Image: Black bullhead flipped

Description: Ameiurus melas
Title: Black bullhead flipped
Credit: http://pond.dnr.cornell.edu/nyfish/fish.html
Author: Ellen Edmonson and Hugh Chrisp
Permission: Image was prepared by Ellen Edmonson and Hugh Chrisp as part of the 1927-1940 New York Biological Survey conducted by the Conservation Department (the predecessor to today's New York State Department of Environmental Conservation). Permission for their use is granted by the New York State Department of Environmental Conservation. This work is in the public domain because it was published in the United States between 1923 and 1963 and although there may or may not have been a copyright notice, the copyright was not renewed. Unless its author has been dead for the required period, it is copyrighted in the countries or areas that do not apply the rule of the shorter term for US works, such as Canada (50 pma), Mainland China (50 pma, not Hong Kong or Macao), Germany (70 pma), Mexico (100 pma), Switzerland (70 pma), and other countries with individual treaties. See Commons:Hirtle chart for further explanation. Deutsch | English | español | français | italiano | 日本語 | 한국어 | македонски | português | português do Brasil | русский | українська | +/−
Usage Terms: Public domain
License: Public domain
Attribution Required?: No