GOLDFISH VARIETIES AND 
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FORTY DON’TS 
Don't overfeed. 
Don’t overstock. 
Don’t inbreed too long. 
Don’t use very deep aquaria. 
Don’t delay treating sick fishes. 
Don't start with expensive fishes. 
Don't allow dead leaves to accumulate. 
Don’t use fishglobes except temporarily. 
Don’t attempt to move filled large aquaria. 
Don’t neglect to look fishes over carefully. 
Don’t fail to replace covers on tropical aquaria. 
Don’t use oil stoves if anything else can be had. 
Don’t keep very large and small fishes together. 
Don’t always blame the dealer if your fishes die. 
Don't use coarse nets. Brussels netting is better. 
Don't keep any aquarium in a very subdued light. 
Don’t introduce plants without thoroughly cleansing. 
Don’t fail to give the fishes an occasional pinch of salts. 
Don’t fail to sterilize a net after lifting a diseased fish. 
Don’t put the fish outdoors the first warm day of Spring. 
Don’t be too sure the family cat won’t fish in the aquarium. 
Don’t entrust the feeding to another if this can be avoided. 
Don't as a beginner disregard the greater experience of others. 
Don’t sell surplus stock for a song. It had better be given away. 
Don't feed large earthworms. They should be chopped and rinsed. 
Don't slide all-glass aquaria. Scratches may cause them to break. 
Don’t forget that most fishes enjoy an occasional variation in food. 
Don’t assume that ordinary artificial light is a substitute for daylight. 
Don’t experiment with rare tropicals to see how cool they may be kept. 
Don't suddenly change the temperature of the water, either higher or 
lower. 
Don’t allow unconsumed food to remain in the aquarium. Remove with 
dip-tube. 
