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Spawning of Cottus cognatus
Main Ref: Morrow, J.E., 1980
Data Ref.:  
Country: Alaska
Spawning ground:  
Locality: Not specified
Season:
   
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    111 111 111              
Sex ratio:    %  Ref.:   
Temperature: 4.5 - 10  °C
Gestation period: month/s
 
Length of offspring: cm
Batch spawners
Daily spawning frequency -
Mean:
Min Ref.:
Max Ref.:
Mean Ref.:
Comments: Spawns in the spring, shortly after breakup. It may occur as early as late March in the southern part of the range to late May or even later in the far north (Ref. 27547). Fecundity increases with the size of the female (Ref. 27547).
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