46 



captivity and does not molest its associates. The perch is 

 more of a bottom feeder than the sun-fishes. 



Lucioperca vitrea Mitch. 

 Waix-eyed Pike ; Pike Perch. 



Bod}' much elongate, pike-like ; head long. Dark olive, 

 mottled with brassy, sides of head vermiculated. First dorsal 

 with large black blotch behind ; other fins mottled, yellowish. 

 D. XIII-I, 21; A. II, 12. Scales 90. Length to three feet. 

 Northern and central United States. 



Introduced last year into Greenwood Lake and Raritan River 

 by the New Jersey Fish Commission. It occurs in the Great 

 Lakes and west of the Alleghanies. 



Family Serranidae. 



Sea Basses. 

 Body oblong ; mouth large, teeth mostly villiform, very nu- 

 merous. Opercle with flat points, a lateral line. Tail stout, 

 not deeply cut. Intestine short, stomach blind sac with pyloric 

 appendages. A large and chiefl}- marine family of nearly uni- 

 versal distribution which furnishes many important food fishes. 

 It is closely allied to the perches and sun-fishes. 1 



Roccus lineatus {Block), 



Striped Bass or Rock Fish. 



Body somewhat elongate ; spines slender; mouth large ; 



dorsals separate. Olivaceous, silvery on the sides with 7-9 



narrow dark stripes. D IX, I, 12; A. Ill, 11. Scales 65, 



Length 4 to 5 feet. 



Entire eastern United States seaboard to Louisiana. This 



species is anadromous and is often found in pure fresh water; 



also has been confined in ponds with good results. A predatory 



fish which in the brackish water replaces the black basses of 



the inland in respect to voracity and gaminess. Will live well 



in the marine aquarium, but much prefers agitated water. 



Roccus chrysops Raf. 



White or Silver Bass. 



Back arched. Color greenish above, silvery below, with 



1 See Jordan and Eigenmann, "A Review of the Serranidae, etc., in 

 Bull. S, U. S. F. C. for 1888. 



