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#1
10-23-2008, 02:01 PM
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quattros right IME...
These guys are bad, as a matter of fact, sps polyps are the only thing I have seen mine eat...lol and I'm pretty sure he stressed out one of my JL 70 dollar frags to the point point of death.... not 100% on this but it was his favourite perch and none of the other 15 or so sps were affected and params are bang on. Fortunately for him, clown gobies are one of my favourite fish and essential to my 'scape. 
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#2
10-23-2008, 02:04 PM
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sorry, further to this...
the realbigal and I have witnessed a clown goby in his tank take a few polyps off a milli.... it was a vicous attack and earned himself a home in my tank where he lives in my hailmeda and hides from my other clown goby...lol Last edited by Whatigot; 10-23-2008 at 05:16 PM.
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#3
10-23-2008, 02:21 PM
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Polyp eating is a common behavior with these guys. I'm surprised by the number of people here who say they've never heard of this. Search the SPS forum on RC and you'll see that the majority of SPS keepers refuse to keep clown gobies in their SPS tanks for this very reason.
There are a few people with rather large tanks that put up with the polyp eating behavior because they have many, large, healthy, fast growing colonies in large tanks that grow faster than the gobies can destroy. This is similar to some SPS keepers housing species of angels and file fish that are known to eat SPS polyps - these hobbyists put up with some coral eating to keep a diverse array of fish they enjoy. Personally I wouldn't chance it in a small tank.
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SPS Dedicated 24x24x20 Trimless Tank | 20 g Sump | Bubbble King Mini 160 Protein Skimmer w/ Avast Swabbie | NP Biopellets in TLF Phosban Reactor | ATI Sunpower 6 x 24W T5HO Fixture | EcoTech Vortech MP20 | Modified Tunze Nanostream 6025 | Eheim 1260 Return Pump | GHL Profilux Standalone Doser dosing B-Ionic | Steel Frame Epoxy Coated Stand with Maple Panels embedded with Neodymium Magnets "Mens sana in corpore sano"
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#4
10-23-2008, 02:52 PM
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Interesting, I did not know this either. I have one, and he perches on the small amount of SPS that I have in my 60 gallon. He actually loves the birds nest, and goes right into the middle. Havent caught him nipping, but pretty cool little fish if he is not eating expensive coral
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60 Gallon rimless, internal Herbie overflow, ATI Powermodule, Eheim 1250, 2X Tunze 6055, Tunze ATO, Euroreef RS100, Profilux controller, TLF Reactor.
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#5
10-23-2008, 04:48 PM
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I have a 4 year old pair of green clowns and have had yellow and brown clowns in the past and never saw them nipping SPS. That being said, I only have Monti caps, digitata, and have had birdsnest in the past as well. No millis or acros. I'm not suprised that they nip SPS, but it would be suprising to me if they killed the colony they host in.
-Diana
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#6
10-23-2008, 05:15 PM
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green and yellows are almost different species in their behaviour IMO...
The yellows are bold and aggressive, the greens are meek and usually the victim of aggression. I have tried both, even together in my early days of reefing and admittably, tried a few of the 7 dollar fishes and always found the greens were dominated by the yellows. I have never seen a green nip at polyps, but again, my current yellow one has never been seen eating anything BUT sps polyps. Only my observations, no labratory scientist here.... 
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#7
10-23-2008, 05:17 PM
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Quote:
hmmmmm
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#8
10-24-2008, 04:12 AM
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Interesting too, because my two green clowns have always dominated over any yellow I put in the tank. The yellows for me never seemed to last very long, with the greens being very bold and aggressive (especially with each other). Very strange!
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