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Old 09-09-2014, 12:08 AM   #1
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Distinguishing between Neocaridina sp and Caridina sp

I had been offered what supposedly looked like yellow shrimps and blue velvet. However, the blues have some uncanny markings on their body[actually looks good to me].
I got them real cheap(@ < $1.00 ea or its equivalent in my currency), however the downside is, the seller had no clue if they were neocaridina or Caridina or both. Since I did not want to miss on this deal I searched the net but did not find too many posts for my education.

So question is, can anybody tell me how to differentiate between the 2 genre by visual appearance[I've never had Caridina]?

P.S. I tried to take a pic, however the crits are <1/2 in. and my cam does not have macro lens. Pics came out real bad so I ditched the idea.

Thanks.

Update:
I finally managed take a few pics. While its not of stunning clarity, it should help.
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Old 09-09-2014, 12:03 PM   #2
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Can't help you with identification (pretty new to shrimp myself), but eager to hear a response. On the other hand you have a bunch of females on the blue side and two of them are berried! Congrats. They dont look fully mature, so there is always the chance they drop them, but fingers crossed!
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Old 09-09-2014, 12:43 PM   #3
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I'd separate them to be safe. If they are the same specie they will inter breed and the shrimplets will be brown/gray


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Old 09-09-2014, 01:16 PM   #4
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Thanks for your response. Actually there are 3 blues and about 4 yellows that are berried.

Anybody has any idea which genre they are?
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Old 09-09-2014, 02:55 PM   #5
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They look like neos to me. Blue velvet, orange and yellow. They look orange to me in the pictures so I said both.

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Old 09-09-2014, 02:57 PM   #6
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I was going to say neo, but did not want to give false info when it will have pretty severe consequences.


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Old 09-09-2014, 03:00 PM   #7
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I don't have a chart in front of me but Caridina I don't believe has a orange except maybe tigers but they have different markings. As far as blue go they are usually deeper in color or striped or something along those lines.

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Old 09-09-2014, 03:01 PM   #8
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Ya cardia tigers are orange but have black/grayish spots IME.


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Old 09-09-2014, 03:07 PM   #9
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I'm pretty sure they are neos and need to be separated. I'd take the holding females to another tank or container to have the shrimplets and move the moms back with their color morphs. As the shrimp grow put them with what color they gap to or feed them off.

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Old 09-09-2014, 05:08 PM   #10
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I have a 10g that I had put on hold since I had not yet thought of a scape. Might have to use that as a last option since I do not want to keep those in a trough for the rest of their lives.
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