urchin an coral

Softhammer

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Unfortunately for 2 similar fish, that’s a though One usually they bully to death. Ideally remove one. However if they are eating, feed them as much as you can. I doubt it will do anything for the aggression but it will toughen them up so they can handle or rather survive the aggression for longer.
 

pscoma17

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I have made the same mistake buy having two together I had them in a 210g the outcome was not good hopefully they work for you but mine never stoped bullying the other one
 

Huskymaniac

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This is crazy. Was just about to post something similar. My longspine urchin is eating the tips off my acros. I was blaming it on my rabbitfish but caught the urchin in the act this morning.

16034594949103023643517696827715.jpg
 
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Lenett

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Unfortunately for 2 similar fish, that’s a though One usually they bully to death. Ideally remove one. However if they are eating, feed them as much as you can. I doubt it will do anything for the aggression but it will toughen them up so they can handle or rather survive the aggression for longer.
Would getting another one help?
 
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Lenett

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This is crazy. Was just about to post something similar. My longspine urchin is eating the tips off my acros. I was blaming it on my rabbitfish but caught the urchin in the act this morning.

16034594949103023643517696827715.jpg
It seems my urchin was starving. I didn't have any plants and no green algae. Just coraline and rock. Too clean I guess. Im feeding him nori and frozen brine shrimp. through a feeding tube, so I wont hurt his spines. His mouth is under him, not on top (like I thought at first). He has improved some. Yours may be hungry as well. Keep us posted.
 

jda

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Pencils are not reef safe. Longspines usually are unless they are getting hungry - you would eat coral too if you were hungry. Pin Cushions are the safest, IMO, but they do eat a lot of coralline - this is quite welcome to me, but some people get made at this.
 
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Lenett

Lenett

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I have made the same mistake buy having two together I had them in a 210g the outcome was not good hopefully they work for you but mine never stoped bullying the other one
I am Am going to put in a nano soon! The bully is coming up to eat brine shrimp now too. He remembers everywhere the little one has hidden, and goes there with the other fish. Uncanny! Thanks!
What is a good but modern 10 gal tank to get?
Do you still have that pencil in your tank? I had 6-of them, took 5-out and gave them to a LFS. The 6th was in a crevice at the time and I couldn't pull him out. However, I'm staring at him right now on my back wall next to my MP40. I want him out, but feel bad to kill it by either throwing it in the trashcan or over the fence. At least that way, it would become coyote food. I've suspected before it may damage coral.
Sorry, Ryshark! I didn't realize you were talking to me. Mine is a black long spine, not a pencil. Did you get yours out?
 
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Lenett

Lenett

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Thanks! Am feeding urchin. Seem to be getting better.
Urchin is losing spines. It may be needing something. It lasted through 8 months of my tank being resealed in a 50 gal. Is about 3 years old. My brain frag and a flowering coral are looking good still, but the little green tree isn't doing well. 2 pics. 1befor and1after below.
sorry, thought I sent. I will get the hang of this site one day!
 
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Lenett

Lenett

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Pencils are not reef safe. Longspines usually are unless they are getting hungry - you would eat coral too if you were hungry. Pin Cushions are the safest, IMO, but they do eat a lot of coralline - this is quite welcome to me, but some people get made at this.
Thanks for the info. I have a pin cushion and the black longspine. He seems happy to be fed. Hope he survives. He just stays at top of tank wall.
 
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Lenett

Lenett

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Thanks for the info. I have a pin cushion and the black longspine. He seems happy to be fed. Hope he survives. He just stays at top of tank wall.
Never seen an urchin eat an acro. Mine eats the algae around the base of my corals. If I wasn't paying very close attention and watching very closely, it could probably seem like it's eating the base of the coral.
Take him to your fish store
 

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