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Emerald crabs have always become more of a pest then a help for me in the long run. Never again in my tank.
what were the issue with them?
I have had them pick at corals, knock all kinds of stuff over, take down fish etc etc.
Way better solutions in my opinion. Best solution is to make sure your water quality is correct. It looks like this isn't a new problem for you
http://www.bareefers.org/home/node/1393
Clearly you must have a big nutrient issue if it has been persisting for that long.
yea had that problem a while back kind of got rid of it by doing a large amount water change along with removing most of it by hand. the algea recently came back and just thought i ask once more on bar to see if there are anything that i should add to the tank to help control it a bit better.
I like my emerald crab, he comes out during feeding time and allows me to spot feed him a shrimp pellet now that the algae is gone.
I also had an emerald crab that went rogue on me about 6-years ago. Caught him munching on one of my grammas. Took care of my algae though. If you can spot feed it, it might prevent it from finding other food sources.
To put things in perspective though, I don't even like blue-legged hermits in my tank. I have one in my 55G because I can't find him anymore.
well you can't blame an animal for feeding itself if you do not provide it food. my dwarf golden moray punishes me by eating my cleaner shrimp and firefish when I get lazy and not feed him. totally my fault so I can't be mad about it. so if the crab goes rogue its probably cause you don't have any more algae cause they did such a good job to eliminate it and you need to spot feed it or get it out if you know you are going to be lazy about the situation. just my take on it. sorry if this sounds rude just like to call it like I see it.
emerald crabs might be a good idea.. i want to advoid adding any chemical if possible and just trying to do everything.. pulling / scrubbing doesnt work that well because its really hard to get them all when they are in between the rock work and stuff. thank you all every post and advice will be taken in!