Oscar Fish
Advancedfreshwater
Overview
The oscar is a species of fish from the cichlid family known under a variety of common names, including Tiger Oscar, Velvet Cichlid, and Marble Cichlid.
Water Parameters
| Parameter | Value |
|---|---|
| Temperature | 23–28°C (73–82°F) |
| pH | 6.0–8.0 |
| Adult Size | 30–38 cm (12–15 in) |
| Min Tank | 75 gallons |
| Lifespan | 10–15 years |
Tank Setup
Feeding
Carnivore — cichlid pellets, earthworms, shrimp
Compatibility
Breeding
Image credit: Wikimedia Commons — licensed CC BY-SA 4.0.
Taxonomic data: *Astronotus ocellatus (Agassiz, 1831) * — GBIF (2026). Wikipedia summary: Oscar Fish — CC BY-SA 4.0.
Care parameters cross-referenced with Seriously Fish.
Quick facts & gear
- Min tank size
- 75 gallons
- Temperature
- 23–28°C (73–82°F)
- pH range
- 6.0–8.0
- Adult size
- 30–38 cm (12–15 in)
- Lifespan
- 10–15 years
- Origin
- Member of family Cichlidae, order Perciformes. See species profile for distribution details.
- Diet
- Carnivore —cichlid pelletsearthwormsshrimp