Rhinogobius giurinus (Bar Cheek Goby) – ~8 cm

The Rhinogobius giurinus, commonly known as the Bar Cheek Goby, is a captivating freshwater species native to East Asia. Typically reaching around 8 cm in length, this goby is distinguished by its slender, torpedo-shaped body adorned with characteristic bar-like markings on its cheeks. Its natural habitats include cool, well-oxygenated streams and estuaries across China, Korea, Taiwan, Japan, and Vietnam. In the aquarium, it adds dynamic movement and subtle coloration to the bottom and mid-water regions.

🧾 Care Instructions

• Tank Setup:

  • Minimum size: 60 × 30 cm (~54 L)

  • Substrate: Fine sand or a mix of sand and small pebbles

  • Decor: Rocks, driftwood, and caves to simulate natural hiding spots

  • Water flow: Gentle to moderate current to mimic stream conditions

• Water Parameters:

  • Temperature: 18–24 °C

  • pH: 6.5–8.5

  • Hardness: General hardness (GH) 5–10°, carbonate hardness (KH) 2–6°

  • Total Dissolved Solids (TDS): 36–357

• Diet:

  • Omnivorous

  • Accepts high-quality flakes, micro pellets, and small live or frozen foods like daphnia and bloodworms

• Behavior & Tankmates:

  • Generally peaceful but may exhibit mild territoriality

  • Best kept with similarly sized, non-aggressive species

  • Avoid housing with small invertebrates, as they may become prey

• Breeding:

  • Spawning occurs from July to October

  • Eggs are laid under stones in river shoals

  • Males guard the eggs and larvae, which hatch in 3–4 days and initially drift in the water column before settling to the substrate