Lysmata Vittata - infection/diatoms?

Lysmata Vittata - infection/diatoms?

Postby chris melb » Thu May 05, 2016 2:46 am

Hi All,

After some advice as to what is happening to my larvae. From day 14 (post hatch) I noticed what appear to be blood spots/infections? And today (32 DPH) when I looked at them under a scope I can see what I think are diatoms spiked into the larvae? (pics below). Are what im seeing actually blood spots from wounds, infection or something else altogether (e.g. pigmentation)? Also can someone confirm whether infact I’m correct in assuming that the brown non motile pointy objects are some sort of diatom? Larave appeared listless during this period. As an update, the entire batch didn’t make it even though some managed to metamorphize into adult shrimp.
Any advice greatly appreciated.
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Cheers,

Chris
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Re: Lysmata Vittata - infection/diatoms?

Postby Luis A M » Thu May 05, 2016 12:56 pm

I am not sure but they look very much like diatoms.And the red spots like pigmentation,though it could also be a fungal growth :?
Luis
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Re: Lysmata Vittata - infection/diatoms?

Postby chris melb » Fri May 06, 2016 6:27 am

Thanks for the speedy reply and info Luis. Just getting back into breeding so am a bit rusty. Forgot just how hard aquaculture can be at times.
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