A while ago I went into a scuba shop in Cape Town and when they heard that I was a spearfisherman they good naturedly starting giving me a hard time about it.I know there are some people who are very anti this but what do you think - here are some of my thoughts.
Commercial fishing, especially some types like prawn trawling have a very large bycatch which translates to a massive waste of other species and in some areas like the Tugela Banks a lot of this is juvenile fish which must drasically affect the ecosystem.In addition deep trawling causes huge ecosystem damage which can leave large areas devoid of life and bottom structure after a net has been dragged across it.Bottom fishing ensures that most fish brought up from any sort of depth will die from barotrauma even if it is desirable to release it and the list goes on and on.A lot of the people who decry spearfishing seem to ignore these facts and quite happily will buy tins of tuna or prawns from the suermarket.
Apart from the physical limitations of depth and time on spearos we are able to be virtually 100% (as long as you can shoot resonably straight) selective in your take.I personally, and a lot of the spearos I know, do not take any or very few species of reef fish as these are so suseptable to local overfishing.
My answer at the scuba shop was you must see the damage at popular reefs like Sordwana caused by incorrectly boyant scuba divers before you claim to be ecologically friendly (not that I have anything against scuba, I even put on tanks occasionally - had a great dive in False Bay 3 weeks ago)
Lets not get to personal or aggro on this topic but maybe we can understand opposing points of view a little better.
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