Siamese Tiger fish...

Yes it is a brackish fish (it can be in freshwater but prefers brackish). They can be a bit tricky to find tankmates for due to their adult size. If I remember correctly they get around a foot long and have HUGE mouths! Any of the larger fish that can remain in brackish their whole lives are ideal (Monos and Scats are out since they need saltwater as adults). You could try Green Spot Puffer, Archers, and a few others but you have to be careful with what fish that won't become dinner. They can handle mid range brackish up to about 1.012 if I remember correctly. I will have to go back and do some research to verify. Also check out www.wetwebmedia.com It is run by Robert Fenner and he has some good info on them. Good luck with whatever you decide!
 
Ive seen these fish in their natural environment - petchaburi river (south of bangkok) in thailand. The part of the river was about 100k from the nearest (2)oceans. this obviously means they can tolorate freshwater, but bear in mind that the siamese tiger fish that i saw were juviniles - perhaps they only spend the begining of their life cycle in freshwater before moving downstream to the estury. hope this helps.
 
Coius campbelli, New Guinea Tigerfish & Coius quadrifasciatus, Silver Tigerfish can tolerate more salt than the other Tigerfish. But they all can go brackish.

Coius microlepis, Siamese Tiger Medium stripes
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Datnioides pulcher, Cambodia Tiger Thick Stripes
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Datnioides undecimradiatus, North Thialand Tiger. Thin Stripes
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Indonesia Tigerfish
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More info here
[urlhttp://www.arofanatics.com/forums/showthread.php?p=2858374#post2858374[/url]


I had a Silver Tiger (known as an American Tiger or AT over where they come from in Asia, I asked why, no one knew.) and I also had a NTT North Thialand Tiger.
They both did well in my tank. My SG would range from 1.005 to 1.018 though the year. The high salt didn't effect them, at least I didn't see any change in behavior or condition.
The NTT died when it mistakenly sucked a Neovespicula depressifrons, Leaf goblinfish in when trying to get a peice of krill.
The Leaf Goblinfish (1") swam up to the peice right when it was floating in front of the NTT's cave. It sucked both into its mouth, then spit out the Leaf Goblinfish. Then blood start coming out from its gills. Then it started breathing harder and rushed out of the cave and started swimming weird and then died. All under 60 seconds. All its fins were erect like it cramped up.
I did have BBG living with the tigers at first but then they started disappearing. I found out the Leaf Goblinfish were eating them. They would share the cave.

One day I saw a BBG sitting on top of the tiger while it was in the cave. I wished I had a camera to take a picture of it. :( The tigers were smaller at the time about 2.5" to 3".
 
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Here is a Thread from a forum that talks about tigerfish regularly. It is located in Signapore at least I think it is since most of the members are from there.
http://www.arofanatics.com/forums/showthread.php?t=151443&page=1&pp=10

TAIL PATTERNs

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New Guinea Tiger ~ NGT

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Siamese Tiger ~ ST {Some refer to this as CambodianTiger ~CT }

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Indonesian Tiger ~ IT

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Northen Thailand Tiger ~ NTT {also known as Thin Stripped Tiger}

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American Tiger ~ AT {also known as American Tiger or Silver Tiger}
 
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