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What crabs are good for sps?

james72
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james72 Newbie

james72

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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

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Cheers,

James

Reviving my reef tank :

Crystal glass 53" x 22" x 17" rimless (inclusive of 12"x22"x17" IOS)

Life Reef HVS3-24 with mazzei venturi

ATI Sunpower 8 x 39w T5 (4 x Blue plus, 2 x Aqua blue special, Coral plus)

ZET Light 3 x 3w LEDs moonlight

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Vortech mp40w x 3 + Jebao wp25

Eheim 1264 x 3 + water blaster 5000

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TLF-150 + Rowaphos

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Kamoer 3 channel + CaCl2 + NaHCo3

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2ft T5 x 2 light tubes for refugium

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surreal1228 Newbie

surreal1228

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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 ?

post-17215-14040138171786_thumb.jpgPosted Imagepost-17215-14040138599693_thumb.jpgpost-17215-14040138814808_thumb.jpgpost-17215-14040138984563_thumb.jpgpost-17215-14040139168032_thumb.jpg

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james72 Newbie

james72

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Thanks for sharing. ...

Cheers,

James

Cheers,

James

Reviving my reef tank :

Crystal glass 53" x 22" x 17" rimless (inclusive of 12"x22"x17" IOS)

Life Reef HVS3-24 with mazzei venturi

ATI Sunpower 8 x 39w T5 (4 x Blue plus, 2 x Aqua blue special, Coral plus)

ZET Light 3 x 3w LEDs moonlight

Arctica 1/3 Hp + 1/4 Hp back up

Vortech mp40w x 3 + Jebao wp25

Eheim 1264 x 3 + water blaster 5000

Vortech back up battery

TLF-150 + Rowaphos

Activated carbon

Kamoer 3 channel + CaCl2 + NaHCo3

150L Refugium with DSB, miracle mud, cheato

2ft T5 x 2 light tubes for refugium

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surreal1228 Newbie

surreal1228

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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

Posted Image

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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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sherman Enthusiast

sherman

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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

e8y2aves.jpg

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Wow nice crab. What is the name?

6.5 * 2 * 2 + 3.75 * 1.5 *1.5,(Decomn on 14/9/08)
4*2*2 + 2.5*1.25*1.25 (Decomn on 1/8/09)
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Eheim return 1 * pump

1 HP Daikin compressor with cooling coil
2 Jebao OW40, 1 ecotech MP40,
1X6085 Tunze wm,

1 CURVE 7 Skimmer

  1 DIY 80 led control by Bluefish mini 

1 radion XR30W G2, 2 Radion XR15G3

Sump area lite by 5 ft T5 , 6 * SSC 3 watt red LED for refugium

1 Full spectrum E27 led light

1 CR control by bubble count

Start No Water Change since 1st Dec 2016

Add new 2.5x2x 1.5 ft 

 nLekOfpYts.jpg
[/quote]


 

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sherman Enthusiast

sherman

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6.5 * 2 * 2 + 3.75 * 1.5 *1.5,(Decomn on 14/9/08)
4*2*2 + 2.5*1.25*1.25 (Decomn on 1/8/09)
5*2*2 (Fully LED light system, 140 3 watt SSC leds with 60 degree lens)(Decomm)
2.5*2*2(Fully LED Light System,96 3 watt SSC leds with 60 degree lens)(Decomm)

5*2.5*2(LED only)

Eheim return 1 * pump

1 HP Daikin compressor with cooling coil
2 Jebao OW40, 1 ecotech MP40,
1X6085 Tunze wm,

1 CURVE 7 Skimmer

  1 DIY 80 led control by Bluefish mini 

1 radion XR30W G2, 2 Radion XR15G3

Sump area lite by 5 ft T5 , 6 * SSC 3 watt red LED for refugium

1 Full spectrum E27 led light

1 CR control by bubble count

Start No Water Change since 1st Dec 2016

Add new 2.5x2x 1.5 ft 

 nLekOfpYts.jpg
[/quote]


 

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cedricang Community Regular

cedricang

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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 ?

attachicon.gifuploadfromtaptalk1404013816149.jpgtaqusa5e.jpgattachicon.gifuploadfromtaptalk1404013857538.jpgattachicon.gifuploadfromtaptalk1404013880870.jpgattachicon.gifuploadfromtaptalk1404013897590.jpgattachicon.gifuploadfromtaptalk1404013912847.jpg

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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 :)

Treat others the way you wanna be treated...

 

 

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tofubox Enthusiast

tofubox

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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

 

I Love Stagsss

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moonwater Newbie

moonwater

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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??

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solasido Newbie

solasido

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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 ?

{style_image_url}/attachicon.gif uploadfromtaptalk1404013816149.jpgPosted Image{style_image_url}/attachicon.gif uploadfromtaptalk1404013857538.jpg{style_image_url}/attachicon.gif uploadfromtaptalk1404013880870.jpg{style_image_url}/attachicon.gif uploadfromtaptalk1404013897590.jpg{style_image_url}/attachicon.gif uploadfromtaptalk1404013912847.jpg

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

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surreal1228 Newbie

surreal1228

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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 Rookie

honkit

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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.

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