FISHES 



151 



It may be said that no part of the sea has defied the 

 colonising efforts of fishes, and even the " deeps," in some 

 instances nearly four miles from the sea surface, have 



The " Swallower " {Chi as mo don). 



Above, before a meal ; below, after swallowing a fish five times its 



own size 



their own population of piscine forms attuned to their 

 peculiar environment. Abyssal fishes appear to be almost 

 cosmopolitan, identical examples being dredged from deeps 

 on opposite sides of the globe, though how this comes to 



