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Propagation
Adult sea minogi live in the sea and there are even found at a depth of 1000 m. Like most species of animals minogów they are held dwuśrodowiskowymi and spawning in rivers. Their tarliska may be far from the sea, in the upper course of the river, where he reached after several days of comprehensive migration. When you reach the place of the female prepares a nest among the stones. This consists eggs which are fertilized by the male przyczepionego with przyssawki to her body. After twenty days from egg to larvae wykluwają. For the five years they reside in the mucus wyścielonych Jamkach wygrzebanych river in the ground. At all times, feed on plankton. The transformation of larvae occurs within eight months. During this time, is finally digestive system and eyes develop.