A hard-boiled egg yolk is added to water in a glass. This forms microparticles which are then sieved. This nutritious liquid is then given to the fry, taking care not to put too much into the tank, as it is always important to minimize pollution. Egg yolk, rich in proteins and lipids, can be used […]
In fact, these are not worms but the aquatic larvae of various species of nonbiting mosquitoes. They are also commonly used as bait in fishing. Although it is sometimes thought that they live in mud, they are actually found in the water of areas that are well endowed with organic matter. It is useless trying […]
The artificial foodstuffs currently on the market are very effective for aquarium fish. In order to cover their needs as fully as possible, fish can also be served small, live prey, which are similarly available commercially and are an important source of vitamins and mineral salts. There are other possible options: white meat and mussels, […]
The biggest members of a species dominate the smallest ones: when the latter get bigger they are ejected from the territory. Dominance behavior has practical and social implications, as the dominator will have priority in food and the choice of a fish of the opposite sex. At the bottom of the social ladder, the most […]
PUBLIC AQUARIUMS In public aquariums, fishkeeping takes on a new dimension. The general trend is to offer the public extremely large tanks, in which the behavior of the animals reflects as closely as possible what actually goes on in their natural habitat, usually beyond the reach of most people. These “living museums” serve not only […]