I think it was Tim Flannery who said we know more about the moon or certainly Europe than about our own waterways. The sunfish, a completely pointless impediment to shipping in some circles, but interesting to science. Might change my handle to bumphead. I understand they eat jellyfish which has to be a good thing.
Shedding light on the sunfish
Tales of sunfish have intrigued scientists since the 1800s. Now, Australian and New Zealand researchers have unravelled a key mystery.
http://www.smh.com.au/national/scien...5e1p.html?btis