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Topic Review (Newest First)
01-20-2013 12:36 AM
auban short video of me looking at a ghost shrimp at 1000x. my camera is pretty crappy, but its all i have at the moment. i plan on getting another one soon.

http://s1242.beta.photobucket.com/us...R-C-1.mp4.html
01-18-2013 03:59 PM
Soothing Shrimp So we know it is possible to have a red ghost shrimp.
01-18-2013 03:19 PM
whiptail Thanks. Interesting pics. Please keep them coming.
01-18-2013 11:05 AM
auban feeder ghost shrimp from the local pet store.






the last two were at 1000x. they didnt want to play nice so i had to drug one to get pics. i think it will recover...
01-14-2013 04:35 PM
HybridHerp this is SICK
can you do this with pygmy cories or something? I'd love to see scale details now and stuff.
01-14-2013 04:26 AM
auban still working on getting other shrimp. all i have is amanos and cherry shrimp at the moment.
01-14-2013 03:57 AM
LyzzaRyzz Oh. My! Those are beautiful shots! Thank you! Have you dont other colored shrimp? Ghost shrimp?
01-11-2013 07:57 PM
auban some of the yellow pigments look like they are part of the red chromatophores, and this has been an issue that has been bugging me. in thinking about it, it occurred to me that the yellow portions could be new growth of the red chromatophores. it got me thinking that it might turn red after the shrimp milts. it seems that the red portions might grow between molts and expand after a molt. this doesn't explain the chromatophores that are well developed but remain yellow, but it makes sense for the yellow present in the red chromatophores. ill isolate one of the shrimps, wait until it milts, and see kid the yellow fringes turn red.
01-11-2013 06:39 PM
antbug Very cool! Thanks for sharing
01-11-2013 06:29 PM
jemminnifener How are you getting these pictures! Would be interested in knowing your procedure for getting the shrimp still, setting up the microscope, and taking pictures.
01-11-2013 02:26 PM
speedie408 You're doing exactly what I've always wanted to do. Thanks for sharing sir.

Awesome stuff! Keep em coming.
01-11-2013 02:18 PM
Soothing Shrimp Amazing. Simply amazing!
01-11-2013 09:54 AM
auban its obvious that the chromatophores grow larger with age, longer branches, etc, however they seem to have different growth patterns. also, the difference between some of my shrimp that are of similar size but different color is the number of chromatophores.
01-11-2013 09:49 AM
auban here are some close ups of the cherry shrimp. unfortunately, the best colored one wouldnt hold still long enough for me to take a closer shot, but you can still see the difference.

a few pics of one of the better colored shrimp:




this is one of the less colorful shrimp. i tried to get enough detail to show the difference between the chromatophores. although it looks like the yellow and red are two parts of the same chromatophore, they have different qualities. i have seen some red ones that start out growing red, although it looks like most start out an oranges color, turn red later on then start spreading. im not sure whether the pigment itself is different or if it is just a different quality of the chromatophore that causes them to show different colors. i have seen both colors as lone chromatophores, but they usually occur together, with one appearing to be on top of the other. it seems that yellow is deeper in the skin than red.




01-10-2013 07:42 PM
auban I basically just put them in a small clear container with water. eventually they calm down and I get a chance to take a pic. the hardest part was getting the pic at high magnification...

ill see if I can get some pics of my cherry shrimp later tonight.

I would love to find a wild type shrimp that is easy to breed. then I could look at them and see what pigments they have. my guess is that there is a gene for each pigment. when a mutation occurs, it modifies or eliminates one. depending on how they are affected, you could have different
mutations that produce the same overall color. this would explain why shrimp genetics can get so confusing. one shrimp may have a mutation for large red chromatophores while a other has a mutation on every other color that eliminates them. the end result could look the same, but breeding the two would restore the eliminated pigments in one and return the red to normal size in the other. it would end up looking like they returned to wild type while being het for both types of mutation sets.
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