Can A Molly Fish Live In A 5 Gallon Tank?

by | Last updated on January 24, 2024

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A 5 gallon tank can easily handle a group of about 5 male mollies

. The tank setup you need for mollies the essentially the same as for the other fish in this article. A heater, sponge filter, and light are the main essentials.

What fish can fit in a 5 gallon tank?

What is the best fish for a 5 gallon tank?

  1. Guppy. …
  2. Betta Fish (Betta splendens) …
  3. Mollies (Poecilia sphenops) …
  4. Neon Tetras (Paracheirodon innesi) …
  5. Harlequin Rasboras (Trigonostigma heteromorpha) …
  6. White Cloud Mountain Minnow (Trigonostigma heteromorpha) …
  7. Honey Gourami (Trichogaster chuna) …
  8. Least Killifish (Heterandria Formosa)

How many mollies Can I put in a 4 gallon tank?

To live comfortably,

each extra molly will require about 3 additional gallons

. Mollies tend to stick together most of the time, which is why you should keep them in groups of 4 or more. If you are planning to keep more than 4 mollies, make sure you get a 20-gallon tank at least.

How many molly are in a 10 gallon?

You can put

three mollies

in a 10-gallon tank. As a general rule, an inch of fish requires one gallon of water. In captivity, mollies usually grow to be 3–4.5 inches long, so each fish will need around three gallons of water to swim freely.

Can you keep a single molly?

Is it OK to keep one by herself?

Yes, a single Molly Fish can live alone as long as she has all that she needs: clean water, good food, and enough space to swim and play in

. Please don't forget though, that she will be happier with tank mates—whether fellow Mollies or other compatible fish.

How many fish can go in a 5 gallon tank?

You can keep about

4-6 fish

in a tank this size as long as each fish is not larger than 2 inches. The one-inch fish per gallon rule would apply to most smaller fish breeds like Tetras, Rasbora, and more. Fish that can grow larger than 2 inches are not recommended for a 5-gallon tank.

How many bettas can be in a 5 gallon tank?

Experts recommend that you keep

1 betta fish

in a 5-gallon tank. Keeping more than this will overcrowd your tank and stress your fish, and may even shorten their lifespan.

Can guppies live in a 5 gallon tank?


A 5-gallon aquarium is suitable for a group of 4 or 5 MALE guppies

. Guppies are live-bearing fish, meaning the females give birth to live, free-swimming baby fish. By keeping only male guppies in a 5-gallon aquarium there is no chance of the number of fish in the tank increasing accidentally.

Do you need a heater for a 5 gallon fish tank?

If you've got a 5 gallon tank

you don't need an overly expensive heater

. They're only needed in bigger aquariums. In fact, some of them probably wouldn't even be able to fit in a 5 gallon tank, or would take up far too much space!

What can live with a betta in a 5 gallon tank?

  • Ember Tetras. Ember tetras are beautiful little fish. …
  • Brigittae/Chili Rasboras. Brigittae or chili rasboras are small rasbora fish that are suited to live in a 5-gallon tank. …
  • Strawberry Rasboras. …
  • Ramshorn Snails. …
  • Least Killifish. …
  • Celestial Pearl Danio. …
  • Phoenix Rasboras. …
  • Dwarf Rasboras.

How often do you clean a 5 gallon fish tank?

How often should you clean a small aquarium? If you've got a 5 or 10-gallon tank then the answer is definitely

at least once a week

. Remember, the water inside your aquarium is the equivalent of air to your fish.

How many platys can go in a 5 gallon tank?

Size of the Tank Number of Platy Fish 5 Gallon

3 male, or 2 female
10 Gallon 6 male, or 4 female 20 Gallon 13 male, or 8 female 30 Gallon 20 male, or 12 female

How many tetras can go in a 5 gallon tank?

You can only add

around 3

neon tetras in a 5-gallon tank. But these fish need to be kept in a group of 6 to feel comfortable and be able to school. And a 5-gallon tank is nowhere big enough for that. Therefore, we recommend keeping them in a 20-gallon tank if you want to observe their unique schooling behavior.

What fish can go with mollies?

Some species that make good Molly fish tank mates are

Dwarf Cichlids, Rams, Discus, Keyhole Cichlids, and Severums

. They need at least a 20-gallon tank for the smaller species and up to 55 gallons for the species that can grow 8 inches or more!

Can mollies live with bettas?

Some of the main things to remember when adding mollies and bettas together are:

Mollies survive better in slightly brackish water

, while you may think bettas wouldn't like this the international betta congress approve of using aquarium salt as a general preventative and believe it's also beneficial to bettas.

Can I keep mollies in a 10 gallon tank?


Mollies need at least 10 gallons of tank space

. For each additional molly in the tank, you will want to have an additional 5+ gallons of tank space. As Mollies are schooling fish so a 10-gallon tank would be too small and we would recommend a 20-30 gallon tank to house 3 Mollies (such as Sailfin Mollies).

Can you mix mollies?

Can Different Types of Molly Fish Mate (Breed)? Albeit there being several varieties of molly fish,

they all can be mated

because regardless of the color or fin configuration, they are the same species, and any male will readily fertilize with all females.

Do mollies clean the tank?

Mollies can tolerate a wide range of environments; therefore, it is suitable for any aquariums. Besides, they're easy to maintain and

can even help clean out your tank

.

Do mollies need an air pump?

Naturally occurring bubbles from filtration are not enough, so

an air pump or air stone is necessary

. Pump-generated bubbles aerate your aquarium, providing your mollies with breathable oxygen. These bubbles also help minimize water maintenance by aiding filtration.

What do you do when a molly has babies?

What can you do with a 5 gallon tank?

How do you stock a 5 gallon tank?

How much gravel do I need for a 5 gallon tank?

How Much Gravel For A 5 Gallon Tank? Generally speaking, around 1 pound of substrate per gallon of water is what you want to go for. So, for a 5-gallon tank, this means you should be using about

5 pounds

of gravel substrate.

Is 5 gallons enough for a betta fish?


A 5-gallon tank is perfect for your betta fish

. It is small enough for a desktop or tabletop, but large enough to provide adequate swimming room for a betta. There are some good reasons why bigger is better. Really, it all comes down to water quality, and space.

Can I put 3 female bettas in a 5 gallon tank?

Female bettas are also territorial and will get into mild “quarrels” as they figure out the personality hierarchy.

The betta sorority should be a minimum of 4-5 females but no more than ten if the aquarium is large enough

.

Can 2 female bettas live in a 5 gallon tank?

Ideally, the minimum tank size we would recommend for a group of four to six female bettas is 10 gallons, although

two female bettas will do fine in a 5-gallon setup

. Female bettas can do well in a peaceful community tank, too, but you'll need more space if you want to add other tank mates.

Sophia Kim
Author
Sophia Kim
Sophia Kim is a food writer with a passion for cooking and entertaining. She has worked in various restaurants and catering companies, and has written for several food publications. Sophia's expertise in cooking and entertaining will help you create memorable meals and events.