Species Profile
Knight Goby
Stigmatogobius sadanundio
Also known as: Fan Dance Goby
Gobiessemi-aggressive
Adult size
3″
Minimum tank
20 gal
Temperature
72–82°F
pH
7.5–8.5
Schooling
Solitary OK
Water level
bottom
Diet
Frozen bloodworms, mysis, sinking pellets, brine shrimp
Notes
Silvery body with black polka-dots and tall barred dorsal fin. Tolerates fresh to low-end brackish. Males display fin-flaring to each other but rarely cause injury. Hides during the day, becomes active at dusk.
Photo: Sir Francis Day / Wikimedia Commons · Source · Public domain