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4 replies to this topic

#1 In between tanks

In between tanks
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  • Joined: 26-October 15
  • Location: Jane brook

Posted 15 January 2016 - 02:26 PM

Does anyone know what those small fish in the swan river, creeks and lakes are they r everywhere
Have no pictures on me sorry

#2 malawiman85

malawiman85
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  • Location: Geraldton

Posted 15 January 2016 - 02:46 PM

Mosquito fish - Gambusia holbrooki.
They are bastards!
Not native in case you were wondering.

#3 In between tanks

In between tanks
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Posted 15 January 2016 - 02:56 PM

Ok thanks
I thought they were native coz so many how r they affecting the natives
Do bream and all that eat them

#4 malawiman85

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Posted 15 January 2016 - 03:04 PM

They eat larvae and native fry. They are super aggressive and out compete natives for resources.
Bigger Bream definitly eat them, no doubt about that.

#5 malawiman85

malawiman85
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Posted 17 January 2016 - 10:55 AM

Bit of an after thought but check the following link if you have even a passing interest in WA South West native fish: http://www.freshwate...ater-fishes.php
Other than what is referenced in the link there are another two estuarine species worth noting, if for no other reason than they are quite commonly seen in Swan, Canning, Moore and the rivers south of Perth:
Swan River Goby - Pseudogobius olorum
Western Hardy Head -Leptatherina wallacei




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