NUTRITION AND METHODS OF FEEDING 197 



musteld) eats almost anything, and the same applies to 

 gobies. Blennies dart after food, especially Copepods, using 

 their long fins (Lebour, 1919). Flat-fish, young and adult, 

 feed inshore on cockle-beds and estuarine flats in great 



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Typical " Food-Chains " on the Sea-shore. 

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numbers during the summer months, and the food of the 

 flounder often consists mainly of the little burrowing 

 Crustacean Corophiiim, frequently present in enormous 

 numbers, and also of other related species and of worms. 

 The fish follow the rising tide on to the mud flats and retire 

 to the channels or bury themselves in the sand when it falls 



