File:Goldfish breeds and other aquarium fishes, their care and propagation - a guide to freshwater and marine aquaria, their fauna, flora and management. With 280 explanatory illustrations, printed with (14766038932).jpg

Identifier: goldfishbreedsot00wolf (find matches)
Title: Goldfish breeds and other aquarium fishes, their care and propagation : a guide to freshwater and marine aquaria, their fauna, flora and management. With 280 explanatory illustrations, printed with the text
Year: 1908 (1900s)
Authors: Wolf, Herman Theodore, 1855-
Subjects: Aquariums Goldfish
Publisher: Philadelphia : Innes & sons
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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is of such a belliger-ent disposition that the males will attack each other, and also their matesout of the breeding season, the strong lips and sharp teeth being formid-able weapons with which fatal wounds are inflicted. The appearance of the fish is novel, the curious form, brilliantmarkings, evasive colors and marvelous fins and tail, differing from anyother domesticated fish. In the breeding season the males are of lustrous, dark olive-green color,overlaid with fleeting,prismatic color flasheswhich seem to be undercontrol of the fish. Thefins and tail are outlinedwith most brilliant red,yellow and brown. Thefemales are lighter incolor and of a more grey-ish or light-brown hue,which becomes a greyish-white during the breeding period, and all the finsare shorter and more rounded than those of the males. The illustration,Fig. 35, is the male of the domesticated variety, Macropodus -viridi-auratus,in nuptual garb. The Paradise Fish is easily reared and prolific, and will thrive in any
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FIG. 3 5—Indian Paradise FishMacropodus viridi-auratus Two-thirds life size 7i SOME FRESHWATER AQUARIUM FISHES receptacle and water, much plant life and frequent changes of water beingunnecessary. The fish is an air-breather and is not dependent upon theoxygen liberated by aquatic plants. It will live in temperatures to ioo° F.,but, on account of its tropical origin, succumbs to those under 3 8° or 400F. It is of such lively habit that the aquarium should be kept coveredto prevent its leaping out of the water. The sexes should also be separatedexcept in the breeding season, as the full-grown pugnaceous malefrequently kills its mate and will exterminate any other fish in the samevessel. The nest-building habit of this fish is most curious. The spawningsoccur a number of times during the season, the floating nests being formedof air bubbles coated with gelatinous matter expelled from the mouth ofthe male. The eggs are deposited by the female, fecundated by the male,carefully placed

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