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FAQs about the Atlantic Cleaner Shrimp, Lysmata grabhami

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Cleaner shrimp, polyps, Heniochus Hello again, I recently added a cleaner shrimp (Lysmata grabhami, I think) to my 75 gal. setup which includes some yellow polyps and green button polyps. I've seen the shrimp "sampling" the polyps several times, causing them to close up. Do you think this causing harm to the polyps? <The shrimp is probably bugging them more than anything else, I doubt they are in any danger.> On a similar note, I'm interested in Heniochus Bannerfish. I've read that H. diphreutes is reef safe, but H. acuminatus is not. Do you agree? <yes> Would a pair of H. diphreutes be suitable for a 75 gal. that is otherwise lightly-loaded? Thank very much, and thanks for maintaining such a valuable site. John H. <Thank you for the kind words, and I promise, the site is only going to get better. A pair of the H. diphreutes would be much better suited than the H. acuminatus. You can find more information on Butterflyfishes at the link below. Best Regards, Gage http://wetwebmedia.com/BFsBestWrst.htm>

Cleaner Shrimp Question Bob, Can you tell me a positive way to tell the Indo-Pacific Cleaner Shrimps from the Atlantic variety? <Of the genus Lysmata? Yes... differences shown, link provided to more... on the Cleaner shrimp files, FAQs... on our site: www.WetWebMedia.com> I had one cleaner shrimp in my tank and decided to buy a second so they would possibly produce fry for fish and coral food. I am suspect as to whether the two that I have are actually the same species. The only difference between the two of them is the coloration on their tail. I have read on several web sites that the Indo-Pacific variety has the inverted "T" at the base of the tail and the Atlantic variety is supposed to have the white stripe go all the way from head to the end of the tail. I am assuming that the Atlantic variety is not supposed to have the inverted "T". Is that correct?  <Yes...> I have been looking for pictures of both of the species on the Internet to try and find a definite answer, but all of the pictures I have found look the same or don't show the tail area good enough for a positive identification. <See our site or Baensch Marine Atlas v.1...> Also, if one is Indo-Pacific and the other is Atlantic will they still mate or did I just waste my money? <They will not produce viable young as far as I'm aware... you may want to posit your question to the folks at "The Breeder's Registry" as well... link on WWM. Bob Fenner> Thanks for your help. Chad N.

Re: Cleaner Shrimp Question I have seen the pictures on the " http://www.wetwebmedia.com/cleaner.htm" age on your site. However, it appears as if both pictures of the cleaner shrimps on that page have the inverted "T" shape at the base of the tail and start of the tail fin. That is what's confusing me. And yes we are talking about Lysmata cleaners. Thank you for your fast response! <Sorry to seem so daft... but is this Lysmata grabhami and L. amboinensis you're trying to discern? And the telson markings shown on the above link unclear? Or are you sorting through wurdemanni et al. from the tropical Western Atlantic... and something like californica from the Pacific? Bob Fenner, still jet-lagged from yesterday night>

Re: Cleaner Shrimp Question Yes I am trying to discern Lysmata grabhami and L. amboinensis. The markings on that link are at least unclear to me anyway. It appears in the picture as if both species have the inverted "T" mark where the tail and tail fin meet. I had assumed that grabhami was not supposed to have the "T" mark, but it looks as if it does in that picture. <Ah... Hmm, perhaps I should suggest stressing the markings on the "tail" itself... notice the four distinct white dots on L. amboinensis... and connected "U"s on the tail of L. grabhami? This is definitive difference and one easily seen. Bob Fenner>

Re: Cleaner Shrimp Question Thank you very much. That's what I was afraid of. I was hoping it was only a matter of whether the "T" shape was present at the end of the tail (before the telson). But apparently that is not the case. Thanks for your help. I will try to return the one I bought today and find one that is a match for the one I already had. <Ah, good. Sorry again for the confusion. Do take a further look at the references listed on the "Cleaners" and "Shrimps", and "Cleaner Shrimps" files for more. Bob Fenner>

Cleaner shrimp Hey Bob, Been reading your site and FAQ's a long time, and I have learned a lot. <Ah, good> My question is about the Atlantic White-Striped Cleaner Shrimp. I put him in the tank a few days ago (55 gallon) and he's doing fine, moving about probing with his antennae, even jumping up at times to grab food. My only question is there any way to make the shrimp set up a cleaning station? <To "make it"... Not really... but given a bit of time, some prominent rock, with space to get out of the light, "customers"... it likely will establish a cleaning station on its own> The only problem the shrimp has had is a small scuffle with a lightfoot crab which he lost an antennae too. (It was the shrimps fault though, he kept poking the lightfoot till the thing got mad. The shrimp knows now to stay away from him. ) <No worries. It will regenerate the antenna next molt> Could it be that my live stock is too small? I have 4 false percula clowns, a striped damsel, all under 2 -2.5 inches. And two small fire gobies. Any suggestions would be helpful...oh there is 70+ pounds of live rock in the system with plenty of hiding space...Miguel <Not too small per se, but perhaps too young/unfamiliar. Give all a few weeks and you should observe them "learning" to use each other. Bob Fenner>



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