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Related Articles & Questions

Food & Nutrition
What Do Small Fish Eat? Freshwater Feeding Guide
Feeding your freshwater fish isn't as simple as adding a pinch of flakes! Read these three tips to learn more about how to provide your pets the nutrition and environment they need.
Updated on July 17th, 2026
Food & Nutrition
Auto Feeding Fish on Vacation: Complete 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 July 17th, 2026
Care Sheets
Advanced Boxfish & Cowfish Care: Ultimate Tank Setup, Food, & Safety
Learn how to care for Boxfish & Cowfish, recommended diet and aquarium setup. Find the right food, supplies and equipment at your neighborhood Petco.
Updated on April 9th, 2026
Care Sheets
Freshwater Semi-Aggressive Fish: Top Secrets for a Thriving Tank
Learn how to care for semi-aggressive fish, recommended diet & aquarium setup. Find the right food, supplies & equipment at your neighborhood Petco.
Updated on April 9th, 2026
Care Sheets
Goldfish Care Guide: Tank Size, Food, Water Quality for Thriving Fish
Learn how to care for Goldfish, recommended diet and aquarium setup. Find the right food, supplies and equipment at your neighborhood Petco.
Updated on April 9th, 2026
Food & Nutrition
Does dog food's fish oil oxidize and lose omega-3s if open a month?
The oil should not spoil within a month. Check the sell by date on the bag. The oils should be stable until at least that date. Keep the bag in a cool dark place, and there should be no problem and the advertised amount of omega 3's should still be present.
Updated on September 24th, 2025
Food & Nutrition
Just got a small fish. What breed is it and how do I care for it?
Thanks for reaching out about you fish. It is believed to be a Comet goldfish. Water quality and nutrition is the key to success. Testing water parameter for pH, ammonia, nitrite and nitrate will give you guidance for a healthy environment. Purchased food should be rotated out every 3 months as vitamin C and other nutrients degrade over time. Trying to maintain water temperature can be challenging with out a heater, but most fresh water fish tolerate some changes. Good luck.
Updated on September 24th, 2025
Food & Nutrition
Can I add fish oil & calcium to my puppy's Royal Canin kibble?
Hi, thanks for using PetCoach! I do not recommend adding a calcium supplement to puppy food it can affect bone growth significantly in a puppy. I recommend stopping that immediately unless directed by your Vet. As for the fish oil, that is fine but how often depends on the brand you are using. Most fish oils have instructions on the bottle and are once daily. If you want to post a picture of the fish oil with the label we can try to help. I like Omega Benefits by VRS: http://vrshealth.com/canine-products/omegadog/ I hope this helps and have a great day!
Updated on September 24th, 2025
Food & Nutrition
Can fish oil help my cat thrive? What's the proper dosage?
If she is on a high quality, balanced diet I would be cautious about over supplementing her as this can lead to dietary excesses (especially with cod liver oil type supplements as they can be high in certain vitamins also). Plant based supplements such as viacutan may also be an option but 3-5 days a week is likely sufficient
Updated on September 24th, 2025
Food & Nutrition
My dog has dry skin. Is fish oil or olive oil safe to use orally or topically?
I would recommend an oral fatty acid supplement to help keep the skin healthy. Welactin is one we commonly use, though your vet can also recommend a product or your local pet store may also carry fatty acid supplements.
Updated on September 24th, 2025