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Is this Asterina star?

law1210

By law1210,
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law1210 Newbie

law1210

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Found this hitchhiker in my tank today. After looking through the ID record, it looks like a Asterina star that might be harmful to corals. If harmful, I definitely won't want it to be in the main tank. I'm really bad at ID'ing stuff. So need experts here to help me confirm what star is this.

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If this star is indeed harmful to coral, is it then safe to keep it in fish-only tank (I have a fish-only nano at home)?

My 1.5ft Nano tank

Equipment: Sump with chaeto, hydor nano wavemakers, Maxspect 60W LED, return pump Rio 12HF

Livestock: 2xMaroon Clown, Yellow Watchman Goby, Algae Blenny, six-line wrasse, Fire & Skunk Shrimp, turbo snails, hermit crabs.

Corals: Zoas, Rics, Hammer, Blue & Green Starpolyps.

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iskay Newbie

iskay

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Yes they are. Whether they are harmful or not is debatable but put them in your fish tank to be safe.

post-1182-0-60431600-1322062247_thumb.jppost-2241-0-43391700-1354511230.png

"Be formless... shapeless, like water. If you put water into a cup, it becomes the cup. You put water into a bottle; it becomes the bottle. You put it into a teapot; it becomes the teapot. Water can flow, or it can crash. Be water, my friend..." - Lei Siu Lung (Bruce Lee)

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law1210 Newbie

law1210

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Ok, thanks. I'll bring it home then.

My 1.5ft Nano tank

Equipment: Sump with chaeto, hydor nano wavemakers, Maxspect 60W LED, return pump Rio 12HF

Livestock: 2xMaroon Clown, Yellow Watchman Goby, Algae Blenny, six-line wrasse, Fire & Skunk Shrimp, turbo snails, hermit crabs.

Corals: Zoas, Rics, Hammer, Blue & Green Starpolyps.

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law1210 Newbie

law1210

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It's quite small actually. Around 1.9cm one end to another.

My 1.5ft Nano tank

Equipment: Sump with chaeto, hydor nano wavemakers, Maxspect 60W LED, return pump Rio 12HF

Livestock: 2xMaroon Clown, Yellow Watchman Goby, Algae Blenny, six-line wrasse, Fire & Skunk Shrimp, turbo snails, hermit crabs.

Corals: Zoas, Rics, Hammer, Blue & Green Starpolyps.

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iskay Newbie

iskay

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Fairly certain that the LS pictured are asterinas. they usually have uneven length legs numbered from 3 to more than 7.

post-1182-0-60431600-1322062247_thumb.jppost-2241-0-43391700-1354511230.png

"Be formless... shapeless, like water. If you put water into a cup, it becomes the cup. You put water into a bottle; it becomes the bottle. You put it into a teapot; it becomes the teapot. Water can flow, or it can crash. Be water, my friend..." - Lei Siu Lung (Bruce Lee)

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sherman Enthusiast

sherman

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I have that last month .About 20 to 30 of them.

I lost few colony of zoos, acans and 2 colony of blasto

Have to watch out.Don't let it overtake your tank

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 

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law1210 Newbie

law1210

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I dry them n add to my sons' creepy crawlli collection. :pirate:

zoa eater!!

Haha I juz add mine to my son's fish only tank. Now I know why one of my zoa colony suddenly reside so fast. Now I worry I got more in the tank...

My 1.5ft Nano tank

Equipment: Sump with chaeto, hydor nano wavemakers, Maxspect 60W LED, return pump Rio 12HF

Livestock: 2xMaroon Clown, Yellow Watchman Goby, Algae Blenny, six-line wrasse, Fire & Skunk Shrimp, turbo snails, hermit crabs.

Corals: Zoas, Rics, Hammer, Blue & Green Starpolyps.

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  • 3 weeks later...
law1210 Newbie

law1210

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Ok, found one more of this star in the tank. This one has 4 shorter legs...does that mean 4 new stars are growing in the tank? <_<

Seriously thinking of getting Harlequin Shrimps to prevent an outbreak of Asterina stars. But feeding the shrimps can be a headache itself...hmm...

My 1.5ft Nano tank

Equipment: Sump with chaeto, hydor nano wavemakers, Maxspect 60W LED, return pump Rio 12HF

Livestock: 2xMaroon Clown, Yellow Watchman Goby, Algae Blenny, six-line wrasse, Fire & Skunk Shrimp, turbo snails, hermit crabs.

Corals: Zoas, Rics, Hammer, Blue & Green Starpolyps.

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