| Citation | Eccles, D.H. and E. Trewavas, 1989, Malawian cichlid fishes: the classification of some haplochromine genera.. Lake Fish Movies, West Germany. 334 p. |
| Ref. | Eccles, D.H. and E. Trewavas, 1989 |
| Page | 316 |
| Named Used as Valid | Rhamphochromis esox |
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