Chapter 11 INSTINCTS, HABITS, AND ADAPTATIONS

The Habits of Fishes.-The habits of fishes can hardly be summarized in any simple mode of classification. In the usual course of fish-life the egg is laid in the early spring, in water shallower than that in which the parents spend their lives. In most cases it is hatched as the water grows warmer. The eggs of the members of the salmon and cod fami

            
            

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