| Species | Fish |
|---|---|
| Origin | Japan |
| Size Category | Large |
| Category | Fish |
| Original Purpose | Ornamental |
| Body Length | 12.7–35.5 cm |
|---|---|
| Lifespan | 10–30 years |
| Senior Age Threshold | 21 years |
| Exercise Needs | Beginner care level |
|---|---|
| Grooming | Omnivore |
| Annual Exam Focus | Compatible: Comet Goldfish, Common Goldfish, Koi, Killifish, Cherry Barb, Tetras, Guppies, Chinese Blue Bitterling, Northern Redbelly Dace, Amano Shrimp |
| Routine Care | Incompatible: Fancy Goldfish (slow swimmers like Oranda, Moors, Fantails), aggressive fish, small fish or invertebrates that fit in their mouth, tropical fish requiring high temperatures |
| Condition | Onset Stage | Risk | Hereditary | Screening |
|---|---|---|---|---|
| Ich (White Spot Disease) | adult | high | No | N/A |
| Fin Rot | adult | medium | No | N/A |
| Swim Bladder Disease | adult | medium | No | N/A |
| Flukes (Skin/Gill) | adult | medium | No | N/A |
| CHIC Required Tests | Easy, egg layers, requires temperature drop to 60°F then gradual increase to simulate spring, males develop breeding tubercles and chase females |
|---|---|
| Recommended DNA Tests | Carassius auratus |
| Water Temperature | 16-24°C |
|---|---|
| pH Range | pH 6-8.5 |
| Water Type & Tank | Freshwater, Min tank: 140L |
| Diet | Omnivore |
| Common Issues | Difficulty: Beginner. Temperament: Peaceful, active, social, fast-swimming |
| Locomotion | Active swimming, fast and agile darting, continuous scavenging at bottom, peaceful schooling, food stealing from slower fish |
|---|---|
| Social | Peaceful, active, social, fast-swimming |
| Stress/Displacement | Fading color intensity, clamped fins, lethargy, loss of appetite, hiding, gasping at surface |
| AI-Trainable Signals | Color patterns (calico, blue, red, orange, white, black spots), fast darting movements, erect dorsal fin, active scavenging at bottom, chasing behavior during breeding |
|---|---|
| Context-Dependent Vocalizations | Fading color intensity, clamped fins, lethargy, loss of appetite, hiding, gasping at surface |
| Interspecies Communication | Water type: Freshwater, pH: 6-8.5 |