98 



INDEX 



Filters: use of, 11; for iron, 

 19; chlorine removal, 20; 

 for silt, 21; removal of 

 biological pollutants, 22; 

 screen type, 22; for indi- 

 vidual aquaria, 63-64; gen- 

 eral, 63-64; diatomaceous 

 for transport, 80 



Fishes: major groups of, 29; 

 experimental selection of, 

 29-35; rearing of for food, 

 41; capture of for food, 41; 

 as food, 41 



Flushing: specifying rate, 5; 

 use of, 11; value of, 12 



Foods: variation in species 

 requirement, 36; various 

 forms of prepared, 36-37; 

 dried, pellets, 37; Gordon's 

 liver-cereal, 37-38; dried 

 shrimp, 38; live daphnia, 

 88; live protozoans, 38; live 

 foods, 38; relation to dis- 

 eases and parasites, 38; 

 brine shrimp as, 39; tubifex 

 as, 39; earthworms as, 40; 

 meal worms as, 40; white 

 worms as, 40; fathead min- 

 now as, 41; goldfish as, 41; 

 fishes as, 41; rearing of 

 fishes for, 41; golden 

 shiners as, 41 



Formalin: general, 50-52; in 

 transport, 82 



Fright, 44 



Fry-eating, 5&-57 



Fungi : diseases Saprolegnia, 

 44; diseases, 46; treatment 

 for, 47 



Furunculosis, 47 



Galvanized pipe; toxicity of, 



21 

 Gases: loss at water surface, 



4; exchange at 



surface, 5 

 Goldfish: as experimental 



fishes, 32; as food, 41; egg- 

 eating, 57 



Greenhouse: not ideal for 

 aquarium building, 13 



Growth: conditioned water 

 eflFects on, 4; effects of 

 crowding, 8; inhibiting ma- 

 terials, nature of, 8; repres- 

 sive agents, control of, 10 



Guppy: as an experimental 

 fish, 34 



Gyrodactylus, 52 



Heat: requirements for 

 aquarium building, 14; wa- 

 ter heating, 18 



Hemophilus, 49 



Hydrogen sulfide: in 

 water, 20 



Hypochlorite: source of 

 chlorine, 59 



IchthyophthiriuSy 50 

 Illumination: length of, 17 

 Inhibition: growth and 



reproduction, 4 

 Invertebrates: eating of 



excess food by, 4 

 Ionic system of water: 



alteration by 



fishes, 4 

 Iron: effect on fishes, 19; in 



water supply, 19; 



removal, 19 



Lernaea, 52 



Light: in aquarium building, 

 13; response to by fishes, 

 15; natural, in aquarium 

 building, 16; effects on 

 spawning, 18; fluorescent 

 toxicity, 18 



Lighting: amount, 17 



Lymphocystis, 45 



Malachite green, 47, 49, 51 

 Meal worms: as food, 40 

 Measurements; equivalents 

 of, 89 



