🐟 Chilli Red Oscar Fish – Full Information Guide ✅ Common Names: Chilli Red Oscar Red Oscar Fire Red Oscar Red Tiger Oscar (sometimes used interchangeably) 🔬 Scientific Classification: Scientific...
Chilli Red Oscar
Red Oscar
Fire Red Oscar
Red Tiger Oscar (sometimes used interchangeably)
Scientific Name: Astronotus ocellatus
Family: Cichlidae
Order: Cichliformes
Origin: Native to the Amazon River basin, Chilli Red Oscars are selectively bred in captivity (not found in the wild)
| Feature | Description |
|---|---|
| Color | Vibrant solid red to deep orange-red coloration across the body. Some may have subtle darker markings or patterns. |
| Body Shape | Oval, muscular body typical of Oscars |
| Size | 10 – 14 inches (25 – 35 cm) in home aquariums |
| Fins | Rounded dorsal, caudal, and anal fins, often with red coloration |
| Eyespot (Ocellus) | May be present at the base of the tail (a defense trait) |
Intelligent & Social – recognizes owner, may eat from hand
Territorial – especially during breeding or with insufficient space
Semi-aggressive – may chase or dominate smaller or weaker fish
Interactive – often rearranges tank décor and plants
| Requirement | Ideal |
|---|---|
| Minimum Tank Size | 55 gallons for one fish, 75–100+ gallons for a pair |
| Temperature | 24°C – 28°C (75°F – 82°F) |
| pH Level | 6.0 – 7.5 |
| Water Hardness | 5 – 20 dGH |
| Filtration | Strong, canister or large internal filter (Oscars produce heavy bioload) |
| Aeration | Essential for oxygen levels |
| Lighting | Moderate – enhances red coloration |
| Substrate | Sand or smooth gravel |
| Decor | Rocks, driftwood, sturdy décor (Oscars may dig or shift decorations) |
| Plants | Hardy or artificial plants only; Oscars may uproot or damage live plants |
| Lid | Secure, as Oscars may jump |
| Compatible | Avoid |
|---|---|
| Other large cichlids (with caution) | Small fish like guppies, tetras |
| Large catfish (Plecos, Synodontis) | Fin-nippers (e.g., barbs) |
| Silver dollars, Severums, Bichirs | Crustaceans, snails (will be eaten) |
⚠️ Introduce tank mates when fish are juveniles for best compatibility.
| Type | Examples |
|---|---|
| Staple Food | High-quality cichlid pellets with color-enhancing properties |
| Live/Frozen | Earthworms, bloodworms, brine shrimp, krill |
| Vegetables | Blanched peas, spinach, lettuce |
| Occasional Treats | Insects, mealworms, crickets (occasionally) |
Feed 1–2 times daily
Remove uneaten food to avoid water fouling
Avoid feeder goldfish or fatty meats – may lead to health issues
| Feature | Details |
|---|---|
| Breeding Type | Egg-laying cichlid, substrate spawner |
| Mating | Monogamous pair bond; hard to sex – buy 4–6 juveniles to form pairs |
| Courtship Behavior | Lip-locking, territory cleaning |
| Spawning Surface | Flat rock, tank bottom |
| Egg Count | 500 – 1000 eggs per spawn |
| Hatching Time | 2 – 3 days |
| Fry Free-Swimming | After 5 – 7 days |
| Parental Care | Both parents actively guard eggs and fry |
| Common Issues | Prevention & Treatment |
|---|---|
| Hole-in-the-head disease (HITH) | Keep water ultra-clean, feed vitamin-rich food |
| Ich, fungus, fin rot | Treat early, maintain temperature and water quality |
| Internal parasites | Quarantine new fish; use anti-parasitic food |
| Obesity/Bloating | Feed a balanced diet; include fiber (peas, vegetables) |
Perform 30–50% weekly water changes
Use high-grade water conditioners
Always quarantine new fish or plants
10 – 15 years in captivity with good care
Can live up to 20 years in ideal conditions
| Feature | Details |
|---|---|
| Type | Freshwater, Large Cichlid |
| Color | Solid Red or Chilli Red |
| Size | 10 – 14 inches |
| Temperament | Semi-aggressive, Intelligent |
| Tank Size | 55 – 100+ gallons |
| Diet | Omnivorous |
| Breeding | Substrate spawner |
| Lifespan | 10 – 15 years |
| Care Level | Intermediate to Advanced |
Visually Stunning: One of the brightest colored Oscar varieties
Engaging Personality: Acts like a "pet" fish, with individual behavior
Easy to Feed: Accepts a wide variety of foods
Smart & Trainable: Can recognize owner, beg for food, even do tricks
Little Mermaid uses cookies to improve your experience. We'll assume you're ok with this, but you can opt-out if you wish.