Molly fish types

Molly fish types

How many types of Molly fish: Let’s know about Molly fish types. Molly fish a great addition to any aquarium, but which breed do you choose? Most molly breeds are hardy fish that can live in a wide variety of environments, so there is a high chance that you will find one that is suitable for your aquarium. However, some breeds have special needs that you’ll want to make sure you can accommodate before purchasing one.

We’ve chosen 14 of the most popular types of mollies found in aquariums around the world to show you what they look like and answer a few questions about them so you can see if you can have one in your home. are correct for Join us as we discuss tank size, color combinations, hardiness, aggressiveness, and more so you can make an educated purchase.

14 types of molly fish

Here is a list of 14 molly fish breeds that we are going to take a look at.

1. Balloon Belly Molly

Molly fish types
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Balloon Belly Molly’s get their name from their trademark shape, which makes them look overweight. They are available in white, black and yellow and have a lyre-shaped back fin. The Balloon Belly Molly is a friendly breed that prefers the company of fish of a similar size. It only grows to about 3 inches, but it still deserves to be kept in aquariums larger than 30 gallons.

2. Black Molly

Molly fish types
Molly fish types

The Black Molly, also known as the Common Black Molly, is a hardy fish that is suitable for beginners. It does well in water between 68 and 82 degrees Fahrenheit and prefers tanks no larger than 30 gallons. Like Black Molly when you keep the pH between 7 and 7.8. The Black Molly is a peaceful breed that does not usually fight with other fish and grows to a length of about 3 inches. These fish are mostly covered with black scales but can have spots of different colors all over their body.

3. Black Sailfin Molly

Molly fish types
Molly fish types

The Black Sailfin Molly is a striking fish that is darker than the standard Black Molly and has longer flowing fins. This is a peaceful breed, but you need to make sure that you do not keep them with fish that bite fins as they will become a target. The Black Sailfin is a hardy breed that is suitable for beginners and can reach up to four inches in length. Despite their slightly larger size, they are content to live in a 30-gallon tank and like to have lots of space to explore.

4. Black Lyretail Molly

The Black Lyretail Molly is another black Molly, and it has all black scales and is very dark like the Black Sailfin Molly, but with some white highlights on the fins. This breed is easy to care for and grows to about five inches tall, so it is one of the larger mollies available. It is a peaceful fish that rarely becomes aggressive towards other fish, and you should keep it in an aquarium with fish of a similar size. Black lyretail molly is very hardy. It is able to survive a wide range of temperatures and can live comfortably at a pH between 7 and 8.

5. Creamsicle Sailfin Lyretail Molly

Creamsicle Sailfin Lyretail Molly has white on the bottom and gold on the top, giving it the appearance of a creamy ice cream sundae. It has large orange spotted fins and is peaceful and content enough to share the aquarium with others. This breed is great for beginners because it looks attractive and is not fussy about water temperature or pH.

6. Dalmation Molly

The Dalmation Molly is another breed suitable for beginners just learning the ropes. It is very hardy and can last for quite some time in water outside the ideal temperature or pH range, mostly because it is not very hard to keep the water within the 68- to 82-degree temperature guidelines. The recommended pH of water is 7 to 7.8. The Dalmatian Molly is happiest in tanks larger than 30 gallons and can reach about five inches. They are generally peaceful and are not aggressive unless provoked. The black and white markings on this fish resemble those of a Dalmation puppy, hence the name.

7. Dalmation Lyretail Molly

The Dalmatian Lyretail Molly is the second fish on our list with a black and white color combination that resembles a Dalmation puppy. This breed is generally white in color with smaller black spots than the standard Dalmatian molly, and it is usually not as large, often reaching around three inches. They are hardy and are recommended for beginners and like aquariums larger than 30 gallons. Like many other breeds, they are a peaceful fish that only become aggressive when threatened.

8. Gold Doubloon Molly

The Gold Doubloon Molly has a bright yellow and black color scheme that is sure to stand out in any tank. It has small fins, but it needs a lot of room to swim, so we recommend an aquarium no larger than 30 gallons. It is a hardy fish that does well in a range of temperatures and can reach up to five inches.

9. Golden Sailfin Molly

The Golden Sailfin Molly is a brightly colored fish that prefers hard water aquariums. As the name suggests, they are bright gold and are one of the larger mollies, capable of reaching up to 6 inches in length when fully grown. They are a hardy breed that is tolerant of temperature changes but require a tank no larger than 30 gallons to have enough room to swim freely.

10. Gold Dust Molly

Gold Dust Molly is similar to Back Molly but with a richer golden hue. These fish are great for those who prefer more colorful aquariums. The Gold Dust Molly is a small feathered breed with gold and black scales. The female is larger than the male and develops a pregnancy spot in its colour. This breed can grow up to five inches tall and prefers tanks no larger than 30 gallons.

11. Harlequin Sailfin Molly

The Harlequin Sailfin Molly is an extremely attractive fish with a black and white base and lots of gold spots. It is a peaceful fish that is suitable for housemates, and can grow up to six inches long when fully grown. It is hardy and comfortable in water temperatures between 68 and 82-degrees.

12. Marble Lyretail Molly

The Marbled Lyretail Molly is an eye-catching black and white molly that can grow up to about five inches tall. They require a tank no larger than 30 gallons, with plenty of free-swimming space for their long dorsal fins to fully develop. Marbled Lyretail Mollies also require a small amount of salt in the water, so you can only keep them with fish that can tolerate that amount of salt.

13. Platinum Lyratale Molly

The platinum lyretail molly has a platinum/gold coloration and long dorsal fins. Long fins will only develop when there is enough water for them to do so, we recommend a tank no larger than 30 gallons with plenty of room for swimming. The Platinum Lyretail Molly is a peaceful fish, but they require salt in the water, so you need to keep them with fish that are tolerant of a saltwater environment. It is a hardy fish but a bit more sensitive to temperature changes and pH then some other breeds. Would you recommend keeping the water between 75 and 82 degrees Fahrenheit and the pH between 7.5 and 8.5.

14. White/Silver Sailfin Molly

The White or Silver Sailfin Molly is another fish that is great for beginners. This breed can reach a length of five inches, so they are one of the larger breeds available for the aquarium. They will need a tank no larger than 30 gallons, but they are an extremely hardy fish that are comfortable in a water pH between 7 and 8. This breed gets its name from its silvery-white scales, and it has long wings that extend beyond the body.

Female white/silver sailfin mollies are much larger than males and weigh more. Males are more colorful and often have orange and turquoise markings on their bodies and fins.


Most molly breeds are very hardy and do well in any aquarium. The only requirement they have is a large tank which is above 30 gallons in most cases. It’s good to have vegetation, rocks, and other items in the tank for them to hide behind, but there should also be plenty of room for them to swim. Some varieties require you to add a small amount of salt to the water, so you’ll need to make sure any other types of fish you have in the tank can live with the added salt.