466 



COLLEGE ZOOLOGY 



striped bass, Roccus lineatus, is a fine game-fish occurring along 

 the coast of eastern North America. It has also been success- 

 fully introduced along the coast of California. The jewfish or 

 black sea-bass, Stereolepis gigas, is the giant game-fish of the 

 California coast. It can be taken with a sixteen-ounce rod, 

 and there are many records of specimens captured by this 

 method weighing over three hundred pounds. 



Family Diodontid^e. — The Porcupine-fishes. These in- 

 habitants of tropical seas are covered with movable spines, 



Fig. 399. — The porcupine fish, Diodon macidatus. A, normal; B, inflated. 

 (From Lankester's Treatise, after Giinther.) 



hence their name. They live on the bottom among seaweeds 

 and corals, and when disturbed inflate their bodies by swallow- 

 ing air (Fig. 399). They then float belly upward, in which con- 

 dition they are not easily injured by their enemies. 



