No, not a cartoon character, but rather a physical descriptor. Fish popeye is another common problem we run into at our practice. What is “popeye” and how can it be treated? Is there a way to prevent it in your fish? Common Causes of Fish Popeye The #1 cause ofLearn More →

There are many fanciful varieties of guppies, with “proprietary” strains being offered at almost every online site. Guppies are prolific and colorful fish, but beware when you search out these rare and unique strains. Like overbred goldfish, guppy inbreeding is rampant among these extra special varietals, so owners please beLearn More →

One of the most common calls we get from our clients is for fish with “fin rot.” Fin rot in pet fish is easily confused with trauma and general illness, especially in fish with ornate tails, such as bettas and fancy goldfish. So what exactly is “fin rot,” and howLearn More →

Many people will say that some fish, goldfish in particular, will “grow to the size of their container.” If given lots of room and food, carp species, including goldfish and koi, have the potential for ridiculous growth, up to 16-20″! Many of the largest goldfish even seen were once petsLearn More →

Oh, goody! Another “disease” for our Fake Fish Diagnoses file. I recently received an email explaining how “egg binding” kills fish, and I figured it would be an excellent opportunity to set the record straight. Many hobbyists are unaware that koi, and many of their fish cousins, are constantly carryingLearn More →

Not all goldfish are created equally, especially fancy goldfish. Many of these varieties have sacrificed internal function for hunched bodies, long, decorative fins and bulging body parts. Most comet and other long-body goldfish varieties will look like this on the inside (minus the pebble): Those two grey blobs in theLearn More →

When it comes to sick fish, the internet can be more confusing than helpful. As far as we know, Google does not have any medical degrees, so let’s clear some things up. Here are the most common fake fish diseases our offices comes across: “My fish has ‘swim bladder.’” ThisLearn More →

Many “internet fish helpers” recommend fasting sick fish, or decreasing their diet, and we have to ask…WHY?!?!? If you were constantly swimming to survive, you’d be burning a lot more calories than sitting at your desk, reading this article. When you’re sick, you often want to lay around in bedLearn More →

Floating goldfish post-eating is a common issue that results in an internet wormhole. Let’s get some facts straight: Goldfish are Physostomous Fish Yes, it’s a big word. What is means is that goldfish, like many other carp, have a pneumatic duct between their swim bladder and esophagus. It connects inLearn More →

An aquatic environment is an ideal growth environment for many fungi, especially water molds such as Saprolegnia. Unless your fish’s immune system is compromised, you won’t have any reason to worry about fungal infections. Fungal Species There are thousands of potential species of fungus lurking in your aquarium or pond.Learn More →