| Citation | Hopson, A.J., 1967, The Fisheries of Lake Chad.. p. 189-200. In W. Reed (ed.) Fish and fisheries of northern Nigeria. Ministry of Agriculture Northern Nigeria. 226 p. |
| Ref. | 41490 Hopson, A.J., 1967 |
| Page | 192 |
| Named Used as Valid | Protopterus annectens |
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