He's now too big for his old under rock home.
Just Urchin around
- Thread starter PeterEde
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Unitylover
Valuable Member
Nice urchin!
(also the algae on the glass confuses me why do you have it?)
(also the algae on the glass confuses me why do you have it?)
OP
OP
Urchin and Astraea snails need food and it's not bothering me
Unitylover
Valuable Member
Ah, I see
Karen00
2500 Club Member
That's a beautiful urchin. They are one of the oddest creatures on the planet. It's like someone tossed a bunch of random DNA into a test tube, shook it up, germinated it and out popped these. 
OP
OP
He's great. Has survived the tank since the day I got my live rock. Maybe a week after I started the buildThat's a beautiful urchin. They are one of the oddest creatures on the planet. It's like someone tossed a bunch of random DNA into a test tube, shook it up, germinated it and out popped these.
OP
OP
Is there a dwarf urchin species?
Can we still say dwarf?
Karen00
2500 Club Member
I think we're OK until they rename every fish/invert, etc with that in their name. I wish there were teeny tinies available. I keep seeing babies in my lfs that are the size of a quarter and my first thought is... "why can't you stay that small?". LOL
OP
OP
Mine when I first found was only 5mm dia. He's now the size of a gold ball tip to tip
OP
OP
I'm just happy he survived cycling the tank and is growing rapidly. He'll need a new home soon
N.Sreefer
Valuable Member
Smallest urchin in the world is Echinocyamus scaber and it's 5.5mm (.22 inch) but its white and lives in the sand it would probably be near impossible to spot. It would be amazing for cleaning the sandbed on a pico/ nano but I'd bet it'll never make into the hobby.
Karen00
2500 Club Member
I knew there would be a "gotcha". LOL. I would love to have one of these even if I didn't see it all that often. Just knowing I have an urchin in my tank is good enough for me. Maybe if I stuck a tiny tall hat on him I would at least know where he is.
OP
OP
Maybe like Nassarius snails it might have a periscope to show you where it is at feeding time.I knew there would be a "gotcha". LOL. I would love to have one of these even if I didn't see it all that often. Just knowing I have an urchin in my tank is good enough for me. Maybe if I stuck a tiny tall hat on him I would at least know where he is.
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