THE FOOD AND GAME FISHES OF NEW YORK. 329 



60. Lake Tahoe Trout ; Red-throat Trout (Salmo henshawi Gill & Jordan). 



(Introduced.) 



Salmo henshawi GILL & JORDAN, Man. Vert. ed. 2, 358, 1878, Lake Tahoe ; Kept. Chief 



Eng., part 3, 1878, App. NN, 1619, pi. IV. 



Salmo purpuratus var. henshawi JORDAN & GILBERT, Bull. 16, U. S. Nat. Mus., 316, 1883. 

 Salmo mykiss CHENEY, Third Ann. Kept. N. Y. Comm. Fish, 239, color pi. facing p. 238, 



1898. 

 Salmo mykiss henshawi JORDAN, Bull. U. S. F. C, IX, 14, pi. II, fig. 5, 1891 ; JORDAN & 



EVERMANN, Bull. 47, U. S. Nat. Mus., 493, 1896. 

 Salmo clarkii henshawi JORDAN & EVERMANN, op. cit. 2819, pi. LXXIX, fig. 208, 1900. 



Body elongate, not much compressed, its greatest depth one-fourth of the total 

 length without caudal ; caudal peduncle rather long, its least depth equaling two- 

 fifths of the length of the head ; head long, conical, slender, its length contained 

 about four times in the total to caudal base ; a slight keel on the top of the head ; 



LAKE TAHOE TROUT. 



snout obtusely pointed ; maxilla not extending far behind the eye, about equal to 

 pectoral, which is three-fifths of length of head ; gill rakers short and stout, about 

 1 8 on the first arch, of which 13 are below the angle; vomerine teeth in two long, 

 alternating series; hyoid teeth rather weak, in a small patch; dorsal fin small, its 

 last rays two-thirds as long as the highest ; anal fin rather high ; caudal short and 

 distinctly forked. D. 9 to 1 1 ; A. 12 ; B. 10. Scales 27 to 37-160 to 200-27 to 40 ; 

 pyloric caeca 50 to 60. 



Color dark green in life, varying to pale green ; the sides silvery with a broad 

 coppery shade which extends also on the cheeks and opercles ; a yellowish tinge on 

 the sides of the lower jaw and red or orange dashes between its rami ; back every- 

 where covered with large, roundish black spots; dorsal, adipose fin and caudal fin 

 with similar spots, and a few on the anal ; belly with black spots. 



The Tahoe Trout is a large species inhabiting Tahoe Lake, Pyramid Lake, Web- 

 ber Lake, Donner Lake, Independence Lake, Truckee River, Humboldt River, 

 Carson River, and most streams of the east slope of the Sierra Nevada ; it occurs 



