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Old 03-13-2015, 01:47 AM   #11
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Sea Urchin Embryology Lab

I'm pretty sure I know what he is, you were correct with the pincushion urchin guess. I looked up Carolina lab corp, they sell an urchin kit with 14-15 urchins which is what we had and they send 1 of 2 types of species of urchin, and the 2nd type is deff. not him. The first type looks like him, and they come in a variation of color, purple, green, white, etc, which I saw purple ones in lab as well.

Sea Urchin Embryology Live Set | Carolina.com

Lytechinus variegatus is his species name. I will try and slowly up his temps, see how he responds. He may of not liked it the first time I tried since he had been in a bad for at least 3 days with no heat.


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Slowly up the temp my temp maybe a degree a day. Mine in appx. 78-79F.

That is the part of the biology/science I don't like.
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Old 03-13-2015, 04:26 AM   #12
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Good for you to refuse! Takes a strong person to do that. You did an awesome thing.
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Old 03-13-2015, 09:15 AM   #13
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Good for you to refuse! Takes a strong person to do that. You did an awesome thing.

Thanks. I can understand some things for dissection, but sea urchins literally have like 3 structures inside of them. I know that they are invertebrates, but I still don't think it's right to just start cutting them apart while they are alive.

Lol I'm prolly one of the only animal science pre vet students that is vegan (most of my course work is about farming and factory farming animals). I didn't become a vegan for ethical reasons, but more for health reasons, but the longer I've been vegan, the more I realize that in a way, I am an ethical vegan.
(No worries though, I'm not here to persuade anyone or pass judgement)


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Old 03-13-2015, 10:03 AM   #14
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I'm hoping Pokey lives a long and uneventful life. Good for you for rescuing it.


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Old 03-14-2015, 01:26 AM   #15
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He's climbing the glass lol, I didn't know he could do that. Click image for larger version

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ID:	267229


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Old 03-14-2015, 03:21 AM   #16
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What are you feeding it? I just got some more Fern Calerpa to feed mine and boy did that ever get his attention! I am keeping it separate now since it ate it all the last time. Local coral person said just give it a little at a time/potion it out. Try algae food too. I haven't tried an algae wafer yet, I am worrying it would get too soft waiting for the Urchin to come get it.
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Old 03-14-2015, 09:39 AM   #17
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He's climbing the glass lol, I didn't know he could do that. Attachment 267229


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Climbing things like Spider-Man! Except slower. Smaller. Rounder with spines. And Aquatic.
Okay, not like spider-man. Might be hungry and on the move. Maybe check the same place the urchins came from for the caleurpa.


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Old 03-14-2015, 11:21 AM   #18
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What are you feeding it? I just got some more Fern Calerpa to feed mine and boy did that ever get his attention! I am keeping it separate now since it ate it all the last time. Local coral person said just give it a little at a time/potion it out. Try algae food too. I haven't tried an algae wafer yet, I am worrying it would get too soft waiting for the Urchin to come get it.

Since I've been leaving the lights on, algae has started to grow, and I've been putting little pieces of dried seaweed in there, which I never see him touch


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Old 03-29-2015, 11:18 PM   #19
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Click image for larger version

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Got pokey some new friends:
Seymour the turbo snail
Maniaclese the emerald crab
Two unnamed zebra hermits
Zombie the nissian snail

And some new rock and some calerpa

Also we bought a used 75g and are in the process of cycling.


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Old 03-29-2015, 11:32 PM   #20
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Watch that caulerpa. That stuff easily takes over a tank.
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