Dinoflagellates.

Anyone care to ID this little creature? His stomach appears to be filled with dino seeds
<iframe width="854" height="480" src="https://www.youtube.com/embed/ej0SNUDN12Y?rel=0" frameborder="0" allowfullscreen></iframe>
 
I used an oversize UV and extra skimming - "the clean method"

That's what worked for me. BUT I also infused thousands of pods into the system.
 
How big is the organism? It looks like a flatworm of some type, but I don't have a lot of confidence in my id skills.
 
He looks like he is filled with dinos. He is very very small and very fast. Barely visible to the naked eye. I'd say he is the size of a tiny dust particle.
 
seamonster124 said:
Anyone care to ID this little creature? His stomach appears to be filled with dino seeds

I've really been enjoying your microscope pics. I had a super long guess written up for your last batch but RC crashed when I tried to hit submit.

I think you have an Acoel flatworm there, maybe Amphiscolops, some of them actually have symbiotic dinoflagellates like corals do. Here's a page with similar pics: http://www.savalli.us/BIO385/Diversity/02.BasalAnimals.html (bottom of the page, listed as Acoelomorpha)


hth
ivy
Click to expand...
 
It seems to have the shape of a flatworm, but I notice the dots he's filled with are intact and I'd expect to see them in digestive parts if they were for consumption.
 
karimwassef said:
There are plenty of things we haven't tried yet. For example, how about a water transfusion?

Or a sand transfusion.

I still like the lightem and trashem dino trap idea.
Click to expand...

I guess I should post more, I tend not to put up the stuff that didn't work..

I've tried all those with no success against O. ovata. Well, not the UV, but I did run dark except for my 'sump' lit 24/7 with trap material. After 5 days or so the floss wasn't catching much. Dinos returned within 2 days, and now do not seem to respond to lights out at all.

Also was given about 5kg extremely live rock from a running system with no issues. It's been slowly dying back over the last 2 months. No results from 'dosing' large amounts of live skimmate from several large tanks either.

Repeated the above with a small (maybe 500g?) amount of live sand from a different, huge, established system. It died off also.

hth
ivy
 
Quiet_Ivy said:
I did run dark except for my 'sump' lit 24/7 with trap material. After 5 days or so the floss wasn't catching much. Dinos returned within 2 days, and now do not seem to respond to lights out at all.
Click to expand...

So this is curious. Is your sump lit to grow life? Why do you think they don't respond to lights out?

It's great that you're trying this stuff out!!! :) we need more empirical data.

For transfusions, I think the ratio (% new) is important. It's like a war and the good guys lost because they didn't have enough soldiers. It may also need to be repeated several times. Depending on the size of the donor, the water transfusion can be done weekly and at very high % to upset the existing dino-favored balance. Maybe do it at night when they're mostly free floating?

I do 100-150gal water changes. That could represent a 90% water change for a small tank. I'm not saying the other animals won't struggle with this massive if a change but we haven't tried. Maybe it can be done gradually over a 24 hr period, so 50%, then 50% again = 75% true new water. Once more 50% for 87.5%...

Here's what I'm basing this on. Put a dino covered rock in a healthy tank and they melt away. Either a lack of critical mass or a lack of biodiversity are likely their killers.

Based on your results, I'd say getting dinos due to a lack of biodiversity doesn't mean that adding their competition is enough. Basically, they took over due to lack of competition, but once entrenched, they are now defending and the good guys need an edge to break in. This mirrors other comments where a rock covered in green algae died in a dino tank.. Or chaeto melting away. Once they're in, the dinos make conditions favorable to them. Like an alien species exaforming a planet. That's why I think my UV+lights out+heavy skimming worked with the addition of new life in the forms of thousands of pods. It was all out war.
 
mannyhernz said:
What were the pods you used? Bought some tigger pods but they seem to not populate
Click to expand...

I got thousands of copepods and amphipods and then hundreds of glass shrimp and peppermints. I put the shrimp in my chaeto/DSB refugium. They were pumping out new babies constantly.
 
http://www.reefs2go.com/product/INV...phipods-Copepods-1000---Buy-1-Get-1-FREE.html

This company is ok for live food and maybe low end shrimp, but their shipping practices are very poor. They do respond and correct whatever fails, but it's time lost and wasted effort.

I also got their peppermints
http://www.reefs2go.com/product/INV...imp-Lysmata-wurdemanni--Buy-1-Get-1-FREE.html

They've been out of glass shrimp for months
http://www.reefs2go.com/product/INV_SHR_FOOD_BOGO/Live-Marine-Feeder-Shrimp---Buy-1-Get-1-FREE.html
 
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