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The Bullethead Goby, scientifically known as Brachygobius xanthozonus, is a charming and diminutive freshwater fish that adds character to small aquariums. With its distinctive appearance and lively behavior, the Bullethead Goby is an excellent choice for enthusiasts looking to create a unique and dynamic aquatic environment.



  • Average Size: 1 inch
  • Max Size: 1.5 inches
  • Tank Size Required: 5 gallons or larger


Temperament: Known for its peaceful nature, the Bullethead Goby is a suitable addition to community aquariums with other small, non-aggressive species. It is known to exhibit fascinating territorial behaviors, especially around its chosen hiding spots.


Unique Traits: The Bullethead Goby gets its name from its distinctively shaped head, resembling a small bulge or bump. This feature, combined with its vibrant coloration, makes it a visually appealing and interesting species to observe.


Origin: Native to Southeast Asia, particularly found in slow-moving streams, rivers, and marshy areas. The Bullethead Goby is adapted to environments with sandy substrates and areas with ample hiding spots.


Other Names:

  • Dwarf Goby
  • Yellow Bullethead Goby


Care Level: Easy


Diet: Feeding the Bullethead Goby is relatively straightforward, as it readily accepts a diet of high-quality flakes, pellets, and small frozen or live foods such as brine shrimp or daphnia. Offering a varied diet contributes to its overall health and vibrancy.


Characteristics and Looks: The Bullethead Goby features a small, elongated body with vibrant yellow coloration and distinctive markings. Its bulbous head is a standout feature, adding to its unique appearance. This goby is known for its playful and active swimming behavior.


Water Parameters:

  • pH: 7.0-7.5
  • gH (General Hardness): 5-15 dGH
  • kH (Carbonate Hardness): 5-10 dKH
  • TDS (Total Dissolved Solids): 150-300 ppm
  • Temperature: 75-79°F


Disclaimer: "Please note that these are general guidelines, and for more accurate values, we encourage you to contact Living Aquarium by phone or in person. Within store hours, our team of experts is always happy to answer any questions you may have and provide personalized guidance on care."

Bullethead Goby

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