Silver mono
Monodactylus argenteus
- Tank length
- 180 cmabout 6 ft (71 in)
- Group
- 6+
- Temperature
- 22–25 °C72–77 °F
- pH
- 7.2–8.5
- Adult size
- 15 cm6 in
- Lifespan
- 8–10 yrs
Sold as a freshwater fish but needs brackish water as a juvenile and near-marine salinity as an adult; plan a large brackish tank for a group.Sold as a freshwater fish but needs brackish water as a juvenile and near-marine salinity as an adult; plan a large brackish tank for a group.
Tank sizes
Good tankmates
Avoid with
- Black kuhli loach
No shared pH rangeNo shared pH range
- Brilliant rasbora
No shared pH rangeNo shared pH range
- Emerald eye rasbora
No shared pH rangeNo shared pH range
- Irian Jaya rainbowfish
No shared temperature rangeNo shared temperature range
Lambchop rasboraNo shared pH rangeNo shared pH range
- Melon barb
No shared pH rangeNo shared pH range
- Panda garra
No shared pH rangeNo shared pH range
- Parkinson's rainbowfish
No shared temperature rangeNo shared temperature range
- Rusty cichlid
No shared temperature rangeNo shared temperature range
- Ticto barb
No shared pH rangeNo shared pH range
- Agassiz's dwarf cichlid
No shared pH rangeNo shared pH range
- Alligator gar
Alligator gar may eat Silver monoAlligator gar may eat Silver mono
Data used by the planner
| Temperature | 22–25 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · low confidence |
|---|---|---|
| pH | 7.2–8.5 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · medium confidence |
| Hardness (dGH) | 8–15 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · medium confidence |
| Origin | Indo West Pacific estuaries and coasts | curated-v0 (needs expert review) · low confidence |
| Beginner friendly | No | curated-v0 (needs expert review) · medium confidence |
| Care level | advanced | curated-v0 (needs expert review) · medium confidence |
| Activity | active | curated-v0 (needs expert review) · medium confidence |
| Swimming level | middle | curated-v0 (needs expert review) · medium confidence |
| Temperament | semi aggressive | curated-v0 (needs expert review) · medium confidence |
| Nips fins | No | curated-v0 (needs expert review) · medium confidence |
| Long fins | No | curated-v0 (needs expert review) · medium confidence |
| Territorial | No | curated-v0 (needs expert review) · medium confidence |
| Lives in groups | Yes | curated-v0 (needs expert review) · medium confidence |
| Minimum group | 6 | curated-v0 (needs expert review) · medium confidence |
| Diet | omnivore | curated-v0 (needs expert review) · medium confidence |
| Lifespan (years) | 8–10 | curated-v0 (needs expert review) · low confidence |
| Months to adult size | 18 | curated-v0 (needs expert review) · low confidence |
| Safe with plants | No | curated-v0 (needs expert review) · medium confidence |
| Minimum tank length | 180 | curated-v0 (needs expert review) · medium confidence |