INDEX 



97 



aeration, 61; sources of, 

 69-70; measurement of, 

 70-71; in transport, 77; ef- 

 fect of sealed tanks, 78; 

 relation to waste, 80 

 Catfish, bullheads: as experi- 

 mental fishes, 33 

 Catfish, channel: as an ex- 

 perimental fish, 33; 

 spawning, 33 

 Catfishes, South American: 

 use as experimental 

 fishes, 34 



Characins : as experimental 

 fishes, 31; food and other 

 requirements, 31 



Charcoal: chlorine removal, 

 20 



Chilodon, 40 



Chlorine: removal, 20; in tap 

 water, 20; for sterilizing 

 equipment, 59-60; sources 

 of, 71; detecting presence 

 of, 71-72 



Chondrococcus, 48 



Chorionic gonadotrophin: for 

 spawning, 56 



Cichlids: as experimental 

 fishes, 35 



Circulation: of water, 60-62; 

 during transport, 77 



Cleaning: design for a 

 cleaner, 24 



Columnaris: as a disease, 

 48; treatment for, 49 



Concrete: mixture of, 27 



Conditioning: of water, 4 



Conversion charts, 88 



Copepods: as parasites, 52 



Copper pipe: toxicity of, 22 



Copper sulfate, 49 



Costia, 49 



Crowding: effects on growth 

 and reproduction, 4; ef- 

 fects on reproduction, 7, 

 55; eflFects on tadpoles, 8 



Cyanide, sodium: as an 

 anesthetic, 59 



Dacttjlogyrus, 52 



Daphnia: as food, 38; 

 culture, 39 



Density, of fish: recom- 

 mended level, 4-5; relation 

 to surface area, 5; volume 

 of tank important, 5 



Diet: associated diseases, 43 



Diseases: relation to live 

 food, 38; diagnosis of, 42; 

 dietary, 43; mechanical 

 damage, 44; Saprolegnia 

 spp., 44, 46; Aeromonas 

 spp., 44, 47-48; lympho- 

 cystis, 45; viral, 45; fungal, 

 46; bacterial, 47-49; Chon- 

 drococcus columnaris, 48; 

 protozoan, 49; germicidal 

 materials, 59-60; in trans- 

 port, 81-82 



Disease treatment: "shotgun" 

 approach, 42; care in use 

 of drugs, 43; furunculosis, 

 47; fungal, 47; Aeromonas 

 liquefaciens, 48; colum- 

 naris, 49; dosage calcula- 

 tions, 87; table of concen- 

 trations, 90-91 

 Drains: when needed, 23; 



design for, 24 

 Dropsy, infectious, 48 



Earthworms: culture of, 

 40; as food, 40 



Eggs: treatment of, 47; eating 

 of by fishes, 56-57; incubat- 

 ing, 58 



Fecal material: a water 

 pollutant, 7; removal 

 of, 9 



Feeding: efiFect upon pollu- 

 tion, 3; preventing pollu- 

 tion from, 9; amounts, 37; 

 overfeeding, 46; drugs, 87 



Fighting: general, 45; be- 

 tween sexes, 57 



