What size tank does a Empire Gudgeon need?

Empire Gudgeon needs a minimum of 20 gallons, with 30 gallons recommended. They are bottom swimmers.

Is Empire Gudgeon good for beginners?

Empire Gudgeon is rated "intermediate" difficulty (2/5). Great for beginners.

What fish are compatible with Empire Gudgeon?

Empire Gudgeon is peaceful. Compatible tank mates include other peaceful fish with similar water parameters (pH 6.5-7.5, temp 72-82°F).

Empire Gudgeon

Hypseleotris compressa

Family: Eleotridae • Origin: Various

Empire Gudgeon (Hypseleotris compressa) is a peaceful other reaching 4.5 inches. Can be kept singly. Minimum tank: 20 gallons.

Min Tank

20 gal

Max Size

4.5"

Temperature

72-82°F

6.5-7.5

Lifespan

5 years

School Size

Solo OK

Swim Level

bottom

Hardness

5-15 dGH

peacefulintermediateomnivore

Is Empire Gudgeon Right for Your Tank?

Empire Gudgeon is an excellent choice for beginners — rated "intermediate" difficulty (2/5). They're hardy, forgiving of minor water parameter fluctuations, and generally easy to feed. A 20-gallon tank minimum is standard — most community setups will accommodate them.

With a peaceful temperament, Empire Gudgeon makes a great community fish. They coexist well with other non-aggressive species of similar size. Expected lifespan: 5 years with proper care.

Common Mistakes with Empire Gudgeon

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Relying on a heater without a thermometer

Empire Gudgeon needs 72–82°F. Heaters malfunction or drift over time — always use a separate thermometer to verify. Temperature swings of even 3–4°F can trigger stress and disease, particularly ich.

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Putting them in a tank under 20 gallons

Many beginners underestimate tank size needs. Empire Gudgeon requires at least 20 gallons — ideally 30. Cramped tanks lead to stunted growth, aggression, and poor water quality.

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Skipping the quarantine period

Even healthy-looking fish can carry parasites or disease. Quarantine new Empire Gudgeon for 2–4 weeks in a separate tank before adding to your main aquarium.