214 FISHES FOR THE MARINE AQUARIUM. 



Baltic and the northern seas, and to the inhabitants 

 of the Orkney Islands its young are the chief food. 

 Among the Irish and Scotch fishermen it goes by a 

 variety of names. It is a great enemy to salmon 

 smelts as well as to young herrings, as many as 





/' ' ' . ''i..',v*J^ ij JA" S V- '* 



Fig. 142. Coal-fish (Merlangus carbonarius). 



Fig. 143. Grey Mullet (Mugil capita). 



twenty-six salmon fry having been taken from the 

 stomach of a single coal-fish. 



The grey mullet (Mugil capita) is another familiar 

 food-fish, domesticated in most aquaria. Not un- 

 frequently it will leave the sea water for a short 



