1936] 



Schultz: Keys to Fishes 



137 



"Cuttbrotf cart 



Fig. 28. Cutthroat Trout. Coastal Cut- 

 throat. Steelhead Cutthroat. Salmo clarkii 

 clarkii. After Schultz and Hanson. Cour- 

 tesy of the Washington Sportsman. 



7b. No red dash on dentary evident in life; dorsal fin rays 10 to 13 

 (usually 11 or 12) ; hyoid teeth always absent. 



9a. 



Vertebrae 56 to 59 (usually 57 to 58) ; color brownish yel- 

 low and usually with a few red spots on the sides ; scales 

 in the lateral line 118 to 130 (usually about 125) ; scales 

 24 to 28 above the lateral line and 22 to 30 below it; gill 

 rakers 6 to 9+9 to 10. Range : Introduced into western 

 United States. Freshwater. Abundant locally. Fig. 29. 

 Brown Trout 39. Salmo trutta Linnaeus 



9b. 



Fig. 29. Brown Trout. Salmo trutta. 

 After Schultz and Hanson. Courtesy of 

 the Washington Sportsman. 



Vertebrae 59 to 65 (rarely 59 or 60), usually 63; color 

 not brownish yellow, but gray to bluish above, the reddish 

 lateral band usually but slightly interrupted by faint parr 

 marks on adults ; no red spots on sides of body ; gill rak- 

 ers 7 to 9+9 to 13; maxillary usually 2.0 to 2.5 in head of 

 adults, and not extending behind the eye. 



10a. Scales 120 to 138 (usually 125 to 135) in the lateral 

 line ; 23 to 30 above and 20 to 26 below the lateral line ; 

 body profusely spotted. Range : Coastal region and 

 lower and middle Columbia River. Marine and fresh- 

 water. Abundant. Fig. 30. 



Coastal Steelhead or Rainbow Trout 



40. Salmo gairdnerii gairdnerii Richardson 8 



fiefl lateral band 



Fig. 30. Rainbow Trout. Steelhead. Sea- 

 run Rainbow. Salmo gairdnerii gairdnerii. 

 After Schultz and Hanson. Courtesy of the 

 Washington Sportsman. 



'Under this name we are including Salmo gairdnerii beardsleei, the blueback trout of 

 Lake Crescent, Olympic Mountains. 





