Empire Gudgeon (40-60mm)

Empire Gudgeons are hardy, strikingly colorful natives that add a splash of red and blue to community tanks. Males in breeding dress rival saltwater fish in beauty, making them a fantastic choice for aquarists wanting something unique and distinctly Australian.

• Common name: Empire Gudgeon

• Scientific name: Hypseleotris compressa

• Family: Eleotridae

• Origin: Northern & Eastern Australia, New Guinea

• Habitat: Freshwater rivers, creeks, billabongs, estuaries (can tolerate brackish water)

• Adult size: 8–12 cm (3–5")

• Lifespan: 3–5 years

🌿 Appearance

• Males are brilliantly colored during breeding, displaying vivid red, orange, and blue bands on the fins.

• Females are more subdued, typically silver or olive with transparent fins.

• Body is laterally compressed (hence the name compressa).

🏞 Tank Requirements

• Tank size: Minimum 80–100L for a group

• Water parameters:

  • Temperature: 22–28 °C

  • pH: 6.0–7.5

  • Hardness: 5–15 dGH

• Aquascape: Loves a planted aquarium with plenty of hiding places (driftwood, rocks, and dense plants).

• Prefers moderate flow and excellent water quality.

🍽 Diet

• Naturally feeds on insects, larvae, small crustaceans, and algae.

• In captivity: Accepts high-quality frozen/live foods (bloodworms, brine shrimp, daphnia), plus sinking pellets and flakes.

• Appreciates variety for best color and condition.

👫 Behavior & Compatibility

• Generally peaceful but males can become territorial in breeding season.

• Best kept in groups of 5+ to spread out aggression.

• Tank mates: small rainbows, tetras, rasboras, livebearers, corydoras, and shrimp-safe if well-fed (but may eat fry or very small shrimp).