James RickardThe return of Diver Dan and sawfish
June 15th 2009 01:34
I looked up something in Wikipedia the other day and ran across an entry for Diver Dan. Does anyone remember this program but me???? Let me put this another way, is anyone else willing to date themselves?
I only remembered one episode and wouldn't you know??? It's the one on YouTube!!!! Indulge me on this obsession so I can write something else.
I only remembered one episode and wouldn't you know??? It's the one on YouTube!!!! Indulge me on this obsession so I can write something else.
Sometimes called "sharks with swords" there are 8 species in the world, five of which are found in Australia. Most people recognize the saw fish by it's toothy snout which always reminded me of an electric hedge trimmer. Although they may lash out at threats or food with their snout, it is more of a tool than a weapon. The snout contains receptors which can detect prey in muddy environments where you often find these creatures. In such conditions, the saw fish may use its snout as a rake to locate buried or hiding victims.
Like several sea going creatures, the exact appearance of saw fish will depend on the species in question. With that in mind, saw fish vary from around 41/2 feet to around 23 feet which is around 1.4 meters and 7 meters, respectively. They vary from browns, grays, and even olive colorings with rough skin.
As it stands right now, all sawfishes are endangered partially because of accidental capture in nets since sawfish often forage in the same areas where commercial fishing takes place. Unfortunately, their toothy snout and rough texture hinder escape from nets once entangled. Additionally, illegal trade of their meat as well as snouts, coupled with a slow reproductive rate, has contributed to a problem across all species.
As it stands right now, all sawfishes are endangered partially because of accidental capture in nets since sawfish often forage in the same areas where commercial fishing takes place. Unfortunately, their toothy snout and rough texture hinder escape from nets once entangled. Additionally, illegal trade of their meat as well as snouts, coupled with a slow reproductive rate, has contributed to a problem across all species.
Until next time--watch your line and watch yourself!
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