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FishSaltwaterIntermediateSemi aggressive

bumblebee fish

Brachygobius xanthozona

Bold black-and-yellow banding packed into a tiny, personality-filled goby.

bumblebee fish
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© songkranth · cc-by-nc

About

The bumblebee fish (Brachygobius xanthozona) is one of those fish that immediately draws attention despite being barely an inch or two long. The bold alternating bands of yellow and near-black that run the length of its body are the source of its common name, and they make it surprisingly easy to spot even in a well-planted tank. Native to the Indomalayan region, this little goby is found across parts of Southeast Asia, where it inhabits brackish coastal environments, mangrove zones, and the lower reaches of rivers with some tidal influence. That background matters a lot in the aquarium, because this species genuinely benefits from a low-end brackish setup rather than pure freshwater, and skipping that detail is probably the most common reason keepers struggle with it. Bumblebee fish are bottom-oriented and tend to claim small territories, perching on rocks or substrate and occasionally squabbling with one another, though serious aggression is fairly limited. They can be tricky to feed, since many individuals prefer live or frozen invertebrates over prepared foods, which bumps the care level up to intermediate. Given their specific habitat needs and feeding preferences, they reward keepers who do a bit of homework before setting up a tank for them.

Frequently asked questions

Is the bumblebee fish aggressive?
The bumblebee fish is semi-aggressive. It can work in a community with careful tankmate choices and enough space.
What does the bumblebee fish eat?
The bumblebee fish is a carnivore. It needs a meaty, protein-rich diet of frozen or live foods.