Salvethymus
| Salvethymus | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Actinopterygii | 
| Order: | Salmoniformes | 
| Family: | Salmonidae | 
| Subfamily: | Salmoninae | 
| Genus: | Salvethymus Chereshnev & Skopets, 1990 | 
| Species: | S. svetovidovi | 
| Binomial name | |
| Salvethymus svetovidovi Chereshnev & Skopets, 1990 | |
Salvethymus svetovidovi, also called the long-finned charr, is a species of salmonid fish. It is endemic to Elgygytgyn Lake in Chukotka, Far East of Russia, together with two other species, the small-mouth char Salvelinus elgyticus, and the Boganid char, Salvelinus boganidae.