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Developed in Japan, Ranchu are very popular amongst goldfish enthusiasts. Similar to the Lionhead, except the Ranchu's back is rounded downwards towards the tail at the caudal peduncle. Ranchu develop very impressive head growth as they mature. Suitable for indoor tanks and outdoor garden ponds (but provide protection from predators if kept outdoors.) Coburg Aquarium provide Live Fish delivery to your door, 100% safe and secure.

Features of Assorted Ranchu:

  • They have no dorsal fin and instead grow a wen, which is a large head growth
  • A raspberry-shaped wen on top of their heads
  • White and Red/Orange/Black color through the body
  • Peaceful and slow-moving by nature


The Best Aquarium Size for Ranchu:

A minimum tank size of 50L is required for a fully grown. You can also start with a 10L with a small size ranchu. Keep in mind that tank size can vary greatly depending on how big or small the goldfish is and how many you plan to stock in the tank.

After an Aquarium for your Ranchu? Browse bigger  Aquarium Tank Selection here.



Tank Mate Compatibility:

Ranchus are very peaceful community dwellers. The only real challenge is finding fish that won’t bully them and enjoy cooler temperatures as well. Ranchus would be unable to compete for food with slim-bodied goldfish varieties.

Great tank mates for Ranchu include:

 Coburg Aquarium, specialised in different species of live fish.


Feeding :

Packed food like Hikari Lionhead pellets, Hikari fancy goldfish pellets can give ranchus the variety omnivorous fish need. Live insects that sink to the bottom are also good, as are live or frozen goldfish food,  brine shrimp and Daphnia, or common water fleas.

Search Goldfish food in our High Quality Fish Foods collections here.


Ranchu Fish Tank Setup:

Aquarium Filtration

filtration system is absolutely necessary. Ranchus are still goldfish and they produce a large amount of biowaste.

Plants for Ranchu

Plants are beneficial in helping to maintain good water quality and adding enrichment to a fish’s diet. Ranchus will most likely consume soft edible plants, however, you can choose thick-leaved plants that are hard to nibble on.

Interested in Live Plants for your aquariums? Click here to see more Fish Live Plant 

Decorations for Ranchu

Ideal Ornaments for Ranchus tank:

After more nice quality decorations?  Check our Aquarium Ornaments.


Artificial lighting is optional if ranchus can't receive a decent amount of light. Ranchu need a day and night cycle as well, make sure they have an 8 to 12-hour period of darkness to rest.


Sand are ideal for Ranchus

A variety of Substrates are available at Coburg Aquarium. 

Additional Information

Other customers have purchased

Fish Keeping Snapshot :

Preferred Water Parameters :

Aquarium Set-up Service:

Our design team enables us to create the tank you desire, install your tank where you wish to and provide a maintenance service to ensure everything runs smoothly. We can create almost any aquarium from the small home aquarium to large commercial aquariums for offices, hotels or restaurants. Coburg Aquarium, Australia's leading aquarium shop.

Please contact us if you need any custom tank services.