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1. Clean aquarium regularly

2. Feed fish daily

3. Keep fish alive

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Scientific name: Poecilia Spheops

Common name: Mollies

Behavior: Usually peaceful and active

pH range: 7.0-8.5

Temperature: 72F-78F

Swim range: middle to top of the tank

Swim type: prefers to swim in groups

Feeding recommendations: 2-3 small feedings a day

Type of fish: Genus Poecilia

Environment: warm; slightly alkaline water; freshwater

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Bettas

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Cory Cats

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Discus

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1) Freshwater

2) They stay in the middle-top of the tank; warm water; slightly alkaline water

3) They need at least 20 gallons

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For my decor, I want to have multiple rocks of different shapes and sizes. I also want plants and either sand or gravel at the bottom of the tank.

Typically, these items will cost roughly $40 depending on where I go to buy it all.

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Sand

Would cost ~$25

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Tank lighting is used to simulate day and night for the fish and also add warmth to the tank.

Mollies need 8-12 hours of light daily

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Hood covers stop fish from jumping out the tank

Mollies are easy-going fish, so I don't need to worry about this. I don't need a hood cover.

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72F-78F

I might need a heater because the temperature in the school building fluctuates, but I am not willing to buy one. They cost around $15.

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For my tank, I could use a sponge filter, hang-on back or canister filter

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Mollies need at least 10 gallons, 20 gallons to be more comfortable.

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Mollies get air through their gills.

I could add an air pump to make sure the fish get the correct oxygen levels.

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I am also putting myself on a budget for setting up my fish tank, so I don't go overboard. I decided to get a sponge filter because they are pretty inexpensive and not only filter the tank but also increase the dissolved oxygen levels in the aquarium. I also decided to add sand to the bottom of the tank, so the fish will have an easy time getting food that's fallen. I choose to get mollies because I want a relatively easy fish to take care of. They also get along with plenty of other fish.

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Iqbal, byMohsin, et al. “Molly Fish 101: Care, Types, Food, Lifespan & More!” Aquarium Source, 2 Aug. 2025, www.aquariumsource.com/molly-fish/.

Accessed 27 Aug. 2025.

“Light Fish.” Light.fish, 2023, light.fish/blog/aquarium-safe-play-sand. Accessed 27 Aug. 2025.

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https://www.facebook.com/aquariumstoredepot. “Molly Fish Tank Mates - 15 Great Choices (with Pictures)!” AquariumStoreDepot, 29 Oct. 2022, aquariumstoredepot.com/blogs/news/molly-fish-tank-mates.

‌Accessed 27 Aug. 2025.