1990 Grayling Spawning Report 



seventeen grayling tagged during the spring of 1988 and recaptured 

 during the spring of 1989, three were tagged near Fishtrap Creek (a 

 distance of at least 18 river miles), seven were tagged close to 

 their recapture location, two were tagged between five and ten 

 miles above their recapture location, and four were tagged between 

 five and ten miles below their recapture location. One grayling 

 recaptured on May 9, 1989 was tagged on August 9, 1988 

 approximately two miles above the recapture location. 



A fish recaptured on April 27, 1989 approximately 1.5 miles up 

 Swamp Creek was initially tagged on April 27, 1988 (exactly one 

 year earlier) in the main stem Big Hole River near the mouth of the 

 North Fork Big Hole River (a distance of approximately eight 

 miles). This female was 12.2 inches and 0.54 pounds when tagged 

 and 12.5 inches and 0.56 pounds when recaptured a year later. 



One grayling was recaptured twice. Once on April 26, 1989 in 

 the main stem Big Hole River near McVey Creek and again on April 

 27, 1988 in the Big Hole River near McVey Creek. This fish was 

 tagged on October 23, 1987 in the main stem Big Hole River near 

 Fishtrap Creek (the movement from Fishtrap to McVey Creek was 20 

 miles). This female was 10.8 inches and 0.45 pounds when tagged 

 and 11.2 inches and 0.42 pounds when recaptured in 1988 and 12.7 

 inches and 0.58 pounds when recaptured in 1989. 



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