Buy UK Online Assorted Lionhead Ranchu Goldfish

Assorted Lionhead Ranchu Goldfish 4-5cm

Price range: £29.95 through £125.00

Rounded back and unique head growth make this fancy variety a peaceful and eye-catching addition.

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Cold Water Fish FAQs

Assorted Lionhead Ranchu Goldfish (Carassius auratus)

You will receive a random colour morph.

Our Assorted Lionhead Ranchu (Carassius auratus) are distinctive fancy goldfish with a rounded back, deep body and unique head growth known as a wen. These 3–4 cm juveniles display a variety of colours including gold, white, red and calico. Each fish is hand-selected for quality, pattern and fin condition. As they mature, their wen and colours develop further, creating even more character and charm in your aquarium.

Thanks to their slow swimming style and calm temperament, Lionhead Ranchu are ideal for peaceful indoor cold-water tanks. These fish are already feeding well and are fully acclimatised to UK water conditions, making them quick to settle into their new environment.

Care Information
Care Level: Easy to Moderate
Max Size: 12–15 cm
Diet: Omnivore (sinking pellets, flakes, vegetables, frozen foods)
Temperature: 18–22 °C
pH: 7.0–8.0
Purchase Size: 4-5cm

Tank Setup and Conditions

Lionhead Ranchu require a spacious, unheated aquarium with stable water parameters and gentle filtration. A single fish needs at least 60 litres, with more space recommended for groups. Their delicate fins and wen mean it’s best to avoid sharp décor, strong currents and aggressive tank mates.

Weekly water changes and good oxygenation help maintain their health and promote strong wen and colour development. Smooth gravel or sand, soft plants and rounded ornaments provide a safe and enriching habitat.

For recommended products, see our Aquarium Accessories and Water Treatments collections.

Feeding Requirements

Ranchu are enthusiastic feeders but benefit from a balanced diet to avoid buoyancy issues. Choose sinking pellets or soak flakes before feeding, and provide variety to support wen growth, colour and digestion.

Recommended foods include:

Sinking goldfish pellets
Blanched spinach, peas or courgette
Frozen bloodworm or daphnia

Browse our full range of Fish Foods for suitable options.

Feed once or twice a day in small amounts, removing any uneaten food promptly to maintain water quality.

Compatibility and Behaviour

Assorted Lionhead Ranchu are peaceful and do best with other slow-swimming fancy goldfish such as Orandas, Pearlscales or Fantails. They should not be housed with fast single-tail varieties like Comets or Shubunkins, which can outcompete them for food.

With good care and stable conditions, Ranchu become interactive and can even recognise their keepers at feeding time. Their unique body shape and characteristic head growth make them a real talking point in any goldfish collection.

Why Choose Our Assorted Lionhead Ranchu?

Distinctive head growth and rounded body shape
Fully acclimatised and feeding confidently
Ideal for peaceful indoor fancy goldfish aquariums
Suitable for both beginners and experienced aquarists
Free UK delivery and expert advice included

Related Coldwater Products
Fish Foods – Sinking diets and frozen food options
Water Treatments – Maintain safe and healthy tank conditions
Accessories – Filtration, décor and essentials for goldfish care

Learn more about Ranchu goldfish on Wikipedia.

If you require any advice on keeping Ranchu, contact us and speak to a member of the team.

Additional information

Quantity	1, 3, 5

What is Backorder?

Available on backorder means we do not have the item currently in stock but are able to order it in and get it out to you quickly.

What is your special local delivery

This is where we can deliver livestock to you ourselves to save it going to a courier. This means it will be handled with optimum care same day within the local area of our shop.

If you have any questions about this product please feel free to contact us and speak to a member of the team.

E-mail Us: info@deltaaquarium.co.uk

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If you live within a 10 mile radius of Birmingham University, and your order is £30 or over (not including postage), you qualify for the option to use our Delta Prime delivery service. This means delivery is at a discounted rate and is also hand delivered by ourselves. For livestock this means there’s no overnight shipping, and hand delivered with care by us. Once your order has been placed, we will contact you to arrange time for delivery. Depending on booking slots, orders placed before 12pm, can be delivered the same day or whenever suits you.

Delivery days & times

7 Days a Week: 3pm-7pm

IS IT OK TO BUY COLD WATER FISH ONLINE?

Yes fish are absolutely fine to be shipped, fish stores have their fish shipped to them also so it doesn't make a difference whether buying online or at a store. Your fish will have been shipped at some point. We want our quality livestock to be delivered in the best condition. We use high-quality poly boxes and heat packs. We ensure the bags are filled with pure oxygen and double bagged. We also use a reliable 24-hour licensed courier.

WHAT ARE BEST COLD WATER FISH TO BUY FOR BEGINNERS?

Most Coldwater fish are great for beginners. Fancy Goldfish, Comet’s, Ranchu, Moors, Zebra Danio, White Cloud Mountain Minnow are just some of the Coldwater fish that would be suitable if you’re just starting out in the fishkeeping hobby.

WHAT DO I NEED TO KNOW ABOUT KEEPING COLD WATER FISH?

If you are thinking of keeping cold water fish, you need to know about the following main things: Size of your aquarium Firstly decide how much space you have for your new fish tank. Always go as big as you can fit, the bigger the better with fish keeping. Deciding what to fish to keep This will depend on the size of your aquarium. Research how big a fish is and will grow to. If your aquarium is small then Danio’s, Mountain Minnows, and Hillstream Loach may be a better choice. If your aquarium is 50ltrs plus, then a couple of Fancy Goldfish would be an option, bearing in mind their adult size. Cycling your aquarium This is a very important part of keeping your cold water or Coldwater aquarium. Your filter is just a sponge and is no different than your washing-up sponge…until it’s “cycled” and loaded with beneficial bacteria. Maintaining your aquarium You should clean your tank on a weekly basis. A small 10-20% water change will help remove any build up of waste. Siphon your substrate and clean the glass, this will keep your tank nice and clean for your fish.

DO COLD WATER FISH NEED A HEATER?

Only shallow ponds may need a heater to stop them from freezing over in the winter. Indoor Coldwater fish are fine in just room temperature. So will not need an aquarium heater.

WHAT OTHER EQUIPMENT DO YOU ADVISE FOR KEEPING COLD WATER FISH?

The equipment you will need when it comes to caring for cold water fish include: A suitable fish tank Aquarium lighting Substrates and aquarium plants to help create a healthy ecosystem A filter system to keep your water clean and clear A thermometer to keep to check the temperature stable Aquarium test kits to check pH, ammonia, nitrite and nitrate levels Cleaning tools

HOW OFTEN SHOULD I FEED MY COLD WATER FISH?

In general, most Coldwater fish thrive on one or two feedings per day. You’ll need to adjust the quantity of food according to the size and quantity of fish in your tank. If your aquarium is new and you have just added your first fish, feed every other day and count the amount of food your are adding. A “pinch” is not accurate enough and may lead to overfeeding your fish.