Record Display for the EPA National Library Catalog


Main Title Reproductive Rhythmicity of the Atherinid Fish, 'Colpichthys regis', from Estero Del Soldado, Sonora, Mexico.
Author Russell, G. A. ; Middaugh, D. P. ; Hemmer, M. J. ;
CORP Author Environmental Research Lab., Gulf Breeze, FL. ;South Carolina Univ., Columbia. Belle W. Baruch Inst. for Marine Biology and Coastal Research.
Year Published 1987
Report Number EPA/600/J-87/310 ;CONTRIB-586;
Stock Number PB88-196258
Additional Subjects Rhythm(Biology) ; Marine fishes ; Reproduction(Biology) ; Mexico ; Height ; Ocean tides ; Animal migrations ; Intertidal zone ; Eggs ; Diurnal variations ; Reprints ; Calpichtys regis ; False grunion ; Spawning
Library Call Number Additional Info Location Last
NTIS  PB88-196258 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 9p
The reproductive rhythmicity of the false grunion, Colpichthys regis, was observed in the Estero del Soldado, Mexico during October 1982 through January 1983. Spawning runs occurred at approximately 2-week intervals during daytime high tides. These high tides coincided with new and full moons. Spawning only occurred when predicted tidal heights were equal to or greater than 0.73 m above MLW. Eggs were deposited in the upper intertidal zone in locations that appeared to provide protection from predators, thermal stress and desiccation.