Goldfish- Black Ranchu

  • Sale
  • $31.00
  • Regular price $69.00
Tax included.


  • Current size: 4-6cm in length.
  • Adult size: 20-30cm in length.
  • Omnivore, but primarily eat protein foods.
  • Temp 10 to 30c

Description:
The Black Ranchu is a fancy goldfish known for its distinctive rounded, egg-shaped body, absence of a dorsal fin, and prominent head growth (wen). The body is entirely black, giving it a striking appearance compared to the more common orange and white varieties. It has a broad back, a short tail, and its head growth develops over time as it matures, giving it a lion-like face, which is why Ranchus are sometimes called "Lionhead Goldfish."

Care:

  • Tank Size: A minimum tank size of 75 liters (20 gallons) is recommended for one Black Ranchu. Larger tanks are preferred as they produce less waste in relation to water volume, making water quality easier to maintain.
  • Filtration: Black Ranchus produce a lot of waste, so a strong filtration system is necessary. Ensure the water flow is not too strong, as Ranchus are slow swimmers and can struggle with strong currents.
  • Substrate: Soft sand or smooth gravel is ideal to avoid injury, as Ranchus tend to forage at the bottom of the tank.
  • Temperature: While they can tolerate a range of temperatures, they prefer cool water environments typical of goldfish. Ensure temperatures remain stable to avoid stress.

Temperament:
Black Ranchus are peaceful, making them suitable for community tanks with other slow-moving, cold-water species. Avoid pairing them with faster, more aggressive fish, as Ranchus are not strong swimmers and may struggle to compete for food.

Diet:
As omnivores, Black Ranchus should be fed a balanced diet that includes high-quality goldfish pellets or flakes, as well as vegetable matter like blanched spinach, peas, or lettuce. Occasional protein-rich treats such as bloodworms, brine shrimp, or daphnia can be offered, but avoid overfeeding as they are prone to digestive issues.

The Black Ranchu is a visually stunning and peaceful fancy goldfish variety that makes an elegant addition to any aquarium, but it requires proper care and attention due to its delicate nature and specific needs.

Although often being thought of as beginner fish, this isn't exactly the case. They get very big, requiring a large tank to accommodate them, and are a bit messy, making a decent filter a requirement. But if you understand the basics, they are a lovely, relatively low-maintenance pet. 

Keeping Goldfish FAQ

Water changes?
About 20% weekly. Don't clean the tank otherwise, other than optionally scraping the walls or vacuuming the substrate every so often.

Tank size?
At least 4-6x the length of the fish is ideal, but the bigger the better. Eventually, these should end up in a pond but not everyone has that option.

Feeding?
Once per day is enough, any standard fish food. Note, that they will eat algae and some plants as well. Duckweed is a great snack to keep them healthy as well. 

Tank mates?
Don't keep them with shrimp! Anything they can fit in their mouth they will have a go at, but otherwise won't usually be too aggressive to other fish.

If you have any questions or problems feel free to contact us!

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Postage costs
All small products, plant or snail orders are $3.99 flat postage. Large products, plant or snail orders are $10.99 tracked postage.
Express is a flat $13.99 no matter the order size other than a few specific giant items (like big tanks).
Any larger tanks are a flat $39 postage. We price the tanks at the Pickup price, and postage always costs us more than $50 for them, so we have to charge a bit extra.
Live Goods and Postage
All live goods are sent with express post for a flat $13.99. Purchases for the week will be cut off SUNDAY - 8pm. All orders placed after that time may be sent on the following week.

Pickup
Pickup is from our store located at: 153/313 Harris St, Pyrmont, Sydney, NSW. Please let us know before you come after placing your order so we can confirm it will be ready then.

Terms and Conditions
We will refund or replace any livestock that arrives DOA (Dead on Arrival) but cannot guarantee your order will arrive on time since we have no control over the postage service. If you have any issues with your order please let us know.

Enjoy!