Crank – larvae of a mosquito-derguna of long from 0.5 to 1.5 cm. Thanks to a large amount of the hemoglobin dissolved in it it has red color. Lives in still waters and is one of the most useful forages for many species of aquarian fishes.
Instruction
1. Before feeding of fishes its fresh crank it is necessary to wash out and touch carefully. Becomes it to sort live larvae from the dead. The last do not recommend to feed fishes.
2. Put it in the sieve put in a basin with water. Water has to be so much that it hardly concerned cells, but it is no more. The live crank will begin to get out, and dead larvae will remain at the bottom.
3. Sort live larvae. The largest of them will go to a forage for gold small fishes, telescopes, vualekhvost and others viviparous and predators. You feed all other fishes with a small crank.
4. For feeding of small fish it is possible to use also large larvae. But in this case they need to be cut. Put a crank on a glass board and small chop a sharp knife or an edge.
5. Throw larvae in the small portions that fishes could pick up them before lowering on an aquarium bottom. Otherwise the forage will bury in sand, and fishes will not reach it. It is also possible to skatyvat a forage in lumps.
6. Make a special feeding trough. For this purpose perfectly the stopper or a piece of pine bark will approach. Vystrugayete from her the middle, enclose a crank there and make below small openings that live larvae could creep out through them. Such feeding trough will be very convenient for fishes.
7. Prepare a crank for the future. Live larvae can be put in the freezer or to dry up in an oven. The frozen crank before feeding it is necessary to defreeze to room temperature or to drench with hot water. And dry larvae can be poured out in an aquarium at once or to steam out them in warm water.
8. The fresh live crank can be stored in the fridge up to three weeks. For this purpose wrap it a thin layer in two rags from natural fiber. The first of them has to be dry, and the second, external - slightly damp. Before a vykladyvaniye on a crank rag, curtail it into two layers.