Knight Goby

Stigmatogobius sadanundio

Also known as: Spotted Goby

A spotted goby with a tall first dorsal fin that is bold, active, and easy to feed.

Water

Brackish

Temperature

68–79°F

pH

7–8.5

Hardness

10–20 dGH

Max size

3.5 in

Min tank

20 gal

Temperament

Semi-aggressive

Social

Social

Swim level

Bottom

Diet

Carnivore

Care level

Intermediate

Lifespan

3-5 years

Breeding

Cave spawner

Suitability

Intermediate

Origin

Estuaries of South and Southeast Asia

Does best in low-end brackish water, though it can adapt to hard alkaline freshwater. It is territorial with its own kind and eats any fish small enough to swallow. Provide caves and feed meaty frozen foods.