The Feejee Mermaid was exhibited in 1842. By P. T. Barnum (P. T. Barnum) [Public domain], via Wikimedia Commons

The Feejee Mermaid was exhibited in 1842. By P. T. Barnum (P. T. Barnum) [Public domain], via Wikimedia Commons

The Feejee Mermaid was exhibited in 1842. By P. T. Barnum (P. T. Barnum) [Public domain], via Wikimedia Commons