Description: Tailfin of European Bitterling (Rhodeus amarus). The soft fin rays of the tail have a few branches. Date: 2 April 2007. Source: Own work. Author: Piet Spaans.
Description: Scales of European Bitterling (Rhodeus amarus)from the hindflank. The bluegreen colour of the tailstripe comes from the epidermis, background colour from the dermis. Date: 2 April 2007. Source: Own work. Author: Piet Spaans.