SALMONIDAE - charr, salmon, trout                1/27                             SALMONIDAE
              Gill membranes extend far forward,  free from Isthmus
              Suprapelvic Scale present
              Last 3 Vertebrae turned upward
              Teeth on Maxilla
              2-5 Minor Rays at anterior edge of Dorsal and Anal Fins
              Minor Rays included with total ray counts in this paper

  1         - Adult,  may or may not be sexually ripe                                        (2)

  1         - Juvenile,  less than 150mm in length  ( includes stunted forms of charr       (35)
               that are sexually mature at length less than 150 )
                    [ Key from  McDonnel  &  Snyder , 19xx ]

  2  (1)  - Anal Fin Rays 2-5 minor and 8-10 major                                            (3)

  2         - Anal Rays 2-4 minor , 12-19 major , total 16-21                               (17) 

  3  (2)  - Dorsal Fin high and long , extending past Adipose Fin

               Thymallus Arcticus  ( Pallus ,  1776 )                              Arctic Grayling

                   Range: Freshwater;   Holarctic;  Alaska - British Columbia;  Siberia;
                                    Nunivak Island
                   Refer:  Baxter  #110K
                                Jordan  &  Evermann,  1900:517,  fig.222
                   Notes:  NODC  #8755010701

                       Large, black dorsal spots, dorso-lateral 10-11, ventro-lateral 14. 
                       Very long dorsal fin, reaching adipose fin in males and just short 
                    of it in females.

                                                   TL  - 610  Wt. 2.3 kg             
                                                   FL = 91.1% TL                                 
                                                   SL =83.0% TL                      
                                                   LLp 77-98                           
                                                   LLs 75-100                             
                                                   Ds 10; Vs 9-10                           
                                                   GR 5-8 + 1 +                                    
                                                              + 10-14 = 16-23                    
                                                   GR L 7.5% HL                            
                                                   Caeca 14-13                                                     
                                                   Vert 34 + 5 +                                                   
                                                                  + 2   0 = 58-61                                                 
                                                   D    23-28 + adip
                                                   A    14-19
                                                   Pec 14-16; 91% HL
                                                   Pel  10-11; 105%HL 
                                                   C    9 + 16 + 8
                                                   Br       8-9 
                                                   Pseudobr
                                                   Vomer teeth 
                                                   Palatine teeth 
                                                   Head L          18.2-20.5% SL 
                                                   Body D         21.4-22.4% SL
                                                   PreDor L                 31.2% SL
                                                   PreAdip L               84.8% SL
                                                   PreAnal L               75.7% SL
                                                   Maxillary L             26.2% HL
                                                   Low Jaw L             44.6% HL
                                                   Snout L                   25.4% HL
                                                   Orbit L                     24.6% HL
                                                   Eye L                      19.2% HL
                                                   InOrb W                26.2% HL
                                                   CaudPed D     41.5%HL  

  3      - Dorsal Fin not high and long,  not reaching past Adipose Fin.               (4)

 4 (3) - Vomer with a flat shaft with tooth row several times longer than wide, 
             bearing teeth in alternate rows; dark markings on a lighter background;
             generally with black spotting.

 4      - Vomer with trough-like, toothless shaft, teeth 
            confined to head of bone; spotting light on
            darker background, never spotted with black

SALMONIDAE               2/27

5 (4) Two to 12 teeth on Basibranchial Bone, often obscure

          Salmo Clarki    Richardson, 1836                                 Cutthroat Trout
             Range:  Anadromous; 4th of July Creek, Seward, Alaska - Eel R, Calif.
             Refer: Baxter #1064