GUILLEMOT ETAL.: SEASONAL CYCLES IN CALIFORNIA RCX^KKISH 



Females ^ entomelas 



3 



Males 



S. paucispinis 



S. goodei 



S. pinniger 



S. flavidus 



„ . Summer ^ ., Winter 

 Sprmg Fall 



Summer ^ ,, Winter 

 Sprmg Fall 



SEASON 



Figure 1 . - Seasonal variation of visceral fat volume in adults of five species of Sebastes from northern and central 

 California. For each species and sex, points are estimates of In (fat volume) at the overall average of In (total length) 

 for specimens of that species and sex examined during the year. Estimates were derived from the seasonal regres- 

 sions of In (visceral fat volume) on In (total length) (Table 1). A horizontal line between two seasons means that the 

 fat regressions for those two seasons differed significantly (P < 0.05) by analysis of covariance. The upper of the two 

 rows of horizontal lines are for adjacent seasons in the graph. The lower horizontal line is for winter and spring. The 

 absence of a horizontal line means that the regressions did not differ significantly. Annual averages of In (total 

 length, mm) areS. entomelas females, 6.13, and males, 6.08; S. paucispinis females, 6.31, and males, 6.20; S. goodei 

 females, 6.11, and males, 5.88; S. pinniger females, 6.11, and males, 6.14; diUd S.flavidus females, 6.11, and males, 

 6.04. Seasons: spring (March-May 1980), summer (June-August 1980), fall (September-November 1980), and 

 winter (December 1980-February 1981). 



303 



