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Seasonal Changes in the Content of Urotensin II in the Urophysis of the Goby, Gillichthys mirabilis
Author(s) -
Bern Howard A.,
Goldstein Susan,
Nishioka Richard S.,
Gunther Robert
Publication year - 1982
Publication title -
acta zoologica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.414
H-Index - 37
eISSN - 1463-6395
pISSN - 0001-7272
DOI - 10.1111/j.1463-6395.1982.tb00774.x
Subject(s) - goby , urotensin ii , biology , gonadosomatic index , salinity , fishery , ecology , fish <actinopterygii> , biochemistry , population , receptor , demography , sociology , fecundity
A seasonal study of urotensin II content of the urophysis of the goby, Gillichthys mirabilis. was conducted from March 1979 to June 1980 in relation to certain internal and environmental changes. Urotensin II content (lowest in November–January) is inversely correlated with female gonadosomatic index and to some extent with rainfall (and hence dilution of the environmental salinity). In addition, there appears to be a direct correlation between UII content and daylength and temperature.