THE Joint Fisheries Research Organization has been so fortunate as to acquire a lungfish from the Middle Zambezi. The specimen came, on May 15, 1957, from a stagnant ‘backwater’ of the Zambezi, at ...
If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...
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