Howell, M.D., 2001. Characterization of development in Columbia River prolarval eulachon, Thaleichthys pacificus, using selected morphometric characters. Washington Department of Fish and Wildlife.
| Species | Development state | Trait | Primary Data | Secondary Data |
| Thaleichthys pacificus | Larvae | Reaction to light | photopositive | Photopositive |
| Thaleichthys pacificus | Larvae | Full yolk-sac resorption | 21 days 11.6 C | 21.0 °C * day |