Fish Personalities: Is My Fish Acting “Normal?”

angel fish personalities

As a fish veterinarian, I am frequently asked about fish personalities. Well, although no scientific studies have been done, and honestly, I’m not sure how it would even be attempted, from my 10 years of experience, fish absolutely have personalities, with various fish behavioral quirks. Fish personalities can vary widely and many do not stick …

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Learn How Often to Feed Goldfish

a large group of fish swimming in a tank.

**Post contains affiliate links.** Understanding how often to feed goldfish is an important concept for all owners to understand. In learning how often to feed fish of any species, it comes down to one critical point: temperature. Why is temperature important in feeding fish? Almost all fish, with very few exceptions, are ectotherms. This means

How to Breed Goldfish Successfully

a fish tank filled with lots of different types of fish.

Breeding goldfish can be a fun endeavor for any fish keeper. Before you start breeding your goldfish, plan ahead to make sure your fish will be healthy and strong. Read on to learn how to breed goldfish. Are you ready for more goldfish? Remember, goldfish are messy critters and require lots of room, starting at

What do I do for a goldfish laying on bottom of tank?

a couple of fish sitting on top of a wooden plank.

**Post contains affiliate links.** Help! I have a goldfish laying on bottom of tank! What do I do? If your fish is in distress, there are certain steps you should take in order to get him back to normal. Step #1: Check Your Water Chemistry We’ll never stop saying it; water quality is the #1

How big do goldfish get? From 1″ to 14″!

only child gold fish personalities

As prominent members of the carp family, goldfish contain the genetics for very large growth. There are many giant goldfish claims that actually turn out to be orange koi, a very close cousin of the goldfish. Depending on the goldfish type in question, how big do goldfish get? How big do comet goldfish get? Comet

How long can goldfish go without food?

In an emergency scenario, you may need to let your goldfish go without food. This is not the same as fasting, which should never be attempted without veterinary supervision, and is not an excuse for vacation care. But, when the situation occurs, how long can goldfish go without food? Temperature Considerations Remember that almost all

What fish can live with goldfish?

Gold Fish

When it comes to choosing goldfish tank mates, it mostly comes down to size and temperature tolerances. Goldfish are relatively easy going fish; for the most part, there are always outliers. Here is a selection of what fish can live with goldfish: Only Child Yes, your goldfish can be an only child. Most goldfish will

Celebrate Your Goldfish’s 10th Birthday

a goldfish with a party hat on it's head.

A goldfish’s 10th birthday is something they rarely get to celebrate. For many others, this isn’t even half way through their lifetimes! The world record holder for oldest goldfish lived to be 43! How can you ensure your goldfish lives a long and happy life, possibly surpassing this milestone birthday? If you’re thinking, ‘why would

What causes bumps on goldfish? What bumps should I worry about?

a fish that is swimming in a tank.

Many clients call our office with concerns about “bumps on goldfish.” Most of these growths are benign cutaneous tumors within the layers of the fish’s skin. (Technically nerve sheath tumors aka neurofibromas or shwannomas.) It is very common to have goldfish with a few lumps, bumps, nodules or growths; whatever you want to call it.

How to Tell the Gender of a Fish

sick fish

How to tell the gender of a fish? There are some situations in fish keeping where you will need to know which are boys and which are girls. For example: trying to set up a single sex population can help keep spawning practices from hurting your fish, but determining males from females can sometimes be

Is it normal for my fish to change color?

a large orange and white fish in a blue container.

If you’ve owned your goldfish/betta/koi for a few years, you may have noticed that they might not look the same as when you first brought them home. It is NORMAL for many fish species to change color as they get older, with some orange goldfish turning white, white bettas turning blue, and black and red

Fancy Goldfish Buoyancy Help

a fish in a tank with plants and rocks.

Not all goldfish are created equally, especially fancy goldfish. Fancy goldfish buoyancy disorders are very common due to their manipulated anatomy. 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

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