The Mandarin Dragonet (Synchiropus Splendidus) is one of the most stunning fishes ever to reach the hobby. Blue, green and orange lines and patches are intricately painted onto this spectacular fish. Despite not being a true goby, the name “mandarin goby” seems to have stuck with this fish. A more accurate name for it is the mandarin dragonet.

The mandarin dragonet is heavily collected from the Indo-Pacific. Unfortunately they do poorly in captivity despite their popularity. I will address this problem later in the article.

The mandarin dragonet is one of the most unaggressive fishes available in the trade. They are aggressive only towards other members of the genus such as the scooter dragonets. If you’re interested in a pair of mandarin dragonets, buy a female and a male (elongated first dorsal spine) and introduce them together in the tank.

Fully grown mandarins come in a about 4 inches in length. 30 gallons should be the minimum size for this species, only if you can get them to eat. Getting them to eat prepared foods is a real challenge. Copepods in the wild are all they eat. Therefore, they need a tank full of live copepods, something like a 75 gallon established aquarium. You’ll never have to feed them in an established tank that large. The copepod populations in the tank will sustain them.

With some time and a lot of effort, mandarin fish can be trained to accept prepared foods, even pellets.You’ll need live adult artemia to accomplish this task. Getting them to eat live brine is easy enough, they’re receptive to live artemia. Next, introduce some frozen artemia with the live ones during your next feeding. Once they start taking frozen artemia the task is half done. Since brine shrimp is nutritionally poor, we need to get to feed on something like mysis shrimp or krill.

As before, slowly introduce some mysis in with the frozen artemia. If you can get them on a frozen mysis shrimp diet, you’ve completed the task. Expand to other foods like a good pellet and krill.

But wait, thats just one problem out of the way. They are extremely slow eaters. Their tank mates will finish everything before it gets a chance to grab a single mysis. This problem can be solved in three simple ways. You could blast food into the tank to ensure the mandarin gets some. Or, you can use a pipette to spot feed your mandarin dragonet. Lastly, you can find a plastic soft drink bottle that has a hole only the mandarin can fit through and put some foods there.

All three options can work, but its up to you to choose one.

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