freshwater fish - Germany / German Democratic Republic 1987 - 20 Pfennig

Freshwater fish The Ministry of Posts and Telecommunications of the German Democratic Republic publishes six multicolored special postage stamps and two miniature sheets with pictures of freshwater fish. The miniature sheets each contain two rows of two special postage stamps. Special cancellation from May 19 to July 18, 1987 Freshwater fish About 45 species of fish inhabit the inland waters of the GDR. Of the species shown, lead and pike are widespread and well-known, while the other species are less common due to their narrower habitat requirements. Except for the lead, the stocks of the presented species are obtained or promoted by artificial insemination and breeding of the eggs and breeding of the brood to catch fish. Also members of the German Anglers Association work in voluntary work in their spare time fish farms. The approximately 4.5 million hake produced annually there, as well as over 3 million brown trout, ash, catfish and barb seedlings enrich the practice of fishing and at the same time represent a significant ecological contribution. 20-pfennig value: Wels Europe's largest freshwater fish, the weights of can reach over 150 kg at up to 3 m in length. Like all catfish (Siluridae) a relatively warm-loving species, in the GDR therefore no dense stocks forming. Nocturnal ground-dwelling predatory fish, feeds on fish, small mammals and waterfowl.