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Black Balloon Molly

  • Sale
  • Regular price $7.00
  • 8 available
Tax included.


  • Good for small-large aquariums.
  • Adult size = 5-6cm in length.
  • Omnivores feed regular tropical foods.
  • Recommended temperature range:  between 18 to 26C.
This listing is for one Black Balloon Molly, One of the most common freshwater fish in the aquarium hobby today, and quite often the most unusual, is the Black Balloon Molly. Unlike the other types of Molly fish available in the fish keeping hobby, While the majority of Black Molly fish are completely black, they can sometimes be found with a streak of yellow which runs down the dorsal fin, or a slightly silvery color on the flanks. Black Mollies are relatively small in size, with the males growing to a maximum of 3 inches, and the females often growing a couple of inches larger. Their lifespan will completely depend on how well they are cared for, but in the perfect scenario, Black Molly fish can live up to 5 years in captivity. The optimal ratio that we recommend is 3 females to each male. Male Mollies are aggressive breeders, so providing more females will help divide the attention between them, to prevent any one female from receiving constant attention. Failing to stick to this ratio, or one thereabouts, you may find that your females will become too stressed to eat, and could potentially die. It is often thought that Mollies love space to move, and since you should be keeping them in larger groups to prevent any unnecessary harassment or aggression, you will need a tank that is big enough to accommodate them. At least 20 gallons should be the minimum, but if possible, a 45-gallon tank will be a lot better.
Are molly fish aggressive? In terms of pH and temperature, we would recommend that you keep your Black Mollies in water that is between 70 and 80 degrees Fahrenheit, with a pH that is closer to the harder, more alkaline side of the spectrum (7.5 – 8.2). Mollies are very sensitive to changes in water parameters, so it’s important that you keep the tank environment as consistent as possible. Black Mollies love planted aquariums, so the more plants you have, the better. The plants will not only allow the adult fish to feel more comfortable, but they will also increase the survival rate of the fry. Mollies are notorious when it comes to feeding on their fry, so giving them a place to hide will help your breeding efforts enormously. Pretty much any plants will do the trick, but here are a few of the ones we would recommend:

Don't forget to check out our plants for combined postage and to keep the fish happy in transit!

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

Postage costs
All small products, plant or snail orders are $3 flat postage. Very large products, plant or snail orders are $11 tracked postage.
Express is a flat $14 no matter the order size (I will cover any extra for free).
Live Goods and Postage
All live goods are sent with express post for a flat $14. Purchases for the week will be cut off SUNDAY - 8pm. All orders placed after that time will 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!