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Old 04-20-2005, 01:35 AM   #1
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Urchin Infestation...What to do???

When I got my Live Rock 4 months ago...I noticed a few very small, black, urchin like creatures...they were smaller than a pea. You could hardly tell the were alive a moving.

That was then....THIS IS NOW:

Now I have 10 HUGE black urchins in my tank. Their bodies are about 3/4 of an inch in diameter, then with spines...they are 1.5-2 inches in size. They strip any and all Coraline algae that I get to grow...they are plowing into corals...and in general becoming a nuisance.

I am not one for "flushing" or otherwise ending the life of any occupants in the tank (except for a 6 inch Bobbit worm...as I had no choice) that are not adversely affecting the occupants of the aquarium. So...does anyone have any idea what I can do with these guys??? Are they a food source that anyone could use them for (hence continuing the circle of life and not just killing)??

Thanks for any advice!


90 Gallon Fresh Water Planted w/ CO2:
7 Brilliant Rasbora, 6 Harlequin Rasboras, 3 Dwarf Neon Rainbows, 1 Red Tailed Shark, 2 American Flag Fish, 4 Skunk Botia Loaches

40 Gallon Breeder Salt Water: 4 inch DSB (2/3 Agaramax & 1/3 Sea Flor), Bak Pak 2R Skimmer w/ BBX, 2 x JBJ PHs, Coralife Lunar Aqualight (2x96w), 30lb Base Rock and 40lbs of Live Rock.
Inhabitants: Purple Firefish, Pygmy Angel, Lawmower Blenny, 2 Cleaner Shrimp, 1 Peppermint Shrimp, Pistol Shrimp(HH), 1 Emerald Crabs, 3 Porcelin Crabs(HH), varying amounts and varieties of hermit and snails.

3 Gallon Eclipse:
1 Goldfish (won free at a fair...cost $50 in equipment)
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Old 04-20-2005, 01:46 AM   #2
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Sell Them To LFS 8)

30 gallon reef tank w/DIY overflow, SCWD
Water Temp 78.1F
65W Dual Compact Fluorescent
65W Dual Compact Fluorescent Actinic
2-Moonlight LED
50# Fiji Live Rock
30# Argonite Sand
Yellow Watchman Goby, Scooter Blenny, Strawberry Basslet, 6 Line Wrasse, Mandarin Dragonet
Cortez Crabs, Scarlet Hermit Crabs, Blue Legged Hermit Crabs, Black Turbo Snails, Cerith Snails, Bumble Bee Snails, Astera Snails, 3 Pepermint Shrimp, Feather Duster, Scarlet Skunk Cleaner Shrimp, Clam
Frogspawn, Mushrooms, Zoos, Polyps, Galaxea,
Starburst, Xenia

10 Gallon Tank
CPR Bak-Pak2R Skimmer
2-10w 50/50 Compact Florescent
20# Argonite Sand
10# Fiji Live Rock/Rubble
Chaeto, Red Garacillia
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Old 04-20-2005, 02:25 AM   #3
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see if anyone you know wants them, maybe you can make a trade, and if not then, like Flsprophet2 said, see what you can get for them at the lfs
"I know the human being and fish can coexist peacefully."
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Old 04-20-2005, 10:07 AM   #4
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I had three that were 3.5" point to point. I took them back to the LFS sold them to them for 2 bucks a piece. They're selling them for 9 bucks a piece.
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Old 04-20-2005, 10:44 AM   #5
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black long spine urchins

I've got one that is getting huge also and leaving a white trail on my pink coraline algae wherever he goes,

I may end up doing the same, I've been holding off as it is a neat creature but may have to, was hoping my coraline to keep up with him
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Old 04-20-2005, 11:40 AM   #6
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Bag one up and send it to me! LOL! Oh no! That won't work! Try your local reefer club. I'm sure there will be a local refer who'll take one or two. Beats getting 2$ for it at the LFS, IMO!

Join the NJ Reef Club Today! Saving the world's reefs one living room at a time!
MACNA XXI Atlantic City, NJ September 25-27, 2009
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Old 04-20-2005, 12:36 PM   #7
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Follow the suggestions above and also try and target feed them some nori a couple times a week. I do that with mine and have no coraline problems (I have 4 in my system X 20 months).
One small nori strip will keep them busy all day.
Besides, the coraline they eat will just be pooped out and much of it can reseed.

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