76 per cent to be first run fish who had never spawned before and the remainder 

 had spawned at least once. As might be expected the bigger fish were those re- 

 turning to spawn again. The migration of the landlocked salmon, as compared 

 with the Atlantic, is very short rarely exceeding six to eight miles and generally 

 very much less. This may account for the difference in survival of adult fish 

 after spawning is over. The long migration of the Atlantic salmon may account 

 for the higher mortality in this fish. 



The landlocked salmon feeds primarily on smelt with minnows, suckers, 

 yellow perch, and aquatic insects making up the diet. 



Age and growth data taken from the Maine survey records indicate that the 

 total length in inches and weight in ounces is as follows: 



Age Group III 



Length 11.4 



Weight 4.8 



The maximum age recorded is nine years. The average age of the land- 

 locked salmon at legal length was four years. Fish four, five and six years old 

 make up the greatest part of the salmon populations available to the fisherman. 



21 



