David Strike wrote: > > The third episode of David Attenborough's, "Blue Planet" screened last > night. Offering an insight into life in the sea, it's both informative as > well as visually stunning. But it did raise a few questions in my mind! > :-) > > One aspect of last night's episode showed huge shoals of sardines feeding on > plankton. Swimming along with their mouths open in a huge 'O' shape, they > scoop up the plankton and expel the sieved water through their gills. Now > this, it seems to me, is fine for the fish out at the front of the huge host > but not much of a life for the slower sardines at the back of the pack. :-) > > Looking at the huge wall of mouths busy gobbling up plankton, I can't > imagine that there'd be too much left over for the tail-end-Charlies other > than re-cycled plankton that's already passed through several dozen other > sardines' digestive tracts! :-) > > Seems to me it wouldn't be much fun being a slow swimming sardine! :-) I think Lewis Grizard, a Southern US humorist said it best: "If you ain't the lead dog, the view never changes..." -- Harold Pritchett The University of Georgia Computer Incident Response Team [log in to unmask] +1.706.542.5110 pgp public key: http://www.arches.uga.edu/~harold/pgpkey.html "They that can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety." Benjamin Franklin, Historical Review of Pennsylvania, 1759.