At N-Koi, we’re proud to be Britain’s trusted source for high-quality live fish. As a top online retailer, we specialise in beautiful Koi Carp, graceful Butterfly Koi and Goldfish. Our aim is to be the cheapest online retailer for all Coldwater fish. Fast Delivery.
So if you are looking for good quality fish without the high price tag, welcome to N-KOI
“For coldwater fish and more, delivered directly to your door”
We source our fish with care, ensuring they’re healthy and ready to thrive in their new homes. Whether you’re a seasoned aquarist or a new enthusiast, our selection offers the finest options in the market.
With Fast Delivery on all live fish orders, your new pets arrive quickly and safely, thanks to our dedicated packaging and handling process.
N-Koi offers its own line of nutritious fish food, crafted to keep your fish healthy and vibrant. Plus, each live fish order includes a free pouch of koi or fish food, so you’re set from day one.
This gives you a behind-the-scenes look at how our fish are professionally cared for and maintained in a healthy, bio-secure environment.
At N-Koi, I prioritise:
Fish health and welfare above all else.
Expert water quality management.
Stress-free handling techniques.
Honest advice and friendly, one-to-one service.
By visiting us, you avoid the hassle of busy retail queues and impersonal service. Instead, you’ll receive knowledgeable guidance to help you choose the perfect fish and equipment for your specific setup.
If you are looking for high-quality livestock without the premium price tag, N-Koi combines value with a genuine passion for the hobby. We specialise in:
Affordable Koi Carp for sale in a range of sizes.
Butterfly Koi at highly competitive prices.
Healthy Goldfish for garden ponds or indoor aquariums.
Trusted pond equipment and professional accessories.
Every fish we sell is hand-selected for its health and quality, so you can shop with total confidence. Explore our range today and discover how easy and affordable it can be to create a thriving pond.
Shop Online: Visit our shop for Next Day Delivery on all live fish, plus Free Delivery on our pond accessories and the N-Koi premium fish food range.
Including our Luxurious Koi Pellets, Rapid Growth Koi Pellets, Winter Wheatgerm Koi Pellets, Premium Goldfish food and Pond Sticks.
As any koi keeper knows, consistency is everything when it comes to keeping your fish healthy, vibrant, and growing. That is where a reliable automatic pond fish feeder steps in to take the guesswork out of your routine.
Whether you’re building your very first garden pond or looking to add a show-stopping specimen to an established setup, deciding where to buy your fish is one of the most important choices you’ll make.
As the days shorten and water temperatures begin to drop, your pond enters a critical transition phase. While spring gets all the attention for fish health challenges, autumn is equally important. As water temperatures fall below 15°C, a koi’s immune system naturally slows down—yet many parasites and bacteria remain active.
From our careful packing process to our premium Japanese imports, we prioritise the health of your pond above all else.
Beautiful fish, including authentic Japanese Koi, hand-selected for quality, colour and lineage.
Every fish undergoes a rigorous quarantine and health check before it reaches you.
Specialist live fish couriers with real-time tracking - follow your new arrival’s journey right to your doorstep.
Every live fish order includes a FREE pouch of N-Koi food to ensure a healthy start.
Questions? Our team is here to help. Contact us at 07596 101873 or email us at hello@nkoi.co.uk for guidance on choosing fish, setup tips, or any other enquiries.
Enter the code below at checkout to receive £5 off your order – every time!*
Also applies to telephone orders.
*minimum spend £49
