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Summary
DescriptionParachanna obscura.jpg
English: Lateral view of the Parachanna obscura
Date
Source
Courtenay, W. R., & Williams, J. D. (2004). Snakeheads (Pisces, Channidae): A biological synopsis and risk assessment. Gainesville, FL: U.S. Dept. of the Interior, U.S. Geological Survey (Online version), a reprint with permission of Bonou, C.A., and G.G. Teugels. 1985: Révision systématique du genre Parachanna.
Author
the sketch is attributed to (Günther, 1861), most likely zoologist Albert Günther, died 1914 (works published before 1896)
Licensing
Public domainPublic domainfalsefalse
This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 90 years or fewer.
You must also include a United States public domain tag to indicate why this work is in the public domain in the United States. Note that a few countries have copyright terms longer than 80 years: Mexico has 100 years and Jamaica has 95 years. This image may not be in the public domain in these countries, which moreover do not implement the rule of the shorter term.
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
Public domainPublic domainfalsefalse
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country. Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Parachanna_obscura.jpg
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public domain
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2 June 2013
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