E. Migrations and movements. 



Arrival and departure. 



Period of stay. 



Certainty of arrival. 



Route of movement, coming and going. 



Number and times of runs or schools in one season, and dif- 

 ferences if any in the runs. 



Difference in arrival of the sexes and ages. 



Feeding of fish after arrival. 



Summer abode. 



Winter abode. 



If anadroraous : when entering the fresh water and when 

 leaving. 



If anadromous : what the movements up and down fresh 

 waters, of adults, or of young. 



Rate of progression of schools in fresh or salt water. 



Relation of movements to tides. 



Depth of water preferred by schools or single fish. 



Temperature and general condition of water preferred. 



Favorite localities in any region ; whether bottom be sandy, 

 rocky, muddy, grassy, etc. 



F. Relationships. 



To its own species : whether gregarious, solitary, grouped 

 by age or sex at any season, predaceous, etc. 



To other animals : whether preyed upon by them, feeding 

 upon them, etc. 



Special enemies : friends: or companions. 



G. Food. 



Nature. 



Mode of taking it. 



