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australian fish deaths


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#1 wotnobivvy

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Posted 09 January 2019 - 02:51 PM

https://www.bbc.co.u...new-south-wales


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#2 Phone

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Posted 09 January 2019 - 03:38 PM

All,

 

Horrible regardless of the cause.  Waiting for bobj to comment.

 

Phone

 

Edit: or for that matter any of those in OZ familiar with the River Darling.


Edited by Phone, 09 January 2019 - 03:40 PM.


#3 Steve Walker

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Posted 09 January 2019 - 04:35 PM

Eutrophication been a problem there for decades, unfortunately.

 

http://citeseerx.ist...p=rep1&type=pdf



#4 Bobj

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Posted 09 January 2019 - 06:49 PM

As you say, Phone, it is horrible and sadly, happens virtually every year, not only in rivers, but also in a few lakes. Cannot comment on why; some people blame inept Government Departments, some blame the droughts, or hot weather and waterways "turning over". I have seen it a couple of times in NSW and once in Queensland, but not to the extent that is being reported now.


All,

 

Horrible regardless of the cause.  Waiting for bobj to comment.

 

Phone

 

Edit: or for that matter any of those in OZ familiar with the River Darling.


Edited by Bobj, 09 January 2019 - 06:50 PM.




Cheers, Bobj.

#5 Phone

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Posted 09 January 2019 - 08:18 PM

All,

 

Sometimes I think we could use a little help 

 

 

silver-carp-jumping-fox-river.jpg

 

 

Phone



#6 Steve Walker

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Posted 10 January 2019 - 12:38 AM

Those Asian carp have done in America what every species that gets loose in Australia seems to do. Which is surprising, I guess, when you consider how vicious the wildlife is!

#7 chesters1

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Posted 10 January 2019 - 06:39 AM

It seems strange we empty the seas of plancton to feed animals yet ignore a vast supply of protein in those carp !?!
Or perhaps catch them and send to OZ theyre 2/3rds asian they would feel at home

Edited by chesters1, 10 January 2019 - 06:42 AM.

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#8 Martin56

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Posted 11 January 2019 - 11:16 PM

All,

 

Sometimes I think we could use a little help 

 

 

silver-carp-jumping-fox-river.jpg

 

 

Phone

You don't need a little help mate - you need a bigger Net!!   :cc_surrender:


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#9 Ken L

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Posted 12 January 2019 - 10:14 AM

Between the effects of fish kills caused by farming runoff, environmental destruction by carp and thermal pollution from dams are resulting in cod having a really hard time of it.

Species caught in 2019: Pike. Bream. Tench. Chub. Common Carp. European Eel.

Species caught in 2018: Perch. Bream. Rainbow Trout. Brown Trout. Chub. Roach. Carp. European Eel.
Species caught in 2017: Siamese carp. Striped catfish. Rohu. Mekong catfish. Amazon red tail catfish. Arapaima.  Black Minnow Shark. Perch. Chub. Brown Trout. Pike. Bream. Roach. Rudd. Bleak. Common Carp.
Species caught in 2016: Siamese carp. Jullien's golden carp. Striped catfish. Mekong catfish. Amazon red tail catfish. Arapaima. Alligator gar. Rohu. Black Minnow Shark. Roach, Bream, Perch, Ballan Wrasse. Rudd. Common Carp. Pike. Zander. Chub. Bleak.
Species caught in 2015: Brown Trout. Roach. Bream. Terrapin. Eel. Barbel. Pike. Chub. 
Species caught in 2014: Striped catfish. Pacu. Giant gourami. Clown knife fish. Rohu. Siamese carp. Amazon red tail catfish. Arapaima. Roach. Bream. Perch. Rainbow trout. Chub. Common Carp, Ide. Brown Trout. Barbel. Mekong catfish. Jullien's golden carp. Alligator gar. Java barb.
Species caught in 2013: Mangrove Jack. Barramundi. Blubberlip snapper. Baracouda. Malabar grouper. Yellowfin Trevally. Chub. Brown Trout. Perch. Roach. Pike. European Eel. Bleak.
Species caught in 2012: Northern whiting. Moray eel. Barramundi. Snakehead murrel. Silver razorbelly minnow. Deccan Mahseer. Malabar mystus. Deccan rita. Spotted Malabar Grouper. Mangrove Jack. Indian sea catfish. Brown Trout. Chub. Perch. Roach. Rudd.
Species caught in 2011: Indian sea catfish. Sardine. Barramundi. Mangrove Jack. Deccan Mahseer. Record Humpbacked Mahseer. Yellow Fin Trevelly. Giant Trevelly. Chub. Brown Trout. Perch. Pike. Atlantic salmon. Dace. Minnow. Roach. Gudgeon. 
Species caught in 2010: Barramundi. Giant Trevelly. Moray eel. Indian sea catfish. Mangrove Jack. Deccan Mahseer. Humpback Mahseer. Chub. Brown Trout. Perch. Bass. Pike. 
Species caught in 2009: Chub. Perch. Pike. Pacu. Thai Striped Catfish. 
Species caught in 2008: Barramundi. p-i-k-e-y sea bream. Indian sea catfish. Guitarfish. Mangrove Jack. Mahseer. Squid (Not strictly a fish but it took a lure !). Emperor Sweetlip. Black Spot Snapper. Moray eel. Spangled Emperor. Bluecheek silver grunt. Yellow striped emperor. Vanikoro sweeper. Pike. Perch. Brown trout. Chub. Atlantic salmon.


#10 Vagabond

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Posted 13 January 2019 - 05:45 PM

Fished the Darling some years ago hoping for a Murray Cod.   My heart sank as soon as I saw the colour of the river  - a thick milky yellow, just like the colour of commercial carp puddles.   Sure enough it was a carp a chuck and nothing else until I found a clear water tributary - still no Murray Cod (too small a stream ?) but I did get a rare Trout Cod from it and a few other Australian percids.

 

The fish deaths reported do not surprise me, and one could predict that the Australian native fish would succumb to the lowered oxygen levels before the carp.

 

An ironic coincidence is that the original stockings of carp were alleged to be done under the auspices of a chap by surname Pratt


Edited by Vagabond, 13 January 2019 - 05:47 PM.



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