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Clownfish Care: Your Easy Guide to Tank Setup, Food & Compatibility

Learn how to care for a Clownfish, recommended diet and aquarium setup. Find Clownfish for sale, supplies and equipment at your neighborhood Petco.

Updated on November 13th, 2025

New Pet

Aquatic Pet Safety: Keep Your Home Aquarium Pets Healthy & Safe

Learn how to safely handle your aquatic life to avoid toxin & bacterial exposure. Find aquatic life care supplies at your neighborhood Petco pet care center.

Updated on November 13th, 2025

New Pet

Saltwater Snail Care: Guide to a Healthy Reef Tank Cleanup Crew

Learn how to care for a marine snail, recommended diet and aquarium setup. Find marine snails for sale, supplies and equipment at your neighborhood Petco.

Updated on November 13th, 2025

New Pet

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.

Updated on November 13th, 2025

New Pet

Cardinalfish Care for Beginners: Tank Setup, Feeding, & Habitat Tips

Learn how to care for cardinal fish, recommended diet & aquarium setup. Find the right food, supplies & equipment at your neighborhood Petco.

Updated on November 13th, 2025

Health & Wellbeing

I dont know if you are a tropical fish specialist. But there is something going on in my tank and need help diagnosing it. My corydora has two raised growths ..one at the base of its fin. And one under the eye. My pleco seems a bit tattered too. A li

Thanks for reaching out about your aquarium and including photos. Did you test your water quality prior to the water change? Continue to test for pH, ammonia, nitrites and nitrates. Pristine water quality is needed for health. Are any of the fish new, that could have introduced parasites? Itching/flashing can be due to water quality, external parasites, bacterial or viral infections and other causes. The white lesions on the photo could be fungal infections. A skin scrape and examination under the microscope (at a veterinarian's office) is needed for an attempt to determine a cause. Fungal infections are often secondary problems, so check water quality first. Good luck.

Updated on August 12th, 2025

Health & Wellbeing

My koi are loosing scales and one of my goldfish has white bumps on it's head. What could it be?

This could be bacterial or parasitic infection. It is difficult to determine definitively since the image provided is not clear. Fish can be difficult to photograph. Basic care includes checking water quality and chemistry. This can be done using a home test kit or by submitting a water sample for testing. The local Petco may do this for free or for a small fee. There should be an absence of ammonia and nitrites with nitrates at 20-60 ppm. pH should be as close to 7 as possible, avoiding large swings. Koi can tolerate a wide range in temperature, but generally do best between 65 F and 75 F. Again, avoid large swings in temperature to prevent stress or shock. If necessary, a partial water change can be done to stabilize chemistry and/or improve water quality. If you have other koi, consider placing this one in a hospital tank to make treatment easier and to prevent spread if the condition is infectious. Plain aquarium salt (NOT table or Epsom salt) can be used to reduce stress, impro

Updated on August 12th, 2025

Health & Wellbeing

I just got a good fish today and it died why is that

The most common cause of death of a newly acquired fish is usually shock or incorrect water quality. Fish tanks should be set up and left running without fish for at least 3-4 weeks to establish a proper nitrogen cycle. There are products that can shorten this time period. If this is not done, there may be high levels of ammonia, chloramine, nitrates and nitrites which can kill a fish. When introducing a fish, the bag should be floated in the tank for about 30 minutes to acclimate the fish to water temperature. This can prevent shock if the water is too hot or too cold. Test your water quality with a home test kit or submit a sample for testing. Most pet stores or aquarists will do this for free or for a nominal fee. Correct any imbalances as indicated. Slowly acclimate any new fish as written above. You can request a consultation to discuss your concerns in greater detail if necessary. Buying fish and starting a tank can be quite confusing initially.

Updated on August 12th, 2025

Health & Wellbeing

have a little fish came home at 4pm and it was on the wave maker not quite moving it was stuck on it the side that was on the wave maker looks horrible moved to hospital tank she was moving around by on her side trying to move her tail with difficaul

The best you can do is to maintain pristine water quality and proper temperatures. If she is not a salt sensitive species, you can use plain aquarium salt (NOT table or Epsom salt) as a general tonic. It can reduce stress, improve gill function, treat minor infection/injury and aid in any recovery. Dissolve 1 teaspoon of salt pr gallon of water in a cup or two of tank water. Gently pour it into the tank. Treat for 14 days then reassess the condition. Perform partial water changes afterwards to reduce salinity. Use only conditioned water that is temperature matched to prevent further stress or shock.

Updated on August 12th, 2025

Health & Wellbeing

How to increase colour deep red and yellow citation of red blood parrot fish and yellow parrot fish ? And how far shyness of red blood parrot fish ?

Food, genetics and stress can all affect colors. There are color enhancing diets that you can buy. Maintaining pristine water quality and stable chemistry will limit stress. If the fish has muted colors due to genetics, there is nothing to be done. As far as being "shy", this can be due to anything that is stressful or potential illness or injury. This would require and exam to diagnose.

Updated on August 12th, 2025

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