Where do the Fish go....

Discussion in 'Surf, Piers, & Jetties' started by Dry Fly Rie, Jul 20, 2020.

  1. Dry Fly Rie

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    ...when the water suddenly drops 10 degrees in 2 days? Do they move out deeper?

    Water was 72 on Friday/Saturday and the action was fast and furious. Water was 62 today and it was like casting to an empty ocean. Nothing sliding in the skinny and no rays anywhere. Good structure and pretty good bait, but not even a tap.

    Where do they all go?
     
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  2. William Ritchie

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    Out past the outside bar ? Water temp with that kind of drop is brutal , looking at the weather we also had a drop in pressure that can effect the swim bladders of fish as well till they equalize . Just my thoughts. WR
     
    #2 William Ritchie, Jul 20, 2020
    Last edited: Jul 20, 2020
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  3. old_rookie

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    Good question. If the water is 72 and you see fish all over, but if the water is cooler and they go to deeper water, that water is cooler than 72 - so I don't think they are looking for warmer water - but I'm not a marine biologist either.
    It must have something to do with food source.
     
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  4. Bassnbeans

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    No expert either, but I’m inclined to agree with WR. Cold slows their metabolism, but that pressure drop will definitely push them deeper.

    Yesterday was like a light switch.
     
  5. K-Bo Smack

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    And the sand crabs have disappeared.

    I was out from 11:30 - 16:00. Hit four different spots. Found one hole with clone sized YFC and beans. Caught like 4-5 fish in less than 15 minutes. I did see two corbina in the skinny at my last stop but no takers.

    Also caught a blenny (I think) with plenty of attitude.
    IMG_20200720_151725.jpg
     
  6. Dry Fly Rie

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    Yeah the crab beds have disappeared at my normal haunts. I still got them today using my large crab net/rake, but there weren’t obvious beds.
     
  7. dmorgan3

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    Barometric pressure itself should not have much effect,1" of mercury (a big drop) is only 13.6" of fresh water depth change, slightly less (2-3%) in saltwater. I think they sense temperature drop and that makes them less active, closer to the bottom (less detected by fish finders) and more cautious. Cold fronts seem to have a much more adverse effect than warm fronts. Stable conditions (high pressure) seems best. If only we could talk to fish and hear the real reason.
     
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  8. Easy619

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    The water was freaking cold this morning! Didnt expect that after last week. Didn't see much action myself this morning. One 18" bean. Threw a flash minnow and sandcrabs all over the beach, not many fish home. Thought we were in the temperature upswing but guess it's not full summer yet
     
  9. Werfless

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  10. Bassnbeans

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    The kids caught one of those and put it in my fish tank. PLENTY of attitude! LOL!
     
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  11. Werfless

    Werfless The Coach ..RIP my friends
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    Need a rock wrasse in there to put it in it's place... Hahaha
     
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  12. HK_Supermarket

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    was in the surf yesterday too and water felt freezing spent more time above the wash because my feet were freezing. No sandcrab beds in sight and lots of salad. Definitely not productive conditions but did manage 1 bean in 16-18in range and friend got a fat spotfin
     
  13. old_rookie

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    It kind of makes sense for the drop in water temp with that southerly current rushing through.
    Something is pushing all that water from the north (colder temps) down to us and further south.
    To get a better understanding of all this (where/why the fish leave) I think a daily (or twice) visit to the beach is needed where various environmental conditions are measured and logged. Temp, pressure, time of day, date, number and size of crabs found at lat,lng, tide, UV index, humidity...and so on. Then feed all that into a AI predictive model analysis so that it can tell us when to fish.
     
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  14. B8DHOOK

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    A few people have been having problems finding crabs lately from what I’ve been hearing.. crabs were absolutely thick a month ago, and so were the “great day of fishing” posts. Definitely has to be a link between the two.. not sure where the crabs would disappear to, except for maybe deeper sand ? It’s not like they can pack it up and migrate north for the summer. Gets me thinking.. where do all the crabs disappear to during the winter months? Maybe they lay eggs and die off, leaving the eggs to hatch when water temps allow in spring etc ?
     
  15. oldfogey

    oldfogey Well-Known Member

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    The crabs respond to temperature. The water went abruptly cooler....the crabs went deeper. They'll be back. You can get crabs in the dead of winter but u need a shovel. As far as the fish just because you went where you last fished and didn't catch or see fish doesn't necessarily mean they "left". It more likely means that because of conditions they are just off the bite. Tight lines
     
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  16. HK_Supermarket

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    from my understanding they just dig deeper. They have an avg lifespan of 2-3 years and the times they are actually in the water columns and traveling any significant distance is in the larval stage where they float around like plankton.
     
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  17. K-Bo Smack

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  18. Werfless

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    The blennies are not my area of expertise... Lol
     
  19. citruspirate

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    I guess its time to start bringing shrimp to the beach again lol
     
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  20. the black lines

    the black lines Well-Known Member

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    So, went out on a pleasure ride in the SD bay yesterday and the water was deliciously warm. I would estimate around 73F+ all afternoon long.
     
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