What crabs are good for sps?

[james72]

I always take out all the crabs from sps cos I do not know how to differentiate between the good n bad acro crabs. But I feel that good acro crabs are there for a good cause which can help in pest controls.

Can anyone share some knowledge and pics of friendly acro crabs and the nasty crabs for sps?

Cheers,

James

[surreal1228]

the good crab will help claeaning any food or things stuck in sps branches, in case sps tissue die off. They nrnally Got very smooth shell, White or red.

the bad carb are hairy will eat sps tips slowly.

here ar photos. guess Which are good Which are bad ?

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[Ken_ng]

Hairy crabs are not reef safe.

I've got a strawberry crab in my tank. So far it has not touched the corals yet so should be okay I suppose.

[Firestarter]

Last 3 crabs are non sps safe. Good pics, thanks for posting.

[james72]

Thanks for sharing. ...

Cheers,

James

[patricklhc]

this is my all time fav.. but never had luck getting them in our usual sps shipment. good news is ML will have it once in a while

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[franklin]

Thanks for sharing

[franklin]

What do you call the red spot crab?

[patricklhc]

i dont know its actual name

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[qianjun]

Oh so non hairy crab will not disturb corals?

[surreal1228]

Last 3 crabs are non sps safe.Good pics, thanks for posting.

Correct man!

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[surreal1228]

this is my all time fav.. but never had luck getting them in our usual sps shipment. good news is ML will have it once in a while

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Can be found at ng couple shop.

Oh so non hairy crab will not disturb corals?

correct, n will improve coral s Heath

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[reefaquaria]

Interesting, thanks for sharing

[sherman]

this is my all time fav.. but never had luck getting them in our usual sps shipment. good news is ML will have it once in a while

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Wow nice crab. What is the name?

[patricklhc]

Wow nice crab. What is the name?

i dont dont know haha. but i get it from henry shipment he call them red acro crab

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[sherman]

[cedricang]

the good crab will help claeaning any food or things stuck in sps branches, in case sps tissue die off. They nrnally Got very smooth shell, White or red.

the bad carb are hairy will eat sps tips slowly.

here ar photos. guess Which are good Which are bad ?

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This is a great piece of sharing by kkk121 and imo the info is correct.

I have a a. Valida that slowly stn from the mid way and I cant figure out why... till I realise that one tiny hairy crab is having a good time eating the SPS.

Once removed, the Valida recovered within a week and thrive

[tofubox]

I've link this before to a fellow reefer to help id crabs. I use this website all the time for id-ing crabs. As mentioned almost all the hairy crabs are not reef safe. But don't be fooled by the smooth shell ones too. There are a few not reef safe, best to always id them if unsure.

http://www.chucksaddiction.com/hitchcrabs.html

Cheers

[moonwater]

Thanks for the links...

i've got 1 hairy crab that is about the size of my thumb, but i only notice it chopping on coralline algae??

almost caught it with a pincer a couple of times... would it be advisable to catch it with bare hands??

[SteveS]

where can i buy strawberry crab ? how big will it grow ?

[kenny1111]

where to buy all those arco crab?

[Firestarter]

where to buy all those arco crab?

I get them commonly from wild sps colonies.

[solasido]

the good crab will help claeaning any food or things stuck in sps branches, in case sps tissue die off. They nrnally Got very smooth shell, White or red.

the bad carb are hairy will eat sps tips slowly.

here ar photos. guess Which are good Which are bad ?

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Some bigger good crab also helps in defending the SPS from being nipped by fish.

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[surreal1228]

Some bigger good crab also helps in defending the SPS from being nipped by fish.

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very good point !! except hawk fish. Lol

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[honkit]

Unless they are commensal crabs for SPS corals, I would personally avoid putting any other crabs in a SPS dominated tank due to crabs' unpredictable and predatory behaviour and feeding habits.