136 Fresh Water Aquarium 



graceful play, chasing each other untiringly 

 around stones and plants and very rarely 

 resting on the bottom of their vessel. The 

 Mosaic Minnow is a good scavenger, as it 

 feeds on such food as other fishes may have 

 dropped. 



The Stone-biter or Blue Weather-fish (Cobitis 



^~ ^* * • ..• #*^C\3^i-" 



Fig. 64. Stone-biter, Cobitis taenia. 



tccnia) resembles in shape and habit the 

 former species, but is distinctly different in 

 color and markings. Along the back against 

 a light background appears a line of large, 

 round, chocolate-brown spots, followed on 

 each side by a row of smaller spots of the 

 same color on a still lighter ground. A fine 

 lateral line of dark brown separates the 

 brown from a broad band of very light, al- 



