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The Mollies and Guppy Fish

By Jody Siena TEXT SIZE Minus Plus

Mollies come from Poecilia spp. and the Poeciliidae family. The Mollies is one of the favorite tank fish, since the fish is similar to the swordtail fish. The swordtail comes from the Xiphophorus helleri group. The molly however does not have a swordtail, rather a larger fin, known as the dorsal.

The fish has a variety of shapes, and is reaches up to 4 to 4 ¾ inches in size. The males only grow to 3 1/3 or 4 inches at most. Mollies male and female counterparts differ in color, size, and gonopodium. The fish can live in extreme wide-ranging environments, and will suit in estuaries habitats. The water temperature desired of the molly is 72 degrees, not succeeding 82 degrees Fahrenheit. Mollies also prefer hard water, which the pH level should be set at seven or eight. The fish will reside in hard waters, which salt is needed. Mollies enjoy house furnishing, lights, well-planted areas, thin layers of humus, and so on.


Mollies will feed on vegetables, including spinach as well as algae. The fish are omnivorous in nature. Mollies have a biological lively nature, which the schooling fish desires constant water flow. The fish are livebearers and breed successfully providing plenty spawns. In addition, mollies are sociable, yet the fish should be kept in communal tanks where large schools exist.

Guppy fish listed under Poecilia reticulata is kin to the family of Poeciliidae. The fish comes from the waters in Guyana, Venezuela, Brazil, Trinidad, and Barbados. The environment desired is still, flowing waters. The fish prefer water temperatures at 68 degrees and no higher than 75 degrees Fahrenheit. The pH level should not succeed eight, nor go below seven. The water preferred is hard water, which the fish can live in extreme hard water conditions as well. Tank: The fish prefer illuminated tanks with plenty of furnishing. You should store the fish in a medium tank and provide them rich vegetation and plants. The fish will eat all sorts of foodstuff. Biological nature; The biological loose school natured fish will be on the constant go, therefore he does not have time for long-drawn out schooling arenas. The fish are good breeding fish, yet beware, since Guppy will eat their own youth. You should keep Guppy fish in tank aquariums where other live bearing fish reside.


Nowadays the aquariums are ecosystems include a wide assortment of technology advanced qualities. Air and water pollution has increased the need for aquarium life, which in accordance technology has advanced the tanks to meet the high demand of aquarists. Tanks today are constructed by technological experts, which design real water aquarium environments. Most tanks sold today, include advanced electrical circuits, plugs, filters, air supply, etc. The market is saturated with tanks that will allow you to raise or lower the water temperatures. The light switches enable you to vary in intensity, thus lowering or increasing the light production.

In addition, you have a wide array of on and off switches, which utilize mechanical timers that permit aquarists to easily adjust water temperatures and light intensity.

One advantage of tanks today, is that most tanks are equipped to handle nearly all fish available on the market. The problem is all fish are different and require their own special attention. Therefore, you should never group fishes with fish that prefer to live with their own kind. In addition, seawater/saltwater and freshwater fish differ. The freshwater fish include the Tropical and Coldwater fish.

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