Mongolia
Now classified as a separate species, C. pidschian.
| Country: | Mongolia |
| Type: | Postage stamps |
| Series: | Fishes (1975) |
| Nominal: | 50 Mongolian möngö |
| Year: | 1975 |
| Size: | 44 x 44 mm |
| Perforation: | comb 11 |
Fishes (1975)
 Amur Sculpin 0.08$ |  Redfin 0.13$ |  Altai Osman 0.12$ |  Tench 0.1$ |
 Humpback Whitefish |  Mongolian Redfin |  Goldfish |