| Citation | Moreira, F., C.A. Assis, P.R. Almeida, J.L. Costa and M.J. Costa, 1992, Trophic relationships in the community of the Upper Tagus Estuary (Portugal: a preliminary approach.. Estuar. Coast. Shelf-Sci. 34:617-623. |
| Ref. | Moreira, F., C.A. Assis, P.R. Almeida, J.L. Costa and M.J. Costa, 1992 |
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| Named Used as Valid | Gobius niger |
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