Mono Argentea

Monodactylus argenteus

Also known as: Silver Moony, Mono, Diamondfish, Malayan Angel

A shiny, disc-shaped silver schooling fish that becomes a showpiece in large brackish tanks.

Water

Brackish

Temperature

75–82°F

pH

7.5–8.5

Hardness

10–20 dGH

Max size

9 in

Min tank

125 gal

Temperament

Semi-aggressive

Social

Schooling (6+)

Swim level

Mid

Diet

Omnivore

Care level

Advanced

Lifespan

8-10 years

Breeding

Egg-scatterer

Suitability

Advanced

Origin

Indo-West Pacific coasts, East Africa to Australia

Juveniles tolerate brackish water, but adults need higher salinity up to full marine. Keep six or more in a large tank, since singles become skittish or aggressive. They eat small fish and grow to around 9 inches.