Iden is similar to roaches but has a more curved back.
Red belly and anal fins.
It is the largest of our roach fish and can amount to 4 kg in Sweden (5 kg in Finland).
It lives in both fresh and brackish water. It is found along the coasts, in watercourses in central / southern Sweden + northern coastal area.
However, it prefers clear flowing water.
Lifespan: about 23 years.
Sexually mature at 6-7 years of age, plays in March-June in running shallow water.
Swedish record: 3.7 Kg.
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