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Author Topic: Chum Fry Hatching mid-February!!!  (Read 3272 times)

Sam Salmon

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Chum Fry Hatching mid-February!!!
« on: March 10, 2005, 07:48:04 PM »
Ron Gruber -Streamkeeeper extraordinaire on Spanish Banks Creek-reports seeing Chum Salmon fry emerge in mid-February!
OK there were only a few but I saw them m'self last week.
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Spudcote

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Re: Chum Fry Hatching mid-February!!!
« Reply #1 on: March 10, 2005, 09:58:35 PM »
I honestly don't know...but could it be the warmer water doing this to them ?
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Sam Salmon

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Re: Chum Fry Hatching mid-February!!!
« Reply #2 on: March 10, 2005, 10:25:14 PM »
Definitely.
It such a tiny stream that the temp goes up real fast.
Ron tries to take the temp everyday and it rocketed up that warm week we had in February.
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grandpa

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Re: Chum Fry Hatching mid-February!!!
« Reply #3 on: March 12, 2005, 06:13:34 PM »
Hatching of fish eggs is a factor of water temperature . I can't recall the base temp - its a long time since I took the subject but I know Rod can give it to us . Anyway all fish eggs take 40 degree days to hatch . There is a foggy memory that the base is 34 or 36 degrees and each day that the temp averages above the base   by 1 degree for 24 hours is a degree day , if the average is above the base by 2 degrees for 24 hours it is 2 degree days and so on . I know this seems odd but it is natures way to ( generally ) insure that the fry hatch at the proper tome when food is available to them , no food and they starve--
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