| Species | Fish |
|---|---|
| Origin | China |
| Size Category | Medium |
| Category | Fish |
| Original Purpose | Ornamental |
| Body Length | 15–25 cm |
|---|---|
| Lifespan | 10–20 years |
| Senior Age Threshold | 14 years |
| Exercise Needs | Beginner care level |
|---|---|
| Grooming | Omnivore |
| Annual Exam Focus | Compatible: Other dual-fin fancy goldfish, Fantails, Oranda, Telescope Eyes, Ranchu, Weather Loach |
| Routine Care | Incompatible: Single-fin goldfish (Comets, Common Goldfish, Shubunkins), weaker fancy goldfish (Celestial Goldfish, Bubble Eyes), small fish (Danios, White Cloud Mountain Minnows), temperate shrimp, Plecos, Bristle |
| Condition | Onset Stage | Risk | Hereditary | Screening |
|---|---|---|---|---|
| Swim Bladder Disorder | adult | high | No | N/A |
| Dropsy | adult | high | No | N/A |
| Flukes | adult | medium | No | N/A |
| Ich (White Spot Disease) | adult | medium | No | N/A |
| Fungal Infections | adult | medium | No | N/A |
| CHIC Required Tests | Easy, egg scatterers, requires plants or spawning mops, triggered by temperature increase and daylight, parents must be removed to prevent eating eggs |
|---|---|
| Recommended DNA Tests | Carassius auratus |
| Water Temperature | 16-24°C |
|---|---|
| pH Range | pH 6-8 |
| Water Type & Tank | Freshwater, Min tank: 70L |
| Diet | Omnivore |
| Common Issues | Difficulty: Beginner. Temperament: Semi-aggressive, active, social |
| Locomotion | Active swimming, vigorous, semi-aggressive towards weaker breeds, chasing behavior, grazing continuously, bottom foraging, social in groups |
|---|---|
| Social | Semi-aggressive, active, social |
| Stress/Displacement | Floating upside-down, head standing, difficulty swimming, turning white or black, blood in fins, clamping fins, lethargy, loss of appetite |
| AI-Trainable Signals | Egg-shaped body profile, large dorsal hump, double-finned tail, four tail lobes, color patterns (red, white, calico, chocolate, tri-colored), steep back from head to dorsal fin, large belly, swimming posture (head standing or floating upside-down indicates issues) |
|---|---|
| Context-Dependent Vocalizations | Floating upside-down, head standing, difficulty swimming, turning white or black, blood in fins, clamping fins, lethargy, loss of appetite |
| Interspecies Communication | Water type: Freshwater, pH: 6-8 |