Mono argentus
Monodactylus argenteus · Monodactylidae
Also known as Silver moony, Mono
Advanced
A fast, silver shoaler that starts brackish and ends up needing near-marine water and a big tank.
In short: A mono argentus needs at least 570 L (151 US gal), water at 24–28 °C (75–82 °F) and pH 7.8–8.5. It is semi-aggressive, best kept in groups of 4 or more, and rated advanced to keep.
Updated
- Minimum tank
- 570 L (151 US gal)
- Temperature
- 24–28 °C (75–82 °F)
- pH
- 7.8–8.5
- Adult size
- 25 cm (9.8 in)
- Group size
- 4+
Care requirements
- Minimum tank volume
- 570 L (151 US gal)
- Temperature
- 24–28 °C (75–82 °F)
- pH
- 7.8–8.5
- Hardness
- 12–30 dGH
- Lifespan
- 8–12 years
- Diet
- Omnivore — pellets, mysis, krill, nori.
- Care level
- Advanced
Origin & habitat
- Native region
- Indo-Pacific estuaries including India
- Water type
- Brackish
- Biotope
- Mangrove channels and harbours
- Natural conditions
- Raise salinity with age, from about 1.008 to near marine; strong flow.
Behaviour & stocking
- Temperament
- Semi-aggressive
- Minimum group
- 4 fish
- Swims
- All levels
- Good tank mates
- ArcherfishScatsLarge brackish gobies
- Avoid
- Small fishSmall tanksShrimp
Breeding & difficulty
- Breeding difficulty
- Advanced
- Sexing
- No external difference.
- Notes
- Not bred in captivity.
- Common ailments
- IchStress damage from cramped tanks
Will it fit your tank?
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