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Spawning of Gasterosteus aculeatus
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
    111 111 111 111 111 111        
Sex ratio:    %  Ref.:   
Temperature:  -   °C
Gestation period: month/s
 
Length of offspring: cm
Batch spawners
Daily spawning frequency -
Mean:
Min Ref.:
Max Ref.:
Mean Ref.:
Comments: Breeding occurs in the spring and summer in stream or estuaries (Ref. 27547). Spawning grounds of the anadromous form may be in fresh or salt water (in salinities at least as high as 28.5 ppt), in areas of thicker vegetation, such as eel-grass beds (Ref. 28965, 28966).
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