Catfish is the largest freshwater fish. Only the larger members of the family of sturgeons (such as Beluga – up to 1.5 tons), but they are strictly freshwater. Sturgeon are diadromous fish that can live in fresh water, and salt. Rumors, what is the weight of the largest catfish in the world, there are various. According to contemporaries, in the 18th and 19th centuries, when our rivers were much cleaner, and fishermen – less, these freshwater predators grew to an enormous size – up to 400-500 pounds and more. But now sometimes there are real river monsters.
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From the life of a river monster
Small catfish feed mainly on aquatic insects and their larvae. A little older, pass on clams and frogs. As adults, seasoned catfish can eat a big fish (even pikes), inadvertently short time perching to feed the ducks rarely attack a person. The last statement is not idle “horror story”: there are documented cases in the stomach of captured catfish were found the remains of previously missing children or women. Continue reading
Fish enliven the garden pond and justify their presence in it that eat mosquito larvae and other insects. However, the presence of fish in the pond is desirable, but not necessarily, because usually has little effect on the maintenance of the purity of water.
When choosing fish, primarily guided by the size of your pond. If you are not strapped for cash, you probably will want to buy expensive beautiful carps. Unfortunately, these fish are harmful to the plants-oxygenators. Like other species of carp, they need a reservoir with a surface area of not less than 7.5 sq. m. At the other end of the scale are hardy and plain ordinary goldfish and shubunkin that can live in any, even very tiny pond — it is necessary only to ensure that in winter the surface water is not delayed by ice for a long time. Between koi and goldfish is Golden Orff, which required a pond with a surface area of at least 3.5 sq m. Another important consideration is whether will be visible to fish. The most suitable from this point of view fish are ordinary goldfish and more mobile gold Orff, since they always stay at the water surface. Continue reading
In this article I will try to answer the most asked questions aquarists-beginners. So, here we go.
Question: what should be the minimum size of the aquarium?
Answer: 20-30 liters. This volume is enough for two pairs pairs of guppies, and 4 catfish.
Question: which fish is best to have a novice aquarist?
Answer: it is best to start with the same catfish or guppies. These two types can live together and not very demanding environmental conditions. Most importantly – don’t forget to feed the fish once a day and periodically changing the water in the aquarium.
Question: what is best to feed the fish?
Answer: on this question my answer is this – though they are fish, but nevertheless, also like variety. Therefore, alternate feed: one or two days feed dry food, then one day feed live food. Continue reading