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Related Articles & Questions
- Food & Nutrition
Worry-Free Fish Feeding: Vacation Sitters & Auto Feeder Guide
Do you have questions about feeding your fish while on vacation? Petco has the answers! Visit us to learn about fish dietary needs.
Updated on November 13th, 2025
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Mastering Discus Fish Care: Tank Setup, Feeding & Water Quality Guide
Learn how to care for a Discus, recommended diet and aquarium setup. Find Discus for sale, supplies and equipment at your neighborhood Petco.
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- Health & Wellbeing
I have a 20 gallon tank. I'm thinking of buying +5 fish. Which fish could I buy and what would I need for the fish and tank?
A fish tank will need a filter, a light/hood and a heater. Make sure the filter is rated for at least twice the tank volume. The heater should be adjustable since water temperature will depend on the species of fish. Good "starter" fish include Tetras, Mollies, Danios or Tetras. A new tank should be set up and left running empty for several weeks before adding fish. A pinch of flake food can be sprinkled in daily. This "cycling" will allow a population of beneficial bacteria to colonize the tank and filter. These bacteria will break down wastes (ammonia, nitrites and nitrates) which are toxic to fish.
Updated on August 12th, 2025
- Health & Wellbeing
Hello. Can I feed a figure 8 pufferfish live or dead meal worms? Or frozen thawed tilapia? Live feeder fish? Ghost shrimp? Thanks!
Thanks for reaching out about your pufferfish. Meal worms are bags of fat and should be used as treats only. Frozen thawed tilapia is okay, but no bones thus a reverse calcium-phosphorus ratio. Ghost shrimp okay, live feeder fish okay but pufferfish not super fast. Small clams or snails are a good source as also require chewing to get into. Pufferfish have dentition that can overgrow is not chewing a lot. Good luck.
Updated on August 12th, 2025
- Food & Nutrition
Hello. My betta fish is a baby and I don't know how much to feed her. Whenever I go over to her tank, she swims around and begs for food. I don't know how much I should feed her. I feed her on flake once a day everyday. Should I be feeding her more?
While she is a baby, you can feed her twice a day. Only feed as much as she can eat in a minute or two. If you feed too much the feed will fall to the ground and then contaminate the water.Later, when she is grown up you can change to feeding her once a day. Your fish figured out that you feed her when you come near the tank, So it is fairly normal for her to beg.
Updated on August 12th, 2025
- Health & Wellbeing
My fish is acting sick. He is not really eating and he keeps going to the surface to breathe . He is also getting these little what looks like panic attacks and swims very fast and even hits his head constantly on the edges of his tank. I started to
Check water chemistry first. Use a home test kit or submit a water sample for testing. The local Petco may do this for free or for a small fee. Aim for an absence ( 0 ppm) of ammonia and nitrites with nitrates at 20 ppm or less. Perform partial water changes, no more than 30% at a time, to stabilize chemistry and/or to improve water quality. Use only conditioned water that is temperature matched to prevent stress or shock. Check water temp as well. Any of these can drive a fish to the surface. The "flashing" (darting about) can be due to infection (bacterial, fungal or parasites). Consider a broad spectrum antibiotic or an "all in one" product to treat multiple infections. Look in the Aquarium section of the local Petco for options. Follow label directions carefully and remove the carbon filter insert during treatment if indicated.
Updated on August 12th, 2025
- Food & Nutrition
Hi, I bought 2 wood shrimp about a week ago and the woman from the pet store has accidentally put a fish fry in the bag with them he made the journey home and is in his own tank, however I’ve never dealt with fry before I have the food for him he see
It should be fine on its own. Once it gets bigger and you can definitively identify it, you can then decide to add tank mates or not. Continue to feed it the fry food. You can also use finely ground flakes or pellets.
Updated on August 12th, 2025
