coral banded shrimp

I have read in books about using iodine adative for proper molts as well.
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Let me know which ones. I have been on a quest to find any data at all in this regard. I have searched databases, scoured my books, asked Ron Shimek and even offered a $10 reward on Reef Central. Nada.

My belief is that someone conflated the vertebrate requirement for iodine in molting and metamorphosis (real) with that in arthropods, which is triggered by chemically unrelated hormones.
 
i read mine in live aquarias website. but didnt read anything in the book that i have
 
I was thinking I read that shrimp need iodine to molt. I also was thinking that it was in one of my books. After not finding it in my books, I was thinking that maybe I am nuts. I started looking through everything I have ever read about shrimp, and finially ran across this........... This is where I learned that shrimp need iodine for molts. Here is the paragraph:

It is a good aquarium inhabitant, however, it is not very compatible with Triggers or Wrasses, and can destroy corals and anemones by nipping them open to feed on ingested food. Provide sufficient room to allow it to move without its long antennae touching neighboring corals or anemones. Banded Coral Shrimp must be kept singly, or as a true mated pair, being intolerant of other Banded Coral Shrimp. It may harass other smaller shrimp of different species. It is intolerant of high nitrates or copper levels, but iodine levels in the water must be correct to promote proper molting.

here is the web site, and I know that I have read it more than just on this web site:


http://www.liveaquaria.com/product/prod_Display.cfm?siteid=23&pCatId=698
 
thats where i got it from.
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lol, I just noticed your post before mine about:

i read mine in live aquarias website. but didnt read anything in the book that i have
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.

If I would have read you post, I would not have had to pick my brain so hard on where I got this info.......... oh well
 
That's why I think that vendor web sites are not very good sources of information. I have combed the scientific literature for the source of this belief, and have found nothing.

Majority rules can help, but that approach can also perpetuate myths.

I have a little more time now, so a little better exposition.

[rant on]
Although I rely a lot on the personal experience of others, I expect that I can find an experimental basis for many of the statements made in this hobby. When Martin Moe states in his books that calcareous gravels can't raise the pH above 7.9 in a tank, he cites data. Terry Bartelme cites a list of papers in his recent articles about cryptocaryon treatment in Advanced Aquarist. And so on.

So, if iodine is so important in molting, why is there no trace of it in the scientific literature? I am a biologist, I know how to do searches, and have access to all the relevant databases. Bliss and Mantel's "Biology of Crustacea" has several chapters dealing with the hormonal control of the molt (see vol 9), but iodine does not even appear in the index. Not a whisper in the mariculture databases. It only shows up among hobbyists. When I ask where the information comes from, no one seems to be able to track it down.
[rant off]

If this is a myth, is there any harm? Probably not. It seems like a waste of money and another thing to mess with. Plus, there are rumors (I have tried really, really hard to track down the source) that too much iodine can induce precocious molts and harm your crustaceans. A lot of people don't add anything if they don't test for it, and I'm one of them.
 
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