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Sat Oct 21 13:36:24 BST 2006

I respect your brother thoughts, but in Venezuela where the accidents are
common with these animals the frequents "bites" are on the foot. The person
usually steps on the Stingray and the animal stings back, usually towards
the agresor foot. These accidents occur in the rivers with soft sands where
the stings bury themselves. Until the famous australian naturalogist I never
heard of such kind of accident. Then in Venezuela exist no so good record
keeping of accidents, specially in the countryside. Finally, may be just
because these people where on a horizontal position got hit in the torax,
may be not...
Advice: if you go to a river with Stingrays and soft sand you better slide
your feet in the sand  instead of stepping over the sand. Learned when
living in the Amazon forest.
Regards
Manuel Sotelo MD
PD some local medical data 1°-eng.  2°-spa 3°-Spa (abstract in eng.)
http://www.scielo.org.ve/scielo.php?script=sci_abstract&pid=S0798-04692004000200009&lng=es&nrm=iso&tlng=en
http://www.serbi.luz.edu.ve/scielo.php?script=sci_arttext&pid=S0075-52222005006000006&lng=pt&nrm=iso
http://www.serbi.luz.edu.ve/pdf/km/v33n1/art_06.pdf
links on stingrays 1°-eng.  2°-spa 3°-Spa
http://en.wikipedia.org/wiki/Long-tailed_river_stingray
http://www.amazonian-fish.co.uk/indexpota.html
http://www.interciencia.org/v25_01/machado.pdf

>>> bensonblues at comcast.net 10/20/06 4:25 PM >>>
Pret,

..........
My brother the biologist has an interesting theory: he believes that
the stinger has receptors that detect the rapidly beating heart,
mistaking the precordium for the movement of a fish. So, if you are
unlucky enough to find yourself in the same situation as the 2 sentinel
victims, put your arms and hands over your heart and remain calm.

DB
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Stingray again