Oscar
Astronotus ocellatus
Photo: Jón Helgi Jónsson (Amything) · CC BY-SA 3.0
- Adult size
- 30 cm12 in
- Start with
- 1
- Tank length
- 150 cmabout 5 ft (59 in)
- Lifespan
- 10–20 yrs
- Temperature
- 24–28 °C75–82 °F
- pH
- 6–8
- Hardness
- 3–20 dGH
- Diet
- carnivore
Plan for a powerful adult, substantial waste, and swallowed tank mates.Plan for a powerful adult, substantial waste, and swallowed tank mates.
Tank sizes
Good tankmates
Avoid with
Cockatoo dwarf cichlidOscar may eat Cockatoo dwarf cichlidOscar may eat Cockatoo dwarf cichlid
BettaOscar may eat BettaOscar may eat Betta
Chili rasboraOscar may eat Chili rasboraOscar may eat Chili rasbora
Dwarf rasboraOscar may eat Dwarf rasboraOscar may eat Dwarf rasbora
Common goldfishNo shared temperature rangeNo shared temperature range
Fancy goldfishNo shared temperature rangeNo shared temperature range
Pea pufferOscar may eat Pea pufferOscar may eat Pea puffer
Marbled hatchetfishOscar may eat Marbled hatchetfishOscar may eat Marbled hatchetfish
Bronze coryOscar may eat Bronze coryOscar may eat Bronze cory
Salt and pepper coryOscar may eat Salt and pepper coryOscar may eat Salt and pepper cory
Peppered coryOscar may eat Peppered coryOscar may eat Peppered cory
Panda coryOscar may eat Panda coryOscar may eat Panda cory
Sources
| temperature | 24–28 | curated-v0 (needs expert review) · medium |
|---|---|---|
| ph | 6–8 | curated-v0 (needs expert review) · medium |
| gh | 3–20 | curated-v0 (needs expert review) · medium |
| origin | Tropical Americas or Africa | curated-v0 (needs expert review) · low |
| notes | Plan for a powerful adult, substantial waste, and swallowed tank mates. | curated-v0 (needs expert review) · medium |
| beginner friendly | false | curated-v0 (needs expert review) · medium |
| care level | advanced | curated-v0 (needs expert review) · medium |
| color palette | #9EAA99, #465858 | curated-v0 (needs expert review) · low |
| activity | moderate | curated-v0 (needs expert review) · medium |
| swim zone | middle | curated-v0 (needs expert review) · medium |
| temperament | predatory | curated-v0 (needs expert review) · medium |
| fin nipper | false | curated-v0 (needs expert review) · medium |
| long finned | false | curated-v0 (needs expert review) · medium |
| territorial | true | curated-v0 (needs expert review) · medium |
| schooling | false | curated-v0 (needs expert review) · medium |
| schooling min | 1 | curated-v0 (needs expert review) · medium |
| diet | carnivore | curated-v0 (needs expert review) · medium |
| lifespan years | 10–20 | curated-v0 (needs expert review) · low |
| growth to adult months | 24 | curated-v0 (needs expert review) · low |
| length weight | {"a":0.012,"b":3} | curated-v0 (needs expert review) · low |
| planted safe | false | curated-v0 (needs expert review) · medium |
| min tank length | 150 | curated-v0 (needs expert review) · medium |
| body shape | cichlid | curated-v0 (needs expert review) · medium |