Picking up the fish in small aquariums up to 50 litres, should heed some advice from experienced aquarists. Buying your favorite fish, be sure to ask what size reaches the adult stage, because sometimes the small occupant of the home pond maybe in time turn into a large predator.
A good combination for a small aquarium can be considered a combination of fish: 5 platies, catfish Ancistrus – 3 individuals, 10 neons, 5 swordtails. Also nice to get Remora 3 catfish, 2 angelfish, 4 mossy of Mahseer. The optimum and such a combination: 3 swordsman, 5 Zebra fish, 2 spotted catfish, guppies 10. What kind of fish to buy, everyone decides for himself, and not necessarily on the above list – as long as they can peacefully coexist. The optimum number of fish determined based on the fact that 1 individual length of 5-7 cm had 3-5 liters of water.
Catfish in a small aquarium. Continue reading
The most decorative are considered shubunkin – gold fish with blue, red, purple, black.
Shubunkin and goldfish
In Europe fish is relatively recent, although in China, was bred for thousands of years. There are many species of these fish, the most persistent of them can live under a layer of frozen water, if only “window”.
Ornamental fish (not edible) in the winter water can’t.
Ordinary goldfish are inexpensive, unpretentious. Scales with metallic sheen, shiny. Can live up to 20 years and grow to 40 cm Spawn from April to July.
The most decorative are considered shubunkin – gold fish with blue, red, purple, black. Continue reading
Today our article will be about a very ancient creatures of the animal world that lived before dinosaurs and sharks. So there you go.
• At the moment the science there are about 350 species of sharks, but scientists believe that there are unexplored species.
• The size of sharks vary greatly. The smallest known shark is the dwarf shark glowing. It has a size
no more human hands. The greatest number of sharks include a large whale it often exceeds 10 meters in length. There are reports of specimens 18 and 20 meters. Despite their enormous size, they feed only on plankton and small crustaceans.
• The shark is a fish, moreover it has no bones in his body. The entire skeleton of sharks consists of cartilage.
• In order to breathe, a shark must constantly swim. Continue reading