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Thread: How do fish get here?

  1. #1 How do fish get here? 
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    I live near to a wetland area in Mumbai where there are large shallow freshwater lagoons, these are havens for water birds and raptors, at the end of the monsoon, ie, now, they are full of water and, amazingly, fish, some quite large, although I have no idea what species. By February these lagoons will be dust bowls with no evidence of water apart from the cracked surface where the remaining mud dried out under the baking sun. I know from experience that by this time next year they will be full of fish again and kingfishers and ospreys will be feeding there.
    There are no streams or rivers feeding these lagoons so where do the fish come from/how do they survive desiccation?


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  3. #2  
    Forum Ph.D.
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    I would need some idea what type of fish are in the water. There are fish that survive droughts by hibernating in the mud.


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  4. #3  
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    I believe this is actually aestivation rather than hibernation.
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  5. #4  
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    We have a similar thing in Australia in places like Lake Eyre. It can be dry as dust for more than 10 or 20 years. The rains come in Queensland, the floodwaters work their way down the normally dry rivers, the water arrives - two weeks later the place is heaving with fish and frogs and all kinds of things. And birds come from 1000s of kms away to feast and reproduce and, if they're lucky, fly away again.

    The eggs, or embryos, or whole frogs (not sure about fish) can survive desiccation for decades.
    "Courage is what it takes to stand up and speak; courage is also what it takes to sit down and listen." Winston Churchill
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  6. #5  
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    Interesting, I'm guessing that the larger fish ( 20-40 cm in length I estimate) must aestivate deep under the mud or can travel overland during the rains much like lungfish or eels. For the smaller fish is it the eggs or the adult fish which can survive the drying out?
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  7. #6  
    precious sir ir r aj's Avatar
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    Quote Originally Posted by adelady View Post
    The eggs, or embryos, or whole frogs (not sure about fish) can survive desiccation for decades.
    wowwww. amazing. what a gift of nature. now i envy those fishes and frogs.
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  8. #7  
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    Quote Originally Posted by sir ir r aj View Post
    Quote Originally Posted by adelady View Post
    The eggs, or embryos, or whole frogs (not sure about fish) can survive desiccation for decades.
    wowwww. amazing. what a gift of nature. now i envy those fishes and frogs.
    Then you'd love to hear about Tardigrades...
    "Sometimes I think the surest sign that intelligent life exists elsewhere in the universe is that none of it has tried to contact us." -Calvin
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  9. #8  
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    Quote Originally Posted by Flick Montana View Post
    Quote Originally Posted by sir ir r aj View Post
    Quote Originally Posted by adelady View Post
    The eggs, or embryos, or whole frogs (not sure about fish) can survive desiccation for decades.
    wowwww. amazing. what a gift of nature. now i envy those fishes and frogs.
    Then you'd love to hear about Tardigrades...
    I find them look fake made by humans computer program
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  10. #9  
    precious sir ir r aj's Avatar
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    Quote Originally Posted by Flick Montana View Post
    Quote Originally Posted by sir ir r aj View Post
    Quote Originally Posted by adelady View Post
    The eggs, or embryos, or whole frogs (not sure about fish) can survive desiccation for decades.
    wowwww. amazing. what a gift of nature. now i envy those fishes and frogs.
    Then you'd love to hear about Tardigrades...
    Amazing. Thanks
    Tardigrade - Wikipedia, the free encyclopedia
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  11. #10  
    Cooking Something Good MacGyver1968's Avatar
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    Quote Originally Posted by sir ir r aj View Post
    Quote Originally Posted by Flick Montana View Post
    Quote Originally Posted by sir ir r aj View Post
    Quote Originally Posted by adelady View Post
    The eggs, or embryos, or whole frogs (not sure about fish) can survive desiccation for decades.
    wowwww. amazing. what a gift of nature. now i envy those fishes and frogs.
    Then you'd love to hear about Tardigrades...
    Amazing. Thanks
    Tardigrade - Wikipedia, the free encyclopedia
    Yeah! That is bad ass. I found the creature I'm going to dna splice into mine to get my superpowers. It's a bird! It's a plane...it's waterbear man!

    "I shower with liquid nitrogen and shave with boiling water in vacuum...and didn't even bother to eat during the 70's...because the food just sucked...how about them apples!"
    Fixin' shit that ain't broke.
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  12. #11  
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    Quote Originally Posted by sir ir r aj View Post
    Quote Originally Posted by Flick Montana View Post
    Quote Originally Posted by sir ir r aj View Post
    Quote Originally Posted by adelady View Post
    The eggs, or embryos, or whole frogs (not sure about fish) can survive desiccation for decades.
    wowwww. amazing. what a gift of nature. now i envy those fishes and frogs.
    Then you'd love to hear about Tardigrades...
    Amazing. Thanks
    Tardigrade - Wikipedia, the free encyclopedia

    And for a more informal approach:
    Tardigrades: Adorable Extremophiles - YouTube
    "The only safe rule is to dispute only with those of your acquaintance of whom you know that they possess sufficient intelligence and self-respect not to advance absurdities; to appeal to reason and not to authority, and to listen to reason and yield to it; and, finally, to be willing to accept reason even from an opponent, and to be just enough to bear being proved to be in the wrong."

    ~ Arthur Schopenhauer, The Art of Being Right: 38 Ways to Win an Argument (1831), Stratagem XXXVIII.
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  13. #12  
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    Yeah! That is bad ass. I found the creature I'm going to dna splice into mine to get my superpowers. It's a bird! It's a plane...it's waterbear man!

    "I shower with liquid nitrogen and shave with boiling water in vacuum...and didn't even bother to eat during the 70's...because the food just sucked...how about them apples!"
    MacGyver, what are you smoking?????


    That Tardigrade photo looks like a vacuum cleaner bag to me....



    OB
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  14. #13  
    Cooking Something Good MacGyver1968's Avatar
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    Quote Originally Posted by One beer View Post
    Yeah! That is bad ass. I found the creature I'm going to dna splice into mine to get my superpowers. It's a bird! It's a plane...it's waterbear man!

    "I shower with liquid nitrogen and shave with boiling water in vacuum...and didn't even bother to eat during the 70's...because the food just sucked...how about them apples!"
    MacGyver, what are you smoking?????


    That Tardigrade photo looks like a vacuum cleaner bag to me....



    OB
    I'm smoking life!!! best thing...you never have to clean your bong!

    Think about how useful having the powers of the waterbear would be. I mean...how many times have you dropped you keys in a vat of liquid nitrogen? It happens all the time. Just reach in and grab those bad boys. At a crab boil, you wouldn't even need cooking utensils....and if your wife can't cook...you could use the excuse "I'm not hungry" for the better part of decade!
    Fixin' shit that ain't broke.
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  15. #14  
    has lost interest seagypsy's Avatar
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    Quote Originally Posted by MacGyver1968 View Post
    Quote Originally Posted by One beer View Post
    Yeah! That is bad ass. I found the creature I'm going to dna splice into mine to get my superpowers. It's a bird! It's a plane...it's waterbear man!

    "I shower with liquid nitrogen and shave with boiling water in vacuum...and didn't even bother to eat during the 70's...because the food just sucked...how about them apples!"
    MacGyver, what are you smoking?????


    That Tardigrade photo looks like a vacuum cleaner bag to me....



    OB
    I'm smoking life!!! best thing...you never have to clean your bong!

    Think about how useful having the powers of the waterbear would be. I mean...how many times have you dropped you keys in a vat of liquid nitrogen? It happens all the time. Just reach in and grab those bad boys. At a crab boil, you wouldn't even need cooking utensils....and if your wife can't cook...you could use the excuse "I'm not hungry" for the better part of decade!
    Not smoking.... vaping... he's vaping life.
    Speaking badly about people after they are gone and jumping on the bash the band wagon must do very well for a low self-esteem.
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