1 96 The Under -Water World 



elevated skywards. It is now generally 

 agreed that mackerel winter near the sea 

 floor in a quiescent state, moving from 

 the coast to deep water and vice versa 

 as weather dictates. 



The cod, second only to the herring in 

 economic value, lays its eggs in deep 

 water where they slowly sink as they 

 become heavier in development. The 

 eggs of the herring, on the other hand, 

 are laid on the sea bed attached to stones. 

 The herring was formerly only supposed 

 to spend the summer in Arctic waters, 

 migrating south in vast shoals as the year 

 declined. Recent researches, however, 

 disprove this, and it is probable that the 

 shoals tracking south along our easterly 

 coast are composed of individuals born 

 in widely different areas of the North 

 Atlantic. Their movements after they 

 reach our south coast remain a mystery. 



Few fish have a more romantic history 

 than that great traveller, the eel. In 



