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| Breeding Saltwater Fish Find out the different ways on breeding salt water fish. |
02-18-2007, 08:18 PM
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#1
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Junior Member
Join Date: Feb 2007
Age: 28
Posts: 5
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sea urchins
i have some knowledge about sea urchins and how the can reproduce very fast in the wild, but is it possible to breed them in captivity.
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02-19-2007, 12:12 AM
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#2
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Minor Member
Join Date: Jun 2006
Age: 26
Posts: 995
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From what i know about urchins, its virtually impossible to vuisually distinguish between male and female urchins thus making it highly unlikely to breed them in captive. BTW if you plan on keeping them in your main DT say goodbye to your coraline algae...
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02-19-2007, 06:59 AM
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#3
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Darth Ichthyos
Join Date: Jan 2005
Posts: 8,164
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Actually, it's simplicity itself.
Proper manipulation of the moonlighting and temperature will make them spawn, or if you want instant results, just inject them, in the soft spot around their mouths, with a KCL solution. They'll spawn like crazy within hours, or even minutes if they're already ripe. It's a common lab procedure, since urchin larvae are very useful in bioassay testing. ( for toxicity in a system, for example )
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02-19-2007, 08:11 AM
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#4
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Aquatic Naturalist
Join Date: Jan 2005
Location: Dayton, Ohio
Age: 37
Posts: 14,961
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They dont make much of a dent in coralline algae. Mine has never phased it at all even though he's always eating on it.
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02-19-2007, 03:50 PM
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#5
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Junior Member
Join Date: Feb 2007
Age: 28
Posts: 5
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i guess they would need to be gradually put in a longer night period and lower temps. i can probably handle that.
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02-19-2007, 04:00 PM
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#6
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One Word: Croutons.
Join Date: Nov 2005
Location: Wisconsin
Age: 21
Posts: 1,952
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My parents urchin eats everything- good and bad. Rocks start looking good, and it wipes everything out on them.
I've heard urchins being bred in labs, and I guess you could do it in an aquarium... good luck with raising the larvae though.
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02-20-2007, 08:40 PM
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#7
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Darth Ichthyos
Join Date: Jan 2005
Posts: 8,164
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Again, not all that hard to do. If you have an ecosystem-type setup which is plankton-friendly, then you'll have urchins galore if you're not careful.
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02-21-2007, 04:05 PM
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#8
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One Word: Croutons.
Join Date: Nov 2005
Location: Wisconsin
Age: 21
Posts: 1,952
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Originally Posted by TheOldSalt
Again, not all that hard to do. If you have an ecosystem-type setup which is plankton-friendly, then you'll have urchins galore if you're not careful.
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Really? Didn't know they were that easy to grow. Sigh, I don't see the need in getting more though... one is usually more than enough for any tank  .
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