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Re:Breeding Journal, Species: Peppermint Shrimp (Lysmata boggessi)
Tuesday, January 24, 2012 7:14 AM
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 Originally Posted by r33fking
its interesting that your losing them within 2dph .
i dont think it has to do with food at all . the starvation time is much longer than that .
i would look into other other things i.e. water parameters , additives, physical damage ...
look into your amquel dosage , these larvae are sensitive to chemicals . i would not add amquel in the first few days these guys arent very dirty unless you have added un rinsed artemia or had alot of die off. just to rule it out .
i once did a iodide dose lover than recommended by manufacturer and lost a hundred + month old larvae .
is that clear cylinder one of those things for steaming vegetables or noodles? i love those i have accumulated a bunch of those over the years from second hand stores . they are great for fluidized beds , rotifer enrichment containers . Yeah, I have been using tap water (filtered with sediment and carbon pre-filters), but I have chloramines in my tap water so I have to use AmQuel to remove the resulting ammonia. I will try using my reef salt mix (RODI water and better quality salt lol) on my next batch of shrimp and will skip out on the AmQuel. I suppose we may not need ammonia control if we are doing large or 100% waterchanges daily. My cylinder is a homemade Zeovit reactor I had built out of cast acrylic. I never bothered to set it up for Zeovit, but am happy the darn expensive thing has a use now!  My shrimp are becoming predictable...eggs hatch, and one the second day after they are carrying eggs again. Essentially they only go one day without eggs. The eggs are hatching on the 10th day consistently as well. I like predictability! 
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Re:Breeding Journal, Species: Peppermint Shrimp (Lysmata boggessi)
Tuesday, January 31, 2012 8:49 PM
( permalink)
Well, there goes predictability...they were 11 days this time. Go figure! I collected about 40-50 this morning from a small shrimp. This is the first time I am using RODI as source water in the larvae vessel. I have been using tap water treated with AmQuel (to remove ammonia resulting from chloramines) in the past. I lost a small handful today...maybe 8-10? My BS eggs aren't hatching (prob too long decapped) so I am trying this batch strictly on frozen Cyclopeeze. I have been seeing the shrimp larvae hanging onto Cyclopeeze regularly where I never saw that with NHBBS. I just did a 75% waterchange. Since I am using frozen food I will siphon the bottom tomorrow morning and do a 100% waterchange tomorrow evening - if they are still alive.  I set the jug of waterchange water into the tank holding the larvae vessel so that the temp will match exactly.
<message edited by EasterEggs on Wednesday, February 1, 2012 9:34 AM>
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Re:Breeding Journal, Species: Peppermint Shrimp (Lysmata boggessi)
Friday, February 3, 2012 6:47 AM
( permalink)
Well, they are 4 DPH today which is twice as old as I have been able to get in recent tries! I switched to RODI water instead of tap, and it seems to be helping. I'm doing daily 100% waterchanges. I still have them on frozen Cyclopeeze. They like the Cyclopeeze though and it stays suspended in the water. With the 100% waterchanges it doesn't foul the water. When I did the waterchange lastnight I only counted 19 though. This batch is not developing evenly...some are smaller, and less developed. I should had a bigger batch expected this morning from a larger shrimp. That I was going to put into a 1 gallon fish bowl that I setup lastnight. This shrimp went 12 DPS today. However, the light fell off so they didn't get drawn into the larvae trap.  EDIT: Nevermind, they didn't hatch yet. Haha
<message edited by EasterEggs on Saturday, February 4, 2012 6:18 PM>
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Re:Breeding Journal, Species: Peppermint Shrimp (Lysmata boggessi)
Friday, February 3, 2012 6:49 AM
( permalink)
Congrats! Heck just a matter of time if you keep doubling up on your days
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Re:Breeding Journal, Species: Peppermint Shrimp (Lysmata boggessi)
Friday, February 3, 2012 6:51 AM
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Hehe, yeah thanks! I have heard rumor that Peppermint shrimp larvae have a 5 day starvation time though, so I guess I don't know how well they are doing yet. I can't find confirmation on that number though.
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Re:Breeding Journal, Species: Peppermint Shrimp (Lysmata boggessi)
Friday, February 3, 2012 7:21 AM
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I've just tried to always keep food available in some form. Sure "on average" some things might not "need" food for a day or two, but if there is always food for them to eat your early risers/growers can start munching down.
Water quality can be an issue of course, but if you're doing wc's every day can't be all that bad eh?
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Re:Breeding Journal, Species: Peppermint Shrimp (Lysmata boggessi)
Friday, February 3, 2012 8:49 PM
( permalink)
Yeah, I'm letting the Cyclopeeze settle in the mornings (turn off air) then siphon it out and feed fresh Cyclopeeze. In the evening I do 100% waterchange and add fresh Cyclopeeze. I think I only lost 1 today.
I have a larger shrimp that is carrying eggs that should hatch tonight. I'm going to put those larvae into a 1 gallon fishbowl and see how it goes in comparison.
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Re:Breeding Journal, Species: Peppermint Shrimp (Lysmata boggessi)
Wednesday, February 8, 2012 8:06 PM
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I had a big die-off on 8 dph which was yesterday - down to 10. I had 16 the day before. Today I can't actually see any in there, but I haven't done the daily waterchange/count yet. They may all be dead now. Hmm...got a lot further this time. On just Cyclopeeze. Interesting...
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Re:Breeding Journal, Species: Peppermint Shrimp (Lysmata boggessi)
Monday, February 13, 2012 9:35 PM
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^ Ok, so I guess that batch made it to 9 dph.
After reading Whys Alives journal on Sexy Shrimp, I noticed there was lots of talk about damaging the shrimp larvae by handling them via siphon or maybe even pipette. I'm wondering if that might be contributing to my deaths. What do you think?
I have just been slowly pouring the water out into a shallow tray and then pipette each larvae back into the culture vessel. So every single larvae is handled everyday. Also, in the mornings I siphoned the bottom of the vessel, and would siphon out a few larvae each morning which would be pipette'd back to the culture vessel. Now I think if it there were always a few deaths everyday. I wonder if those were the larvae that got siphoned out during the morning clean? Also now I think of it I siphoned the vessel out into the tray with a 1/2" hose a few times near the end of the life of my last batch...maybe that was the reason for the sudden die off over 24 hours?
I did 100% waterchanges everyday for the first time, didn't skip a day with the last batch. That was the first time I started using RODI water as source instead of treated tap water as well. So I'm still not sure if the waterchanges or the RODI were contributing any benefit. The water I am using has been mixing for several days, but is not cycled in any way, no ammonia detoxifiers added, just salt mix.
I got a hatch yesterday, so I have a new batch that are 2 dph. A bigger batch, but still only about 60ish? This new batch I'm going to do daily evening 50% waterchanges, morning bottom siphoning. Maybe the 100% changes are too harsh. The new batch is in a 2 gallon glass fish bowl "kriesel". Watching the water flow is interesting as the center of the tank has very still water and that's where most of the larvae hang out. It is much more difficult to keep the food in suspension though...it gets hung up on the bottom.
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Re:Breeding Journal, Species: Peppermint Shrimp (Lysmata boggessi)
Saturday, February 18, 2012 2:09 AM
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I haven't had time to read the whole thread just yet, but I'm following.
I can only tell you my own limited experience with Thor amboinensis, but I haven't had to worry too much about handling the larvae. I've picked the same one up with a pipette multiple times without any obvious harm. I've also siphoned one or two by accident, and I tell you, the things just keep ticking like nothing happened. Keeping the brine shrimp at proper density has been the far greater challenge for me, and I suspect gradual starvation of the larvae is why none yet have made it settlement.
They really are exceptionally helpless when it comes to feeding themselves.
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Re:Breeding Journal, Species: Peppermint Shrimp (Lysmata boggessi)
Saturday, February 18, 2012 7:27 AM
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I was thinking that I was damaging the larvae more from pouring the vessel into the tray than the pipette. With this last batch I am not removing the larvae from the vessel during waterchanges as I am just siphoning out 50% using a floating sieve to siphon out of to keep the larvae out of the siphon hose. I am not having any better luck this way. I am at 7 dph today and I think I've lost at least half (can't get a good count when I don't remove them all and pipette them singly.
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Re:Breeding Journal, Species: Peppermint Shrimp (Lysmata boggessi)
Thursday, February 23, 2012 7:10 AM
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My latest batch is 12 dph which is my new record. There are only 2 of them though. Haha. I guess it is possible that handling them less makes a difference then. I have been bottom siphoning once a day and then once a day I do a 50% waterchange by floating a sieve and siphoning out of the sieve so the shrimp larvae are not getting transferred with a pipette except for the odd one that gets siphoned out during the bottom siphoning.
I should be collecting another batch of larvae tonight. With this new batch I will continue the waterchange method. I would like to try to figure out a way to get BBS out without having to transfer the shrimp larvae so I can add BBS every second day so that I can have two food sources (BBS and frozen Cyclopeeze). Any ideas?
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Re:Breeding Journal, Species: Peppermint Shrimp (Lysmata boggessi)
Thursday, February 23, 2012 10:50 AM
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Sure. Use a mesh screen that BBS can fit thru and the larvae can't. Then attract the bbs to the other side with a bright pinpoint light source (led flashlight). Just an idea. Should work to a fair extent, but it does sound slow.
Congrats on 12 dph!
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Re:Breeding Journal, Species: Peppermint Shrimp (Lysmata boggessi)
Thursday, February 23, 2012 8:57 PM
( permalink)
Thanks! Yeah, that's the only idea I've come up with, but I don't have a sieve that size (400 micron? 600 micron?) nor any mesh. Hmm...I wonder if window screening would work - that should be about the right size I would think. Maybe a tad too small. Well the two are still kickin tonight. They are finally old enough that they look bigger now. LOL.
On the other hand, I lost one of my adult shrimp today...not sure why. They were due to spawn about 5 days ago, but didn't. Maybe nitrate? It is about 40 ppm I think. I am working on lowering nitrate.
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Re:Breeding Journal, Species: Peppermint Shrimp (Lysmata boggessi)
Thursday, February 23, 2012 9:26 PM
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i had just lost one of my adult F2 shrimp last night . i think high No3 is the culprit as well mine is 40ppm +
i ran out of salt and am waiting for my half pallet to arrive .
sucks
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Re:Breeding Journal, Species: Peppermint Shrimp (Lysmata boggessi)
Thursday, February 23, 2012 11:10 PM
( permalink)
Originally Posted by r33fking
i had just lost one of my adult F2 shrimp last night . i think high No3 is the culprit as well mine is 40ppm +
i ran out of salt and am waiting for my half pallet to arrive .
sucks
I've so been there. Seems like the little things are the ones that get in the way and nearly bring things to a halt. Of course, procrastination on my part never helps. I can always order the salt tomorrow... :] I quote myself. Link
Originally Posted by Whys Alives Amazon has a great selection of micron meshes to choose from. They come in polypropylene, nylon, and polyester. I chose nylon for its strength and resistance to deformity. Note: polypropylene is buoyant in fresh water. I don't know the size of your larvae, but you'll want as large of a micron opening as is safe. For Thor amboinensis I use 420 micron mesh, but Amazon carries it in nearly every size imaginable.
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Re:Breeding Journal, Species: Peppermint Shrimp (Lysmata boggessi)
Friday, February 24, 2012 11:24 AM
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Thanks Ryan! I will probably end up ordering from Amazon as it seems to be the only place really... the prices seem ok.
I collected the biggest batch to date this morning...I will try to get some sort of a count tonight, but I'm going to say around 200-250 larvae. This morning I couldn't find the two left in the (now) 13 dph batch, so I put the new larvae in that bowl. If the older larvae are in fact still in there they should be fine. The new batch is too crowded in the 2 gallon bowl though, so tonight I will move 1/3 of them to a 1 gallon bowl. This will be interesting because then I can try an experiment with the split batch. I've never had a batch big enough to split.
I guess I have to get that nitrate down in the broodstock system. I just mixed up a bunch of new saltwater yesterday so I can do a big waterchange today.
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Re:Breeding Journal, Species: Peppermint Shrimp (Lysmata boggessi)
Saturday, February 25, 2012 4:45 PM
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Ok, well there could be over 300 in the latest batch that is now 2 dph. No noticeable die-off yet. I will have to be very careful about water quality I'm sure as I think they are more crowded than they should be. They are about 100 per gallon right now if my estimate is any good. Interestingly, I just fed the vessels frozen Cyclopeeze and was observing the larvae feeding and I noticed that the two from the previous batch are still in the vessel! They really aren't much bigger, but I can tell them apart because they have longer eye stalks and more legs/swimmers. So those two are 14 dph today! Woohoo!
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Re:Breeding Journal, Species: Peppermint Shrimp (Lysmata boggessi)
Saturday, March 3, 2012 4:22 PM
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Updates?
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Re:Breeding Journal, Species: Peppermint Shrimp (Lysmata boggessi)
Saturday, March 3, 2012 5:08 PM
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The population has severely declined. There are still many of them, but definitely not 300 anymore. Maybe 100 between the two vessels. I started feeding some live BBS a couple times per week, but mainly still just using frozen Cyclopeeze. They are 9 dph today. I don't think those oldest two are in there anymore...
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