Spotted Scat

Scatophagus argus

Also known as: Scat, Green Scat, Red Scat, Argus Fish

A hardy, always hungry spotted fish that grows big and needs brackish to marine water.

Water

Brackish

Temperature

75–82°F

pH

7.5–8.5

Hardness

10–20 dGH

Max size

12 in

Min tank

125 gal

Temperament

Semi-aggressive

Social

Groups (4+)

Swim level

All

Diet

Omnivore

Care level

Advanced

Lifespan

15-20 years

Breeding

Egg-scatterer

Suitability

Advanced

Origin

Indo-Pacific coasts and estuaries

Young scats tolerate brackish water, but adults need higher salinity and a very large tank. They eat plants and have a huge appetite, so filtration must be heavy. Dorsal spines are mildly venomous, so handle with care.