THE CARE OF HOME AQUARIA 



55 



YOUNG MIRROR CARP. 

 The carps are very hardy and are excellent fishes (or the beginner. 



permanganate (light claret color) until signs of distress appear, 

 when they must be replaced at once in fresh water. 



When the fungus disease has made much progress it is bet- 

 ter trkill the fish at once and be done with it, for there is little 

 hope of saving it or even of giving it a presentable appearance 

 The threads or hyphae, of the fungus work their way into the 

 tissues and usually the best that can be accomplished by any 

 reatmenris to remove merely the external growth without 

 veachTn^rthe pernicious internal portion which continues to 

 deveS" If the diseased spot is small and not too near a vital 

 part i? may be carefully scraped and treated with the peroxide 

 or p;rmanganate solution (deep claret color) ^^d thus the mter 

 nnl portions of the parasite may be reached and killed When 

 Te dfseasrattacks the gills there is practically no hope of saving 

 ihe Me of the fish as the growth of the fungus has usually pro- 

 gressed to a critical stage before it becomes noticeable. 

 " Eggs of fish are also frequently attacked by fungus and m 

 this case all eggs diseased must be removed at once 



Bacteria —These minute organisms attack fishes m various 

 wavs The skin is sometimes affected by what is known as the 

 •Se disease" in which the skin is coated with a whitish mu- 

 cuTukfsubstance. In the so called "scurvy" the scales are p^r- 

 Hnllv erected giving a rough appearance. The gills are also 

 attacked by tecteria which cause the filaments to become aggluti- 

 nated and covered with a thick layer of mucous which prevents 



