King threadfin

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Matt Flynn
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Re: King threadfin

Post by Matt Flynn »

Great thread.
It is interesting, the 120cm - 130cm barra were caught more when the nets were in Chambers and Finke Bay BUT a lot of have things have changed, more boats for starters, more noise.
This observation comes not from me but from NT guides I have talked to.
I am guessing there might be more sharks and crocs in net-free areas now, eating the barra when they get big and slow.
You'd also think the huge new threadie biomass would be sucking up a lot of potential barra food, if not also young barra.
Might be a good argument for having a threadie-only net fishery in trophy barra waters.
I had a look at wet seasons and can't say I saw any trend out there, but there may have been localised big Wets that helped things a long prior to the big mobs of 120cm fish.
Would people rather catch five 90s than a 120?


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Re: King threadfin

Post by NinjaFish »

I get what your saying Ronje about how hard info is to find on the NT. If you click on this link its worth clicking on “was this page useful” - NO. King Threadfin shown as a Blue Salmon (4 whiskers). Just an example.
https://nt.gov.au/marine/recreational-f ... adfin-king
???

Just a bit of evidence about sharks learning about food and congregation re comments on schooling.
https://www.nationalgeographic.com/anim ... songbirds/

Email sent in regards to scientists writings and I look forward to reading.

Personally, I’d rather catch 5x90 in a 1 day session than just 1x120 over the day.

:drinking1:
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Re: King threadfin

Post by mako »

Does anyone catch King Threadfin in significant numbers in the harbour ?...the pros do not net the harbour anymore.
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Re: King threadfin

Post by ronje »

Do you know where they spawn? That'll be where the big ones will be most vulnerable.
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Re: King threadfin

Post by NinjaFish »

Not so certain there any big spawning grounds around the harbour itself. Ive only caught them accidentally up to about 60cm around the Arms and not many. Plenty of Blues though.
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Re: King threadfin

Post by ronje »

Here, the spawning grounds are pretty much the same as those for barramundi for the same reasons. Probably there as well.

King threadfin is acceptable by-catch for the barramundi nets. In addition, there is no maximum size of TK in Qld. At least the NT has a max limit of 90cm fork length. Qld hasn't got an upper limit for TK but needs one.

Be interesting to see how well TK stocks recover. That upper limit size will help.
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Re: King threadfin

Post by al57 »

i totally agree on having upper limits on the king threadies ,here in the bay monster kings are killed every year mainly by the pro netters but also some rec fishoes too ,90cm is a great size as it is still a big fish with heaps of fillet on them .i cant see our fishery being sustainable with the way it is going at the moment ,the catch rates are falling fast over the last few years.i hope it doesnt take a total elimination before something is done .the new legislation going thru now hopefully will addapt a new policy on the pro netters pillaging the areas here in the bay .
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Re: King threadfin

Post by ronje »

There are 102 amendments to legislation proposed by Qld Fisheries. Some amendments favour commercial fishermen over recreational fishermen. Now THAT'S a surprise.

No. 1 amendment is to increase the minimum size of king threadfin from 60cm to 65 cm. No mention of a max limit.

Needs pressure on local pollies to make a max limit for king threadfin happen.


Had a good day yesterday. 4 king. 139, 139, 118 and 80. Tried a new way of releasing them as big king are difficult to release successfully. Swimming them is a waste of time as its a baratrauma problem. Yep baratrauma at 6 m but king are one of the few fish susceptible.


I got the 80cm one in 1 metre of water, quick fight, quick tag, released him and he floated belly-up. Unbelieveable.
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Re: King threadfin

Post by joesgotone »

I lived in Proserpine for a while where the by catch was Barra. Every local chased Threadies and there was some size among them. I have been disappointed in the size of threadies around Darwin but don't live bait for them like in the Prossie River. Think the tide range makes this a limited option. Still love to eat them as they are better than Barra but harder to fillet. I only chase them with lures and will just cast hard bodies at them normally. If you annoy them enough they will strike at the lure.
how many is enough lures, rods and reels. Is there a magic number, considering you usually only catch 1 fish on a single lure on the one rod and reel your casting with.
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Re: King threadfin

Post by ronje »

Anybody on here chase king threadfin in deep water (6m or so)?
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Re: King threadfin

Post by Sullo »

joesgotone wrote: Fri Jul 05, 2019 10:48 pm I lived in Proserpine for a while where the by catch was Barra. Every local chased Threadies and there was some size among them. I have been disappointed in the size of threadies around Darwin but don't live bait for them like in the Prossie River. Think the tide range makes this a limited option. Still love to eat them as they are better than Barra but harder to fillet. I only chase them with lures and will just cast hard bodies at them normally. If you annoy them enough they will strike at the lure.
We are getting hammered here by pro fishers,net free zones give us a heap of new pros
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Re: King threadfin

Post by ronje »

Maybe you guys need to start pushing for a max size on king threadies now that Fisheries want to change rules. We've called for a max size of 1m (total length). Got a meeting with local MP about it this coming week.

King need to be a metre or more to change sex and then a bit bigger to breed. The netters will annihilate king threadfin stocks as they keep taking the big breeders out of the system. I suspect that's what's happened in the NT over the years. Think that there's now a 950mm (or so) upper slot limit on king threadies there??

Those NFZs also took a lot of netting licences out of circulation.
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