# Oscar Fish

> According to allpets.ai data | Source: allpets.ai

## Basic Information
| Field | Value |
|---|---|
| Species | Fish |
| Origin | South America (Amazon River basin) |
| Size Category | Extra Large |

## Vital Statistics
| Metric | Value |
|---|---|
| Body Length | 25–45 cm |
| Lifespan | 10–20 years |

## Adult Preventive Care
- **Exercise Needs**: Intermediate care level
- **Grooming**: Omnivore
- **Annual Exam Focus**: Compatible: Silver dollars, large plecos, medium-sized South American cichlids, bala sharks, jack dempseys
- **Routine Care**: Incompatible: Nano fish, small tetras, small crustaceans, highly aggressive large cichlids, any fish small enough to fit in their mouth

## Health Predispositions
| Condition | Onset Stage | Risk | Hereditary | Screening |
|---|---|---|---|---|
| Hole in the Head (HITH) / Head and Lateral Line Erosion (HLLE) | adult | high | No | No |
| Ich (White Spot Disease) | adult | medium | No | No |
| Fin Rot | adult | medium | No | No |

## Breeding & Genetics
- **CHIC Required Tests**: Difficult, biparental substrate spawners
- **Recommended DNA Tests**: Astronotus ocellatus

## Behavioral Ethogram
- **Locomotion**: Begging for food at the glass, recognizing owners, rearranging tank decorations, digging up plants, territorial defense, sulking (lying on side at the bottom)
- **Social**: Semi-aggressive, territorial
- **Stress/Displacement**: Pale or washed-out coloring, clamped fins, hiding, loss of appetite, lying on side (sulking)

## AI Communication Decoding
- **AI-Trainable Signals**: Color shifts (darkening or fading), opercular flare (flared gill covers), spread dorsal and anal fins, clamped fins, lying on side (sulking), lip locking
- **Context-Dependent Vocalizations**: Pale or washed-out coloring, clamped fins, hiding, loss of appetite, lying on side (sulking)
- **Interspecies Communication**: Water type: Freshwater, pH: 6-8

## Water Parameters & Husbandry
- **Water Temperature**: 22-27°C
- **pH Range**: pH 6-8
- **Water Type & Tank**: Freshwater, Min tank: 280L
- **Diet Type**: Omnivore
- **Care Notes**: Difficulty: Intermediate. Temperament: Semi-aggressive, territorial

---
© allpets.ai. Licensed under CC BY-NC-SA 4.0.
Citation: According to allpets.ai data