Knight Goby - Stigmatogobius sadanundio

Knight Goby (Stigmatogobius sadanundio) is a hardy and attractive freshwater goby known for its distinctive black and white bands and lively behavior. This active bottom-dweller adds movement and personality to community tanks with peaceful or semi-aggressive species.

Description:

Common Name: Knight Goby

Scientific Name: Stigmatogobius sadanundio

Family: Gobiidae

Size: 3–4 inches

Temperament: Semi-aggressive

Difficulty: Easy to moderate

Native Region:

South and Southeast Asia (rivers and estuaries)

Aquarium Setup:

Tank Size: Minimum 20 gallons

Temperature: 72–78°F

pH: 6.5–7.5

Hardness: Soft to moderately hard

Decor: Sand or fine gravel substrate, plenty of hiding spots with rocks, caves, and plants; gentle to moderate water flow

Additional Tips:

• Tankmates: Compatible with peaceful to semi-aggressive species; avoid very small or very aggressive fish

• Diet: Carnivorous – feeds on live or frozen foods such as bloodworms, brine shrimp, and small insects, plus high-quality sinking pellets

• Behavior: Territorial with conspecifics; best kept singly or in a mated pair

• Care Note: Benefits from stable water parameters and regular maintenance