The Royal Gramma fish may be small, but it is very colorful and can make for a wonderful addition to your aquarium. 

Lots of people enjoy having this fish as a pet, and it is very easy to care for. We will go over some of the basics of this fish and how to take proper care of it.

Royal Gramma Appearance

These fish have an extremely colorful appearance with their purple front half, which transitions to a bright yellow near the tail. There is also a slim black streak that goes from the fish’s mouth and over their eyes.

A fully matured adult royal gramma fish can grow up to just over three inches long. You won’t be able to tell whether these fish are female or male when they are born. These fish are all female at birth, but some of them become male within the first few days or weeks after birth.

The male fish are typically flashier and more colorful than the females. If you want to add a splash of color to your aquarium, you’ll want to keep this in mind.

Behavior

The royal gramma is a fairly docile and peaceful fish that doesn’t have any aggressive tendencies. If you keep one of these fish in a tank, they will likely spend a good amount of time in their cave or hiding out in the vegetation. 

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These fish can get somewhat aggressive if they discover another fish in the same tank occupying their hiding spot. They will even charge the offending fish, but usually won’t do any actual harm to them. Just let the interaction play out, as intervening can actually make things worse.

Royal Gramma in corals e1591438940527

Natural Habitat

You will be able to find the royal gramma fish in the Western Atlantic region. These fish tend to spend most of their time in areas with caves, reefs, and lots of rocks. This is because they often hide away from predators or just to relax.

Royal Gramma Care Guide

1. Tank Setup

These fish require a tank that is at least 30 gallons. If you are going to keep three or more of these fish together, you’ll need an 80 to 100 gallon tank. It needs to be large enough so that none of the fish feel encroached upon by any of the others.

You will also need to put in plenty of plants and caves, as they are big hiders. If you fail to provide enough shelter for your fish, they will get extremely stressed very quickly.

You don’t want to get a very bright light for your fish’s tank, as they prefer dim light. A medium water flow is best, as well as a solid filter that will keep the tank clean.

2. Water Conditions

The temperature of the water in your fish’s tank should be within the 72 to 78 degrees Fahrenheit range at all times. It should also have a pH level of 8.1 to 8.4, and a water hardness level of 8 to 12 Dkh.

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3. Royal Gramma Tank Mates

Finding a suitable tank mate for your royal gamma can be a bit of an issue. While these fish aren’t inherently aggressive, they can become agitated easily when kept with other fish that like to hide a lot. You definitely don’t want to put in any fish that look like a royal gramma. It is best to just keep these fish with their own kind.

4. Royal Gramma Food

You can give your royal gramma fish live and frozen foods, including brine shrimp and mysis shrimp. They will also eat various crustaceans. These foods will provide your fish a good source of protein, which is necessary to keep them healthy.

Fish flakes and pellets are also acceptable foods to give these fish. It is best to feed them three to four times each day, giving relatively small portions each time. This will help with preventing any potential digestive issues or overeating. Aim for the center of the tank’s water column when you put the food in their tank.

Royal Gramma swimming e1591438953710

Common Health Problems

Some of the most common diseases that are associated with royal gramma fish include ich, fungal infections, and bacterial infections. The best way to prevent infection with your fish is to maintain their tank and keep it as clean as possible. A dirty tank is a breeding ground for all sorts of harmful bacteria and fungus.

It is important that you also clean out your fish’s caves and other accessories that you put in their tank. This is something that many people forget to do, and it sometimes cost their fish’s lives.

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Royal Gramma Breeding

You won’t have a very difficult time breeding royal gramma fish. The male will construct a nest in the tank with small rocks as well as algae. A pregnant female will produce anywhere from a few eggs to forty at one time.

It takes about a week for these fish’s eggs to hatch. If you want to be around while they hatch, you should keep in mind that it typically happens at nighttime when it is dark.

Conclusion

  • The combination of purple and yellow colors that these fish sport makes them vibrant and beautiful to say the least.
  • These fish can grow to be just over three inches long as fully matured adults.
  • Most royal grammas are fairly peaceful fish, but they can become aggressive when competing for hiding spots in a tank.
  • If you are going to keep one or two of these fish, you’ll need at least a 30 gallon tank.
  • If you plan to keep more than a couple royal grammas, you should get an 80 to 100 gallon tank.
  • Keep the water temperature at a range of 72 to 78 degrees Fahrenheit at all times.
  • It is a good idea to switch up the foods you give these fish with a combination of dry and live food.
  • These fish love to eat shrimps and crustaceans.
  • Bacterial and fungal infections can be an issue with these fish, but keeping their tank clean will greatly reduces the chances of this.
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