brakish shrimp die in freshwater

[wormsburp]

I just wanted to document that I killed a bunch of brakish shrimp
trying to acclimate them to freshwater. I feel bad.

I setup a drip line from an established tank, to slowly adjust the
salinity and pH. After letting this run for 16 hours and reducing the
salinity to 10% of original concentration, I netted the survivors
(about half) and put them in the tank. Within hours, all were dead.

I have read that 1) brakish fish generally acclimate well to both
freshwater and sal****er, and that 2) freshwater shrimp larva wash out
to sea, and the adults make their way back upwater.

>From these two points I ventured that I could perhaps acclimate the
little critters. Mabye I did something wrong, or perhaps it just can't
be done, but in either case they are dead.

Be warned.

[Rocco Moretti]

wormsburp wrote:
> I just wanted to document that I killed a bunch of brakish shrimp
> trying to acclimate them to freshwater. I feel bad.

What species were they? (Effect of fresh/salt water varies depending on
species.)

[wormsburp]

I don't actually know. I caught them wild while I was camping a couple
of hours from home. I thought this would be a factor, but I didn't know
how much.

[Rocco Moretti]

wormsburp wrote:
> I don't actually know. I caught them wild while I was camping a couple
> of hours from home. I thought this would be a factor, but I didn't know
> how much.

If you still have the dead shrimp, Mustafa Uncozler may be interested in
identifying them (go to http://www.petshrimp.com/). At the very least he
might have suggestions on how to keep any future shrimp alive.

P.S. It probably would help to mention where "home" is. Shrimp vary
widely around the world, so those caught in Florida would be different
from those in Hawaii, which are very different from those in Malaysia.

[[email protected]]

Please dont do that again... I mean getting wild animals. Enjoy them
living in the wild.

[Elaine T]

wormsburp wrote:
> I just wanted to document that I killed a bunch of brakish shrimp
> trying to acclimate them to freshwater. I feel bad.
>
> I setup a drip line from an established tank, to slowly adjust the
> salinity and pH. After letting this run for 16 hours and reducing the
> salinity to 10% of original concentration, I netted the survivors
> (about half) and put them in the tank. Within hours, all were dead.
>
> I have read that 1) brakish fish generally acclimate well to both
> freshwater and sal****er, and that 2) freshwater shrimp larva wash out
> to sea, and the adults make their way back upwater.
>
>>From these two points I ventured that I could perhaps acclimate the
> little critters. Mabye I did something wrong, or perhaps it just can't
> be done, but in either case they are dead.
>
> Be warned.
>
16 hours seems awfully fast for a 90% reduction in salinity. When I add
salt to fishtanks, I gradually remove it with water changes over a
full week.

--
Elaine T __
http://eethomp.com/fish.html <'__><
rec.aquaria.* FAQ http://faq.thekrib.com

[Elaine T]

wrote:
> Please dont do that again... I mean getting wild animals. Enjoy them
> living in the wild.
>
Where do you think many of the fish in our hobby come from? Off the top
of my head, cardinals, clown loaches, bala sharks (nearly extinct from
overfishing), some cories and many loricariid catfish are still mostly
wild-caught. And that's only in freshwater.

--
Elaine T __
http://eethomp.com/fish.html <'__><
rec.aquaria.* FAQ http://faq.thekrib.com

[Mean_Chlorine]

Thusly "glenner003" > Spake Unto All:

>Some species are more tolerant than others, but 16 hours is way to fast!

Well... Fish are as a rule far more tolerant of varying salinity than
invertebrates; odds are these shrimp will never survive in freshwater,
regardless of the acklimatization.

[Elaine T]

~Roy~ wrote:
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> ==============================================
> Put some color in your cheeks...garden naked!
>
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>
>
> "~Roy~" > wrote in message
> ...
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plonk

--
Elaine T __
http://eethomp.com/fish.html <'__><
rec.aquaria.* FAQ http://faq.thekrib.com