Can koi and goldfish be kept together?

We commonly hear this question and it's a little bit of a headscratcher. Let's look into the similarities and differences of these two species and what diseases you should consider between the two. The Goldfish - Carassus auratus Among the many variations of goldfish is a common ancestor. Thought to be a distant descendant of [...]

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When Do You Need a Fish Vet?

When Do You Need a Fish Vet?

For any pet that is sick, you may be questioning if they are sick enough to warrant a trip to/from the vet. Aquatic or not, there is not always a clear line that indicates 'take to vet now!' And you know what? Your fish might NOT need a veterinarian. Here are some of the things [...]

Salt in Fish Systems

Salt is a normal component of many fish systems. Saltwater and brackish systems require salt on a continual basis. But what about freshwater systems? Some internet pages recommend keeping salt in koi/goldfish ponds/tanks at all times. Others say don't bother. What are the effects of salt on an all-freshwater species? In a freshwater environment, a [...]

Fish Surgery Diagnostics

How do fish veterinarians decide when it's time for a fish to go under the knife? Surgery can be very beneficial for fish when it is warranted. Water Quality Testing Prior to any surgery, a veterinarian MUST test the water quality. If the water quality is off in any way, recovery after surgery will be [...]

Pond Bottom Cleaning – Best Practices

Now that we've covered all your potential options for pond substrates, how is the best way to go about cleaning the bottom of your pond? Here's the full checklist of tasks for all ponds to keep up with on a daily/weekly/monthly/yearly basis. If you have rocks on the bottom of your pond: To prevent the [...]

What’s at the bottom of your pond?

There are many ways to build a koi pond, and some methods can affect your maintenance regimen. Your pond bottom, also known as your substrate, can dramatically change how much time and effort you spend cleaning your pond. We'll cover some of the most common bottom covers and the pros and cons of each Gravel/Small [...]

Top 5 Spring Diseases in Koi

It's almost koi season at Aquatic Veterinary Services! Here are our most common diseases we can expect to see and the signs you should be aware of if any of these diseases are present in your pond. 5. Carp Pox Although not THE koi herpes virus, carp pox is also known as cyprinid herpesvirus-1. It [...]

Top 5 Most Common Problems with Koi Ponds

Koi make up the majority of our veterinary practice, and in seeing so many cases, some common themes occur. Don't make the same mistakes with your fish! Not Checking Your Fish Daily - We know in the winter, when metabolisms are quiet, your fish are not very entertaining. However, even in the slower, winter months, [...]

Top 10 Mistakes New Fish Owners Make – #4

The #4 Mistake - Not Testing Your Water Ponder the following situation: you have two glasses before you. One is tap water and the other is hydrochloric acid. How do you know which one is safe to drink by looking at them? Which one would you put your fish into? It is impossible to tell [...]

Rotting Eggs & Fish Don’t Mix

Rotting Eggs & Fish Don’t Mix

Have you ever been cleaning your pond, maybe pulling out dead plants, and smelled rotting eggs? This unfortunate smell is hydrogen sulfide, the product of anaerobic bacteria buried deep in the mud. Hydrogen sulfide is highly toxic to fish and can can death very quickly. Fish who are exposed suffer an increase in secondary infections [...]