how do you purchase your shrimp - The Planted Tank Forum
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post #1 of 25 (permalink) Old 01-28-2013, 05:59 AM Thread Starter
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how do you purchase your shrimp

just wondering, when you guys go to buy your shrimp do you ask for the younger shrimp? i went to a lfs today and saw that they had some really young ones probably less than a few weeks old and wasn't sure if it was the best idea to get them that young. would it be smarter to buy those rather than the older ones?
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post #2 of 25 (permalink) Old 01-28-2013, 06:17 AM
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Juvies ship better so majority of the time that's what you get when you order online or buy from people on here. You check pics of the adults so you know what you will be getting down the road.
At a store, I'd probably go for adults or sub adults because it would be really hard to judge what a juvenile shrimp will turn into as an adult...quality-wise that is unless they were born at the store and you can see by the adults they have what kinda shrimp you may end-up with.

Of course, if that doesn't matter, then get whatever.

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post #3 of 25 (permalink) Old 01-28-2013, 07:40 AM
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young shrimp adjust better to new water. You want shrimp in the 1/4-1/2 inch range, not smaller than that
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post #4 of 25 (permalink) Old 01-28-2013, 03:28 PM
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Has anyone actually shown that young shrimp adapt better? I've never lost a shrimp acclimating no matter how old. I always thought it was a bit of a myth so that sellers can sell their young ones instead of mature breeders.
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post #5 of 25 (permalink) Old 01-28-2013, 03:37 PM
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Nope smaller ones do adapt better. They have not been in one condition theri whole life then shifted toanother completely new one. Where Juvis can grow in the water they will be put in and adapt over time to it

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post #6 of 25 (permalink) Old 01-28-2013, 03:38 PM
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How do you know how old they are? And have you acclimated thousands of shrimp of different ages to know this or just going off a small sample?

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post #7 of 25 (permalink) Old 01-28-2013, 03:57 PM
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Quote:
Originally Posted by GeToChKn View Post
How do you know how old they are? And have you acclimated thousands of shrimp of different ages to know this or just going off a small sample?
Small sample and I base their age on the fact that they're fully grown size wise. Do you actually have a thought on the issue or are you just challenging me for the fun of it? It's just a question, chill.
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post #8 of 25 (permalink) Old 01-28-2013, 04:06 PM
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I have probably acclimated 1000 shrimp never had one die in acclimation other than a mistake on my part. But I can tell you the Juvis color up quicker and are out and about more right when you put them in the new tank. It is just like people, if you lived since birth at sea level then moved at 40 to CO at a mile high you would have a hard time dealing with the thinner air. But if you were 6 at sea level then moved to CO and gre up in it you would never know the difference

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post #9 of 25 (permalink) Old 01-28-2013, 04:15 PM
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My experience:

Adult shrimp will do just fine if you match your source water as best as possible. Plus side to getting adults is that they will breed right away for you and you can pick and choose sex.

Juvis to sub adult shrimp do best when adjusting to tanks with slightly different water params. However, these shrimp are near impossible to sex.

The key in any case is to do proper drip acclimation for all new shrimp. This lessens the potential shock that ultimately leads to death.
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post #10 of 25 (permalink) Old 01-28-2013, 04:48 PM
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Quote:
Originally Posted by PuddlesAqua View Post
Has anyone actually shown that young shrimp adapt better? I've never lost a shrimp acclimating no matter how old. I always thought it was a bit of a myth so that sellers can sell their young ones instead of mature breeders.
Well adjusting better isn't the only reason you want to buy juvies.

For one, when you buy an adult, you have no idea how long it has left to live. It could be 16 months old or 10 months old. Who wants to buy a shrimp that is going to die in a few months.

Next, just because you received an adult, doesn't mean it will start breeding right away. Most times adjusting to water is stressful, and shrimp aren't likely to breed when they're stressed out. It usually takes around a month, sometimes longer, for shrimp to adjust to my water and start breeding.

Also if someone asks me for adults, as a breeder I'm more than happy to oblige them! It means I can get rid of old stock that may die soon of old age anyway, but I also tell the buyer that, and they usually change their mind Or ask for a mix of ages .
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post #11 of 25 (permalink) Old 01-28-2013, 04:56 PM
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I think I'm the only person who has had better luck with adults and subadults adapting than juvies. With OEBTs I had subadults, fully mature adults and juvies shipped in and lost many juvies in the first couple of days while the adults and subadults did fine. Then I got a batch of CRS and CBS in and lost, gosh, 4 or 5 and all that died were small juvies (this was over many weeks, not right off the bat, I tend to do 4-5 hour drip acclimations on my shrimp). The older ones have done much better for me. My experience isn't as vast as some of the other posters but wanted to add in what I HAVE experienced
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post #12 of 25 (permalink) Old 01-28-2013, 05:22 PM
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Adults will be fine, just as long as they aren't senior citizen shrimp lol. I've kept adult stock straight from my overseas breeders for over 6months and they've been doing nothing but breed back to back for me.

There's other variables at play when dealing with shrimp deaths that we have to consider. It's not just one thing. ie Maybe these shrimp are genetically weaker as well. Most shrimp have been inbred for so long, they are super weak and will die even if you look at it the wrong way. Sometimes, you won't know until you've experienced it yourself.

The best thing for any shrimp keeper to do is to dial in your water params as best as possible to the source water for highest survivability rate.
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post #13 of 25 (permalink) Old 01-28-2013, 11:55 PM
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I like to ship shrimp from 1/4" to 1/2" myself and prefer to receive them myself the same age. Many shrimp "NOT ALL" take a few months to acclimate and feel comfortable in a tank to start breeding. If you get them smaller in a few months they will be prime breeding age. Just my thought, here is a link on the subject.
http://www.planetinverts.com/Why%20S...%20Shrimp.html
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post #14 of 25 (permalink) Old 01-29-2013, 12:38 AM
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I think these are important notes to make.

Buying juvenile shrimp does give you a better sense of their age and allows you to keep them longer.

I also find that juvies adjust better to different water parameters because they're molting and growing more quickly than an adult.

Unless you're buying a $1,000 shrimp or want to know 100% what the shrimp's absolute coloration will be, I'd stick with juvies because of the added insurance of flexibility. I only buy adults when I want a specific gender for breeding purposes or when I have no other choice in the matter.

Quote:
Originally Posted by mordalphus View Post
Well adjusting better isn't the only reason you want to buy juvies.

For one, when you buy an adult, you have no idea how long it has left to live. It could be 16 months old or 10 months old. Who wants to buy a shrimp that is going to die in a few months.

Next, just because you received an adult, doesn't mean it will start breeding right away. Most times adjusting to water is stressful, and shrimp aren't likely to breed when they're stressed out. It usually takes around a month, sometimes longer, for shrimp to adjust to my water and start breeding.

Also if someone asks me for adults, as a breeder I'm more than happy to oblige them! It means I can get rid of old stock that may die soon of old age anyway, but I also tell the buyer that, and they usually change their mind Or ask for a mix of ages .
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post #15 of 25 (permalink) Old 01-29-2013, 12:46 AM
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Yepper. Jake hit the nail on the head. Not much more to add to that.

Quote:
Originally Posted by somewhatshocked View Post
I think these are important notes to make.

Buying juvenile shrimp does give you a better sense of their age and allows you to keep them longer.

I also find that juvies adjust better to different water parameters because they're molting and growing more quickly than an adult.

Unless you're buying a $1,000 shrimp or want to know 100% what the shrimp's absolute coloration will be, I'd stick with juvies because of the added insurance of flexibility. I only buy adults when I want a specific gender for breeding purposes or when I have no other choice in the matter.

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