Sea Cucumbers

I have two and they do wonders for my sand bed... They eat dirty sand and out comes pellets of perfectly white sand. Fun to see!
 
Pros: great detritus eaters and very interesting animals. Most are very easy and require no real special care. Avoid sea apples and the few filter feeders.

Cons: can possibly nuke a tank. They do have a toxin that if they die a violent death they will release. Large specimens in small tanks with no chemical filtration are most at risk. I have lost three over the years with no problem.
 
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Here is mine.
 
Pros: great detritus eaters and very interesting animals. Most are very easy and require no real special care. Avoid sea apples and the few filter feeders.

Cons: can possibly nuke a tank. They do have a toxin that if they die a violent death they will release. Large specimens in small tanks with no chemical filtration are most at risk. I have lost three over the years with no problem.
 
Nalad, thanks for sharing. I should have mentioned I do have 2 ( doing a great job sifting and clean the sand )would like to rearrange about a 1/3 of the live rock in my system. I sometimes see 1 and sometimes the 2nd but for some time they are hanging were I'd like to rearrange. I'm afraid I may pinch one in the process which would set off it's defensive poison and distroy my many corals. They are the yellow type. Although I certainly don't want to injure them the investment in my corals would come first. And being new to this forum have to the thank everyone for you thought! This is great!
Anyone have any pros and cons on cucumbers
 
I've had no troubles with mine, and it's kind of cool to see this black-backed pink turd popping up in one part of the tank or another (H. edulis). Then again, I've only had the fellow for a month or so . . . and there's a mention in the article that Cloak shared of my species requiring a tank larger than what he's in . . . I tend to regard them as a great cleaner of the upper couple of millimeters of the sandbed, keeping the sand looking good - and a pretty cool creature in their own right!

BTW - Welcome to Reef2Reef!

~Bruce
 
I've had no troubles with mine, and it's kind of cool to see this black-backed pink turd popping up in one part of the tank or another (H. edulis). Then again, I've only had the fellow for a month or so . . . and there's a mention in the article that Cloak shared of my species requiring a tank larger than what he's in . . . I tend to regard them as a great cleaner of the upper couple of millimeters of the sandbed, keeping the sand looking good - and a pretty cool creature in their own right!

BTW - Welcome to Reef2Reef!

~Bruce
Thanks Bruce, interesting creatures for sure. Bad sand in, good sand out. Although wife isn't so sure as far as looks go...
 
I have 2 in my tank and have had zero problems. They clean the sand well and leave little sand pellets after they filter out the bad stuff. The only negative I have is they will clean the sand under a frag and possibly make it tip over.
 
What is the smallest tank a cucumber can thrive in? I have heard that they can be quite large? I have a 29 gal biocube.
 
I have 2 in my tank and have had zero problems. They clean the sand well and leave little sand pellets after they filter out the bad stuff. The only negative I have is they will clean the sand under a frag and possibly make it tip over.
I have 2 in my tank and have had zero problems. They clean the sand well and leave little sand pellets after they filter out the bad stuff. The only negative I have is they will clean the sand under a frag and possibly make it tip over.
 
Nalad, thanks for sharing. I should have mentioned I do have 2 ( doing a great job sifting and clean the sand )would like to rearrange about a 1/3 of the live rock in my system. I sometimes see 1 and sometimes the 2nd but for some time they are hanging were I'd like to rearrange. I'm afraid I may pinch one in the process which would set off it's defensive poison and distroy my many corals. They are the yellow type. Although I certainly don't want to injure them the investment in my corals would come first. And being new to this forum have to the thank everyone for you thought! This is great!
If you are gentle it isn't hard to move them and not startle them. I would be sure to have fresh carbon running to be on the safe side though. I have had one cucumber and a few sea hares let loose in a 120 over the years. Other than a fish that got a face full everything was ok.
 

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