THE GOBIES, SUCKERS, AND BLENNIES 175 



egg-pouch has but one small orifice, through which, when 

 ready, the young emerge. The phenomenon of protec- 

 tive resemblance finds even higher expression than in the 

 pipe-fishes, for in the dim light of the submarine jungle the 

 sea-horse must be with difficulty distinguished from its environ- 

 ment. Being the poorest of swimmers, it would otherwise run 

 almost insuperable risks. So far as British seas are concerned, 

 the sea-horse is almost entirely confined to the rocky shores of 

 the Channel Islands. 



