n = 7
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Spirinchus dilatus | Schultz & Chapman, 1934 | Spirinchus thaleichthys | Osmeridae | Longfin smelt |
| Spirinchus lanceolatus | (Hikita, 1913) | Spirinchus lanceolatus | Osmeridae | |
| Spirinchus starki | (Fisk, 1913) | Spirinchus starksi | Osmeridae | Night smelt |
| Spirinchus starksi | (Fisk, 1913) | Spirinchus starksi | Osmeridae | Night smelt |
| Spirinchus thaleichthys | (Ayres, 1860) | Spirinchus thaleichthys | Osmeridae | Longfin smelt |
| Spirinchus verecundus | Jordan & Metz, 1913 | Hypomesus japonicus | Osmeridae | |
| Spirinchus verencundus | Jordan & Metz, 1913 | Hypomesus japonicus | Osmeridae |