Danio rerio – the wonderful aquarium fish unpretentious in contents and absolutely peaceful. These small fishes are ideal for the beginning aquarians, but many skilled razvodchik prefer to support them in the aquariums to support a species diversity. Such small fish is always pleasing to the eye and does not cause any efforts. Before purchase the beginning rybovladelets surely should learn to distinguish males from females.
It is required to you
- aquarium with small fishes, a keen eye
Instruction
1. It is possible to distinguish from each other by gender only adult individuals as young small fishes are still insufficiently created and similar at each other very strongly. If for you a floor matters, surely get only the adults who are completely created small fishes, only in this case you will be able to define more or less precisely which of them a male and who a samochka. Also pay attention to that all small fishes in an aquarium were one age as it considerably influences their size. Young people the self-check can be taken easily for males if to compare them to more adult small fishes.
2. The most exact criterion for sex determination at Danio's small fishes is the size. Look at a flock of small fishes and try to compare them among themselves. Females usually larger also have a roundish paunch. Males differ in a harmonious constitution and fall short in sizes of the girlfriends a little. This feature of the building is connected with ability to produce caviar and to bear whitebaits which directly depends on the samochka size danio.
3. Pay attention to intensity of coloring of small fishes. Strips on a body of females are more pale and are less noticeable, and boys-danio are usually brightly painted and are poured very distinctly. Such coloring – the evidence of good masking of small fishes. Pregnant females are slower and sluggish therefore they should not be allocated in sea thickets or against the background of a bottom.