Bloodfin Tetra Care Guide
The Bloodfin Tetra (Aphyocharax anisitsi) is a hardy and active freshwater fish popular among UK aquarists. Known for its shimmering silver body and distinctive bright red fins, it is an excellent schooling fish for community aquariums and is particularly well-suited to beginner fishkeepers.
In this guide, you'll learn everything you need to know about Bloodfin Tetra care, including tank size, water conditions, compatibility, feeding, and typical UK prices - plus how to buy or sell them locally.
Quick facts about Bloodfin Tetras
Bloodfin tetras are native to the rivers and streams of South America. They are highly adaptable fish that tolerate a wider range of water conditions than many tetra species, contributing to their popularity among beginner and experienced aquarists alike.
Their metallic silver bodies and vivid red fins create a striking contrast, particularly when kept in large schools.
Aphyocharax anisitsi
5-7 cm
Argentina, Brazil, Paraguay, and Bolivia
75L (20gal)
5-8 years
Peaceful, active, schooling
20-28°C
Omnivore (flakes, pellets, frozen and live foods)
6.0-8.0
£2-£5 per fish
How Many Bloodfin Tetras Should You Keep?
Bloodfin tetras are schooling fish and should always be kept in groups.
- A minimum group of 6-8 is recommended
- Larger schools encourage more natural behaviour and confidence
- Groups of 10 or more create an impressive display
Keeping too few can lead to:
- Nervous behaviour
- Fin-nipping tendencies
- Increased stress
They are most comfortable and visually impressive in sizeable groups.
Ideal Tank Conditions for Bloodfin Tetras
Providing the right environment helps bloodfin tetras thrive and display their best colours.
- Tank Setup: Community aquarium with open swimming space
- Substrate: Dark substrate helps enhance colouration
- Plants & Decor: Hardy plants, driftwood, and open areas for schooling
- Water Conditions: Stable freshwater with good oxygenation
- Filtration & Flow: Moderate filtration with gentle to moderate flow
- Lighting: Moderate lighting
They are adaptable fish but still benefit from consistent water quality.
Compatibility with Other Fish
Bloodfin tetras are generally peaceful and suitable for community aquariums.
- Good Tankmates: black neon tetras, lemon tetras, harlequin rasboras, corydoras catfish, pearl gouramis, rainbowfish, and peaceful loaches
- Avoid: very slow-moving long-finned fish and highly aggressive species
Occasional fin-nipping can occur if they are kept in groups that are too small.
Are Bloodfin Tetras Easy to Care For?
Bloodfin tetras are very easy to care for and make excellent beginner fish.
They require:
- Stable water quality
- Suitable shoal sizes
- Regular feeding
- Adequate swimming space
They are among the hardiest tetra species commonly available.
Bloodfin Tetra Price in the UK
In the UK, bloodfin tetras typically cost between £2-£5 per fish.
Prices vary depending on:
- Size and age
- Availability
- Shop vs hobbyist breeders
They are affordable and widely available throughout the UK.
Where to Buy Bloodfin Tetras in the UK
Bloodfin tetras are available from most aquarium shops and tropical fish retailers.
Sourcing fish locally can:
- Reduce transport stress
- Allow you to inspect health and colouration
- Offer better value
TankMate UK helps connect fishkeepers who want to buy, sell, or rehome fish safely - without shipping.
Can You Sell Bloodfin Tetras?
Yes - bloodfin tetras are occasionally 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 local aquarists
TankMate UK allows you to list fish quickly and find local buyers.
Feeding Bloodfin Tetras
Bloodfin tetras are omnivorous and enthusiastic feeders.
Key Tips
- Feed quality flakes or micro pellets
- Supplement with frozen bloodworms, daphnia, and brine shrimp
- Offer occasional live foods
- Feed small portions 1-2 times daily
A varied diet supports health, growth, and vibrant fin coloration.
Common Problems with Bloodfin Tetras
Fin-nipping, often caused by:
- Small shoal sizes
- Overcrowding
- Boredom
Faded colours, linked to:
- Poor diet
- Stress
- Poor water quality
Disease outbreaks, caused by:
- Poor maintenance
- Sudden parameter changes
- Introduction of unquarantined fish
Why Bloodfin Tetras Are So Popular
- Bright red fins and metallic silver body
- Hardy and beginner-friendly
- Peaceful schooling behaviour
- Adaptable to a wide range of conditions
- Excellent community fish
When kept correctly, bloodfin tetras create an energetic and colourful display that works well in a wide variety of freshwater aquariums.
Frequently Asked Questions
Yes, they are one of the hardiest and easiest tetra species to care for.
At least 6-8, though larger schools are strongly recommended.
They can occasionally nip fins if kept in groups that are too small.
At least 75 litres, with open swimming space and a suitable shoal.
Looking to Buy or Sell Bloodfin Tetras Locally?
TankMate UK connects fishkeepers who want to buy, sell, or rehome fish safely within their local area.
Whether you're adding a lively school of tetras to your aquarium or looking to rehome surplus fish, you can:
- Browse fish available near you
- List your own fish in minutes
- Avoid the risks of shipping
Explore local listings with TankMate UK and find the right fish for your aquarium.