THE FISHES OF OHIO. 



Genus: Stizostedion. 



Key to Species. 

 JL Pyloric coeca 3 ; soft dorsal with about 20 rays ; a b^ack spot on last dorsal spines. — 



vitreum. 

 AA. Pyloric coeca 4 to 7 ; soft dorsal with about 17 rays ; no black spot on posterior dorsal 

 spines, a black blotch at base of pectoral : second dorsal with rows of dark spots. — 



canadense. 



Stizostedion vitreum (Mitchill). Wall- eyed Pike ; Pike Perch; 

 Yellow Pike ; Blue Pike ; Jack Salmon. 

 Head 3%; depth about 4^; eye 4^ to 5. D. XII to XVI, 19 to 21; A. 

 II, 12 to 14; scales 10-noto 132-25; lateral line incomplete. Body slender, 

 becoming compressed with age. Cheeks and upper surface of head nearly 

 naked. Dorsal spines high, more than one-half the length of head; dorsal 

 fins well separated; soft dorsal nearly as long as the spinous. Pyloric coeca, 

 3. Color, dark olive, finely mottled with brassy; sides of head more or less 

 vermiculated; belly and lower fins pinkish; spinous dorsal with a large, jet 

 black spot on posterior 2 or 3 membranes. Length about 3 feet . 



Common in Ohio river and Lake Erie, and sometimes ascend- 

 ing their larger tributaries. Kirtland reported it from Lake Erie 

 and the Maumee and Ohio rivers under the name Lucio-perca 

 americana. Hamilton County, "abundant in the Ohio river," 

 Henshall, 1888 ; Lorain County, " very common in the lake, 

 entering the streams occasionally," McCormick, 1892 ; Maumee 

 river at Grand Rapids and Toledo, and Lake Erie around the 

 mouth of the Maumee in large numbers, Kirsch, 1893 ; Huron 

 river at Milan, Sandusky Bay, R. C. Osburn, 1899. 



Stizostedion canadense griseum (De Kay). Sauger ; Sand Pike ; 



Gray Pike ; Pickering. 

 Head 3^; depth varying with age, /\% to 6; eye 5. D. XI to XV-I, 17 

 to 19; A. II, 11 or 12; scales 9-100 to 125-27; lateral line incomplete. Body 

 more terete than in 6". vitreum. Head depressed, pointed; opercular spines 

 fewer than in the typical S. canadense, and the head less completely scaled. 

 Color, olive gray, sides brassy or orange, with dark mottlings; spinous dorsal 

 with 2 or 3 rows of irregular, dark spots, no large, black spot on posterior 

 rays. A more translucent fish than .S". vitreum. Pyloric coeca 4 to 7. 

 Length about 18 inches. 



Distributed about as the preceding species. Common both in 

 the lake and Ohio river. ' ' Abundant in the Great Lakes, plenti- 

 ful in Ohio river, " Jordan's Report; Hamilton County, " com- 

 mon' in the Ohio river," Henshall, 1888; Lorain County, "com- 

 mon in the lake, entering streams oftener than ►S. vitreum, " 



