Posted by admin | Posted in Fishing | Posted on 10-08-2008
Tags: camera, diy, flyfishing, outdoor, photo

Shark picture from one of Great Lakes? 1960’s or 1970’s?
I recall for a little while seeing pictures in a Chicago news paper, posted in fishing bait and tackle shops about a shark either dead, caught, netted, or located in one of the Great Lakes in the USA. I am not making this up. Most people a skeptical of this, but it was a photo in a major Chicago newspaper. Is anyone old enough to remember this photo? Please help, because I kind of have a bet on this. I think there was such a fish and photo, and it was in a major Chicagoland newspaper, maybe 20 to 35 years ago. I’m not making this up. (I don’t suggest that sharks are IN the Great Lakes. I’m not trying to scare anyone.)
Although most people think of sharks and rays as exclusively saltwater inhabitants, quite a few species actually make use of freshwater living spaces. In a 1995 paper, elasmobranch systematist Leonard Compagno and shark fisheries biologist Sid Cook surveyed the diversity and distribution of freshwater sharks and rays. Compagno and Cook reported that some 43 species of elasmobranch in 10 genera and four families penetrate freshwater environments in Australia, Southeast Asia, western Africa, eastern South America, Central America, and southeastern parts of North America. Coastal elasmobranchs, including some skates (family Rajidae), smooth dogfishes (Triakidae), pajama catsharks (Poroderma spp.), and Sandbar Sharks (Carcharhinus plumbeus) regularly enter estuaries to feed or give birth to young. More impressive yet are stingrays (Dasyatidae, Potamotrygonidae, and others), sawfishes (Pristidae), and the notorious Bull Shark (Carcharhinus leucas), all of which penetrate far up freshwater rivers – the Bull Shark has been recorded some 2,600 miles (4,200 kilometres) from the mouth of the Amazon River – and some even complete their life cycles in freshwater. Yet, in theory, it should be next to impossible for a ’saltier than seawater’ elasmobranch to survive in fresh water. How do these freshwater sharks and rays manage this osmoregulatory feat?
There are a small number of shark species that do thrive in fresh water, and certain sharks have been known to venture from their saltwater homes to major freshwater lakes and rivers.
i can not find anything of the picture u are talking about,sorry
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