Yellow Clown Goby fish

Yellow Clown Goby fish

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The Yellow Clown Goby fish, also known as Gobiodon okinawae, is a popular species among saltwater aquarium hobbyists due to its striking appearance and ease of care. These small fish are native to the Indo-Pacific region, where they can be found living in coral reefs and rocky outcrops.

If you're interested in keeping a Yellow Clown Goby in your aquarium, here are some important care tips to keep in mind:

Tank Size and Setup

Yellow Clown Gobies are a small species, typically growing to no more than 1.5 inches in length. However, they are active swimmers and need ample room to move around. A tank size of at least 10 gallons is recommended for a single fish, with an additional 5 gallons of water per additional fish.

These fish prefer a well-established aquarium with plenty of live rock and coral for hiding places and foraging opportunities. They may also enjoy the addition of a sandy substrate to mimic their natural environment.

Water Conditions

Yellow Clown Gobies require specific water conditions to thrive. The ideal water temperature range is between 74-78°F, with a pH range of 8.1-8.4 and a salinity level of 1.020-1.025.

It's important to maintain good water quality, so regular water changes are essential. A protein skimmer and a good filtration system are also recommended to keep the water clean and healthy for your fish.


Yellow Clown Gobies are primarily herbivores, and their diet should consist of a variety of live or frozen foods such as brine shrimp, mysis shrimp, and algae. They will also feed on copepods and other small crustaceans found in a well-established aquarium.

It's important to feed them small amounts multiple times a day rather than one large feeding to prevent overfeeding and ensure that they receive adequate nutrition.


Yellow Clown Gobies are peaceful fish and can be kept with other non-aggressive species in a community tank. They are known for their interesting behavior, including the ability to change their coloration based on their mood.

These fish are also known to form symbiotic relationships with certain species of corals, using them as hiding places and even feeding on their mucus secretions.


Yellow Clown Gobies are not commonly bred in captivity, but it is possible with the right setup and conditions. A separate breeding tank with plenty of hiding places and live rock is recommended.

These fish are mouthbrooders, meaning that the male will incubate the eggs in his mouth until they hatch. Once the eggs hatch, the fry will be released and require small amounts of food multiple times a day.


In conclusion, the Yellow Clown Goby is a beautiful and fascinating fish that is relatively easy to care for in a well-maintained saltwater aquarium. By providing them with the proper tank setup, water conditions, and diet, you can enjoy watching these active fish thrive in your home aquarium.