what do tuna do at night

Discussion in 'Fishing Chit Chat' started by ALWAYS BENT, Sep 16, 2010.

  1. Lou W

    Lou W registered offender

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    What goes around comes around
     
  2. Sactotuna

    Sactotuna Well-Known "Member"

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    That's a much better question than the answers.
    Here's the deal, as the sun goes down the deep scattering layer rises up. You can set your watch by it, the biggest migration of life on the planet occurs every day in the oceans. At that time the tuna have much easier access than when it's deep during the daylight.
    Ever cut open a tuna and se all this tiny stuff it's been eating? Little squid, tiny little box fish, etc? Next time reach down and put some in your hand, it's really cold. That's the deep scattering layer. All day long tuna "bounce feed" by diving down really deep for that stuff, then swimming back up to warm up before going back down.
    As daylight goes away the layer rises up to feed on plankton, then sinks back down as the sun comes back up.
    The guys who do the tagging trips on the Royal Star get a nice long presentation on how their prior tag trips results confirmed this.
     
  3. Rubberhook2

    Rubberhook2 Local Bluefin

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    It may have been mentioned but tuna have no swim bladders, meaning if they stop swimming they sink like a rock. It is not known if tuna "sleep" but one thing is for certain...that tail never stops beating their entire life leading to incredible stamina and a body composed of nearly all muscle, something we refer to as "loins"...
     
  4. Fishybuzz

    Fishybuzz fishybuzz

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    "Loins"....hmmm makes me think of something other than tuna fish....:rofl:

    Last year at the Hurricane I was in the wheel house with Kevin and we watched the sea life slowly rise towards the surface as the sun went down......and the fish just followed it it was pretty cool to watch...they EAT at night...oh yea they EAT in the daytime too.
     
  5. luxloother

    luxloother Newbie

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    Tthey swim stupid
     
  6. Ripnlip

    Ripnlip Newbie

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    We had a guy at one of our meetings show us some info on YF and suprisingly they were closer to the top of the water at night. They can suprisingly dive deep to feed and spend most of the day yo-yoing up and down. At night however they are very shallow and feed heavily.
     
  7. jagerhunchback

    jagerhunchback MCLMM

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  8. Keith Poe

    Keith Poe Newbie

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    Hey you Guys

    Here is some Swordfish research that is useful ForTuna.

    The STFZ in this study is used by Tuna and Swordfish and works it's way around the California current in to the California under current in to off shore areas around So Cal.

    The mixing zones off shore in So Cal of the Cal currents in the STFZ are intersecting with local banks off the Patton Escarpment are great places to target predators night and day.

    Seems to me more guys would spend more time once out side fishing day and night with the cost of fuel and time and effort involved

    http://www.pifsc.noaa.gov/eod/pub/FOG_Seki-etal-02.pdf
     
  9. ALWAYS BENT

    ALWAYS BENT Fishing Addiction

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    thanks guys
     
  10. Jig Strike

    Jig Strike . . . new and improved

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    They also eat in rough seas and when it is raining.
    They don't care, they're already wet.

    Please do not take this personal... the internet is not all about you.

    You are getting gently slapped around because you have
    a peculiar way of begging for knowledge.
     
    Last edited: Sep 17, 2010
  11. BuonaForTuna

    BuonaForTuna Newbie

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    They Swim Backwards so they can start where they left off before they fell asleep.
     
  12. Bank Robber

    Bank Robber Hyperbolist

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    I seem to remember reading an article (probably on BD) that some tagged fish "glided" down at night to save energy. I think it was only when they were in travel mode but if I remember right they would only lightly kick their tails on a down glide then shoot up to the surface or near it then start again. I might be smoking crack but it sounds good eh?
     
  13. Capt. G

    Capt. G BD Outdoors Contributor

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    Q. what do tuna do at night<!-- google_ad_section_end --> ?
    A. The same thing tuna do during the day.

    If you think that is a smart ass answer, you need to get back in the (tool) box.
     
  14. SEAKITTENKILLER

    SEAKITTENKILLER Go Fish

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    Well........that'll be the last time I try to help a kid out.
     

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