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Old 07-22-2015, 08:45 PM   #1
megumz
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Mystery Shrimp


Can anyone help identify these shrimp? They were bought from a pet store as feeder shrimp, but they look a bit more exotic (to me). One is a pregnant female that is a deep blue color, and the other one is a little lighter. Their eyes are are yellowish. I have attached a few pictures but they don't really show how the vibrant the color is. They were kept in an aquarium with blue rocks and blue lighting so we were also wondering if they possibly changed color or something? Anyway, please leave any comments below. Thank you
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Old 07-22-2015, 09:10 PM   #2
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The last picture looks like a blue amano shrimp, but other then that I have NO idea.
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Old 07-22-2015, 09:36 PM   #3
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Seems that the female is an OEBT or an orange eye blue tiger. The smaller one could be one too, but it looks more like an overgrown blue pearl.
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Old 07-22-2015, 10:06 PM   #4
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OEBT cull?
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Old 07-22-2015, 10:22 PM   #5
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That's what I think
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Old 07-23-2015, 12:28 AM   #6
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I also had the same result by crossing a Blue diamond with a chocolate cherry
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Old 07-23-2015, 05:05 PM   #7
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Haha I just got showed up by a couple shrimp enthusiasts, how much do those guys usually sell for? Cuz they don't look like feeder shrimp.
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Old 07-23-2015, 05:18 PM   #8
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Those are probably culls, but I'd say they're better quality than what you'd usually use as feeder shrimp. I'd say you might be able to get $1-$2 each for them, depending on what's available in the area.
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Old 07-23-2015, 05:39 PM   #9
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Neocaridina davidi (which cherries were developed from) have been sold for several decades at least as feeder shrimp in Hawaii. They're widely invasive in freshwaters on Oahu and probably elsewhere. It's possible some other species of Neocaridina have gotten into the mix due to aquarists in recent years, but I'd be surprised if this weren't just natural color variability within the species.

You could try selectively breeding the bluer ones and making your own strain.
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Old 07-23-2015, 06:28 PM   #10
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blue diamond shrimp.
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Old 07-23-2015, 08:30 PM   #11
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I see a cool breeding experiment coming...
Sounds like it could be fun to keep them and see how they grow/breed. Enjoy the anticipation! Let us know if you get babies.
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Old 07-23-2015, 11:41 PM   #12
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They're wild neocaridina. From what I understand the ones in Hawaiian streams change color to blue for some reason. They'll probably turn brown in a couple weeks.
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Old 07-28-2015, 10:35 PM   #13
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UPDATE:

They were brown by the next day we came to work. Totally forgot to update because they killed everything in my friends tank, including 5 Cherry red shrimp... Which are very expensive and hard to get in Hawaii :'( Thanks for your input everyone! It was very helpful. Will post pics of the shrimp soon. They're quite ugly now. Definitely were blue because of the gravel in their old tank.
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Old 07-28-2015, 10:40 PM   #14
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Quote:
Originally Posted by megumz View Post
UPDATE:

They were brown by the next day we came to work. Totally forgot to update because they killed everything in my friends tank, including 5 Cherry red shrimp... Which are very expensive and hard to get in Hawaii :'( Thanks for your input everyone! It was very helpful. Will post pics of the shrimp soon. They're quite ugly now. Definitely were blue because of the gravel in their old tank.
Are you sure about that? Usually shrimps are not that agressive even the Macrobachium.

Yes, I understand that, same problem here in New Caledonia...
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Old 07-28-2015, 11:34 PM   #15
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@Matuva Actually, we don't know.. They were all doing perfectly fine for a few months but as soon as the "mystery shrimp" were introduced 5/6 were dead over the weekend. Thought it might be the water parameters but all of the other shrimp were alive besides the 1 red cherry and the rest of the mystery shrimp...
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