish
Regal angelfish are found on coral reefs across the Indo-Pacific and Red Sea. They are known for their intricate colour patterns and graceful swimming behaviour.
Despite their beauty, they are considered one of the more delicate angelfish species.
Pygoplites diacanthus
20-25 cm
Indo-Pacific / Red Sea
400-500L+ (100-130gal)
10-15+ years
Peaceful to semi-aggressive
24-26°C
Omnivore (sponges, tunicates, algae, prepared foods)
8.1-8.4
£120-£400+ depending on size and origin
How Many Regal Angelfish Should You Keep?
Regal angelfish are best kept singly.
- Keep one per tank
- Avoid keeping multiple angelfish unless in very large systems
- Provide ample space and territory
Keeping more than one can lead to:
- Stress and competition
- Aggression
- Feeding difficulties
They are best suited as a single centrepiece fish.
Ideal Tank Conditions for Regal Angelfish
Providing the right environment is critical to their success in captivity.
- Tank Setup: Large, mature marine aquarium with plenty of live rock
- Live Rock: Essential for grazing and shelter
- Water Conditions: Stable, pristine water quality
- Filtration: Strong filtration with protein skimming required
- Lighting: Moderate to reef-level lighting
- Flow: Moderate water movement
A well-established tank with natural food sources is especially important.
Compatibility with Other Fish
Regal angelfish can be kept in peaceful to semi-aggressive marine communities with care.
- Good Tankmates: tangs, peaceful wrasses, clownfish, and other non-aggressive species
- Avoid: aggressive fish and other angelfish
They are generally peaceful but can be shy and easily stressed.
Are Regal Angelfish Easy to Care For?
Regal angelfish are difficult to care for and best suited to experienced aquarists.
They require:
- A large, mature aquarium
- Excellent water quality
- A specialised diet including sponge-based foods
- Careful acclimation and monitoring
They can be challenging to feed and may refuse prepared foods initially.
Regal Angelfish Price in the UK
In the UK, Regal angelfish typically cost between £120-£400+, depending on size, origin, and quality. Red Sea specimens are often more expensive and considered hardier.
Prices vary depending on:
- Origin (Red Sea vs Indo-Pacific)
- Size and condition
- Availability
- Shop vs hobbyist sellers
They are considered a premium marine species.
Where to Buy Regal Angelfish in the UK
Regal angelfish are available from specialist marine aquarium shops and experienced hobbyists.
Sourcing fish locally can:
- Reduce transport stress
- Allow careful inspection of health and feeding behaviour
- Improve success rates
TankMate UK helps connect aquarists who want to buy, sell, or rehome marine fish safely - without shipping.
Can You Sell Regal Angelfish?
Yes - Regal angelfish are sometimes sold or rehomed by experienced hobbyists.
Selling locally is often the best option, as it:
- Minimises stress for the fish
- Avoids the risks of shipping
- Helps ensure suitable homes
TankMate UK allows you to list fish quickly and find local buyers.
Feeding Regal Angelfish
Regal angelfish are omnivorous but require a specialised and varied diet.
Key Tips:
- Offer sponge-based angelfish foods
- Supplement with algae, frozen foods, and high-quality pellets
- Encourage feeding with natural grazing on live rock
- Feed multiple small meals per day
- Getting them to accept prepared foods can take time.
Common Problems with Regal Angelfish
Refusal to eat, often caused by:
- Stress
- Poor acclimation
- Lack of natural food sources
Stress and hiding, linked to:
- Aggressive tankmates
- Inadequate tank setup
Poor condition or colour loss, caused by:
- Inadequate diet
- Poor water quality
Why Regal Angelfish Are So Popular
- Stunning and intricate colour patterns
- Elegant swimming behaviour
- Highly prized by experienced aquarists
- Unique and eye-catching appearance
- Premium marine species
When kept correctly, Regal angelfish are one of the most beautiful and rewarding fish in the marine hobby.
Frequently Asked Questions
Not fully-they may nip at corals and invertebrates.
Yes, they are considered challenging and best for experienced aquarists.
They can be slow to adapt and may require specialised foods and time.
At least 400-500 litres, with a mature and stable setup.
Looking to Buy or Sell Regal Angelfish Locally?
TankMate UK connects aquarists who want to buy, sell, or rehome marine fish safely within their local area.
Whether you're adding a premium fish to your aquarium or passing one 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.