Fig. o7. Daphnia 



A photo-micrograph of the little crustacean of supreme importance as food for youns 

 fishes, especially the goldfish. They are taken greedily by practically all the smaller 

 fresh-water fishes. Being only the size of a pin-head, it takes a few millions of them 

 to satisfy the appetite of several large goldfishes. 



The ovals shown in the body are eggs, which are carried until hatched. Fishes too 

 small to eat an adult daphne follow it around waiting for it to drop the young. The 

 branched arms are for swimming. They are strictly vegetarian, despite former views 

 on the subject. 



The inset shows a characteristic life-size group of daphnia. presented mainly in the 

 interest of numerous readers who would like to collect the "bugs", but are unable 

 to identify them from Fig. 55 and our limited word description. 



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