| そ | 
|---|
| 遡 | 
| か | 
|---|
| 河 | 
| ぎょ | 
|---|
| 魚 | 
noun
- anadromous fish (fish that migrates upstream, e.g. salmon).
Variations
| Pronunciation | Kanji | Kana | Is Common | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 
 
 
 | 遡河魚 | そかぎょ | |||||||
| 
 
 
 | 遡河魚 | さっかぎょ | |||||||
| 
 
 
 | 溯河魚 | そかぎょ | |||||||
| 
 
 
 | 溯河魚 | さっかぎょ | 
Contained Kanji Breakdown
go upstream, retrace the past
さかのぼ.る ソ サク (11th)
conjunction (astronomy), first day of month, north
ついたち サク たち (Kentei Pre-1, N1)
river
カ かわ かっ (5th, N2)