Bishop-fish - Drawing. Public domain image.

A relatively benign merman complete with scales caught in the Baltic Sea in 1531 according to Johann Zahn's sources. In: "Specula physico- mathematico-historica notabilium ac mirabilium sciendorum" by Johann Zahn. published 1696 at Augsburg, Germany. Library Call Number Q155 .Z33 1696. The caption reads: "Vir marinus episcopi specie An: 1531 captus im mari Baltico." Image ID: libr0081, Treasures of the NOAA Library Collection Photographer: Archival Photograph by Mr. Sean Linehan, NOS, NGS National Oceanic and Atmospheric Adminstration (NOAA), United States of America de:Bild:Image:Merman.jpg