The freshwater sawfish is featured on the first of two new Megafish shows this month on the National Geographic Channel.  The first show, “Monster Fish of Australia”, premieres Monday, Oct. 19.  The freshwater sawfish, Pristis microdon, can grow to 23 feet long. It has a long, flat snout and from 14 to 22 razor sharp “teeth” on the […]

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Animals and plants living in freshwaters are most at risk of extinction:
 http://uk.reuters.com/article/idUKTRE59A1QS20091011
Scientists found the extinction rates for freshwater species were four to six times higher than for their terrestrial and marine counterparts. 

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