3672 x 4870 px | 31,1 x 41,2 cm | 12,2 x 16,2 inches | 300dpi
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paradise fish or paradise gouramis (Macropodus opercularis), are small freshwater labyrinth fish found in ditches and paddy fields in East Asia, ranging from the Korean Peninsula to Northern Vietnam. Paradise gouramis were one of the first ornamental fishes available to western aquarium keepers, having been imported to Europe as early as the 1800s. These small fish (adults are typically about 10cm (4")) are ideal lone inhabitants of aquariums, being physically robust, somewhat colorful and more alert/behaviorally interesting than goldfish. The paradise fish is one of the more aggressive members of its family, by being more aggressive than the blue gourami. Yet they are far less aggressive than the rarely kept Combtail. Paradise Fish are fairly combative, harassing and attacking each other as well as potentially killing small fish. In the wild, they are predators, eating insects, invertebrates and fish fry. The popularity of this species has waned in recent decades as much more colorful (and often, less pugnacious) species of gouramis have become widely available to hobbyists. This species is one of the few fish that can change its color (lighter or darker) in response to stimuli. Paradise gouramis are tolerant of virtually any water conditions, surviving in cool and warm waters alike. They can be kept in outdoor ponds, or even the simplest of unheated aquariums. They will accept virtually any food, but should be given a reasonably high-protein diet (as opposed to vegetable-based foods of the sort sold for goldfish.) As is typical of most bettas and gouramis, spawning involves a male building a bubble nest (a floating mat of saliva-coated air bubbles, often incorporating plant matter) and attracting a female to it. If the female accepts the male's advances, the fish will 'embrace' in open water, releasing both eggs and sperm into the water. The male gathers the fertilized eggs after each embrace, spitting them up into the bubble nest.
