CRS grading - The Planted Tank Forum

 
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post #1 of 11 (permalink) Old 02-08-2013, 04:42 AM Thread Starter
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Smile CRS grading

how does the grading work for crystal shrimps?
also are they the same as bumble bee shrimps?
cause they look the same... haha
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post #2 of 11 (permalink) Old 02-08-2013, 04:48 AM
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PlanetInverts has a grading chart.
http://www.planetinverts.com/crystal...g%20guide.html
There are 2 specific grading options in that page. And yes, they are just a different color.

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post #3 of 11 (permalink) Old 02-08-2013, 04:50 AM
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Quote:
Originally Posted by AquaticStory View Post
PlanetInverts has a grading chart. I'm on iPod so it takes me
awhile to link it. :/
.....
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post #4 of 11 (permalink) Old 02-08-2013, 04:53 AM
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Originally Posted by pmcarbrey View Post
.....
This also works too. The other one has "better" images though.
XD

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post #5 of 11 (permalink) Old 02-08-2013, 06:08 AM Thread Starter
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ohh okay! thank you!
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post #6 of 11 (permalink) Old 02-09-2013, 01:17 AM
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this is grading based on patterns...what about grading based on colorations like in Japans grading system? can i say i have a SS pattern with a S coloration for example?
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post #7 of 11 (permalink) Old 02-09-2013, 01:26 AM
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Originally Posted by Yamaz View Post
this is grading based on patterns...what about grading based on colorations like in Japans grading system? can i say i have a SS pattern with a S coloration for example?
Then you go by the lower grade if memory serves
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post #8 of 11 (permalink) Old 02-09-2013, 02:18 AM
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There is also the German grading system.

http://crystal-red.de/aussehen.htm


As for the PRL grading, it seems each PRL breeder has their own idea of what an SS or SSS or S colored shrimp is.

20g platy, , 2 x 10g shrimp, 3 x 20g shrimp, 7.5g shrimp and 1 great dane/mastiff puppy.

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My Tanks and my shrimps
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post #9 of 11 (permalink) Old 02-09-2013, 02:28 AM
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i think alot of it is based on the amount of white and how solid it is. but like its been said there are so many diff grading ideas out there it makes it hard
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post #10 of 11 (permalink) Old 02-09-2013, 03:13 AM Thread Starter
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i see.
do i need to cull them to keep them at a higher grade?
like how it is with PFRs?
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post #11 of 11 (permalink) Old 02-09-2013, 03:28 AM
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Originally Posted by Paulcm10 View Post
i see.
do i need to cull them to keep them at a higher grade?
like how it is with PFRs?
Cull or sepparate any shrimp of a lower grade, if possible pair up your highest grade males and females so that they will have more high grade babies.

PFR are a pain to grade, personally I shine a flashlight on them and set out any that seem more transparent, I can't tell much of a difference between PFR and lower grade juvies doing anything else, but I'm sure someone has another possibly better method
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