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Sexual dimorphism and sex-size structure in the sea-poachers (Agonidae) of the Kamchatka waters



Sexual dimorphism and sex-size structure in the sea-poachers (Agonidae) of the Kamchatka waters



Voprosy Ikhtiologii, 326: 81-89



Sexual dimorphism manifested in the coloring and size of fins was studied in Podothecus gilberti, P. acipenserinus, Ocella dodecaedron, Percis japonicus, Sarritor leptorhynchus, S. frenatus, Aspidophoroides bartoni and Palassina barbatus. It was found that the coloring of males is brighter than that of females and relative dimensions of their individual fins (in Podothecus species of all fins) are large in males. In Podothecus species, these differences are very significant and make it possible to distinguish males and females in catches visually. Two groups of poachers differing in their size-age structure were identified.

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Accession: 021743637

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