| Citation | Armbruster, D.C., 1959, Observations on the natural history of the chain pickerel (Esox niger).. Ohio J. Sci. 59:55-58. |
| Ref. | Armbruster, D.C., 1959 |
| Page | 57 |
| Named Used as Valid | Esox niger |
| Comment | Cited in Ref. 4639. Not actually seen. Valid name used similar to citing reference. |
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