The lying lake needle is rather for the delicate small pool, without big fish and with a lot of algae growth. If there are no food contraception, it can work out, but you have to add that it is very difficult to go to substitute food. As a substitute fodder there are smaller varieties, such as Artemia, (also living and freshly hatched) Bosmids or Lobstereier. As with all animals of this species, the males carry the eggs. These animals should not be bought without thought, but only by those who really want to deal with them.
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