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Old 19-07-2018, 10:03 PM
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Where do Melbourne CBD Jewies spawn

Has anyone ever heard of a Mulloway caught in the Nong or Yarra or Patto with the white stuff coming out.

Part of me thinks that the big schools that show up, must be getting together to spawn but I've read they go out to coastal headlands for that.

I was having a riverside chat the other night and a bloke who gets his share also mentioned he cant remember any milt from River Jewies.

(photo of reddie Just incase theres some confusion of what I mean by Milt)
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Last edited by yellow door 1; 19-07-2018 at 10:26 PM.
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Old 19-07-2018, 11:03 PM
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Heres a shot of my smallest from the docks - anyone got any idea how old this fish would be
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Old 20-07-2018, 02:17 AM
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The legal length in NSW is 70cm which is when they usually first mature, this side of the border they head out to the ocean to breed where they have a good chance of accidental capture by the mullet netters. Every year those silly fish head to the exact spot the mullet netters operate and get caught as by-catch. Year after year after year..........
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Old 20-07-2018, 02:44 AM
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Quote:
Originally Posted by Charlie View Post
The legal length in NSW is 70cm which is when they usually first mature, this side of the border they head out to the ocean to breed where they have a good chance of accidental capture by the mullet netters. Every year those silly fish head to the exact spot the mullet netters operate and get caught as by-catch. Year after year after year..........
Geez - That must annoy the mullet netters

Thanks for the heads up on the Northern scene - I think something similar is supposed to happen here - I'll do some more research.

Do you know approximately what time of year they spawn where you are?

Sounds like they like water saltier than river water to get their spawn on.

Last edited by yellow door 1; 20-07-2018 at 02:48 AM.
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Old 20-07-2018, 02:46 AM
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"RESEARCH has shown mulloway swim hundreds of kilometres from Victoria, over the border to breed in South Australia.

The study, conducted by the Victorian Environment Department, revealed the fish travel a whopping 450km through rivers and a stretch of ocean from Victoria's Glenelg River to SA.

The study confirmed the prized eating fish come from Victoria consistently to breed at the Murray Mouth and Coorong region.

Head fish ecology scientist Jason Lieschke said it was unusual for small fish, such as mulloway, to travel so far.

"(In other states) they usually only travel 50km from each other (to breed) ... but this is 450km away from each other," he said.

"For these fish ... it seems a long way to swim."

The study showed some of the fish stayed here after breeding while others swam back to Victoria.

"Throughout the four-year study we found no evidence of mulloway breeding in the Glenelg River estuary," Mr Lieschke said.

He said this research supported data from the SA Research and Development Institute, which showed mulloway might like the mix of salt and freshwater found in or near the Murray Mouth for breeding.

"During the years of drought, where there was virtually no flow from the River Murray entering into the Coorong, the breeding wasn't as successful in those years," he said.

To conduct the research, scientists tagged special tracking devices to the mulloway while they were anaesthetised and released them back into the wild.

After the mulloway were tagged, they were able to determine the whereabouts of the fish through transmitter devices placed underwater in both states.

"The batteries in the tags have a three-year life so they have now run out or been retrieved," Mr Lieschke said.

He said the research would allow scientists and government departments data on how to manage the mulloway population in the state.

"The (mulloway) population encompasses a much larger area between states and they could be heading from the Murray Mouth towards Western Australia," he said."
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Old 20-07-2018, 02:55 AM
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Those ones tagged in the Glenelg do the 450km for the spawn - Traveling from the CBD would add a few km to the trip (especially if they didnt use the Western Highway)
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Old 20-07-2018, 03:02 AM
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on a side note - I didnt even know Mulloway were getting stocked in Victoria

"In addition to the seemingly sudden spike in natural recruitment as referred to earlier, Fisheries Victoria has implemented a marine stocking program (including mulloway) as part of the State Government’s Target One Million plan – which aims to increase participation in recreational fishing. More specifically, 5000 mulloway were recently released into Lake Tyres with further 2500 planned for release into Tamboon Inlet. Anglers from other coastal regions have also been invited to discuss future marine and estuary stocking opportunities. Whilst it will be a few years before these fish reach maturity, it is an exciting time for fishing in Victoria."
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Old 20-07-2018, 03:08 AM
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SOme interesting reading here

http://natureglenelg.org.au/wp-conte...tter-No.-1.pdf
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Old 20-07-2018, 03:24 AM
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heres some growth charts

http://fish.gov.au/reports/Documents...al.%202008.pdf

or the image below that is the average NSW weight per cms
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Last edited by yellow door 1; 20-07-2018 at 03:32 AM.
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