A spot miles from the ocean, popular for swimming and surf fishing, yielded a monster that no one could have predicted.
A fisherman from New South Wales, Australia recently landed giant bull shark in the same waters that his children often swim. The nearly 600-pound shark was landed miles from the ocean along the Hastings River, a popular destination for surf fishermen and swimmers.
This behemoth bull shark is most likely not the only one in the area either, as anglers have reported seeing monsters take their bait recently, though this instance was the only one where the catch was landed.
Most sharks will not frequent areas of freshwater, as they aren’t adapted to such systems. However, while it may seem strange to most, bull sharks are actually fairly well adapted to freshwater systems, and more and more sightings of the toothy creatures far from their ocean home happen each year.
“What is their secret?” you might ask. Well, according to Discovery, the answer is to pee, and pee alot! That’s right. Bull sharks are able to survive in fresh water by urinating much more than other shark species.
“…These huge fish take in a lot of extra water… but they excrete much of it as dilute urine, at a rate of over 20 times that of typical saltwater sharks.” says Ichthyologist Thomas Thorson in the article. “That means their kidneys must work extra hard, utilizing additional energy.”
Bull sharks, as their name suggests, can be a very aggressive and unpredictable shark species. The International Shark Attack File lists the bull shark as the third highest for unprovoked attacks (total of 100) with 27 fatal and 73 non-fatal attacks since records have been kept. This falls just behind white sharks at number one, and tiger sharks at number two.