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FAQs about Sea Urchins, Sand Dollar
Identification 3
Related Articles: Sea
Urchins,
Related FAQs: Urchins 1,
Urchins 2 , Urchins 3,
Urchin
Identification 1, Urchin ID 2,
Urchin ID 4,
Urchin Behavior, Urchin Compatibility, Urchin Selection, Urchin System, Urchin Feeding, Urchin Disease, Urchin Reproduction,
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Unidentified urchin and brown bubble protruding from anus
10/31/15
Hi guys,
<Van>
I bought an urchin yesterday as part of my clean up crew - read about their
appetite for algae. I acclimatised it for 1 hour and 30 minutes (drip method).
During my morning routine today, I noted that there was a brown bubble
protruding from its anus. On further inspection I noted that there was a bubble
protruding from its mouth too. Please see the attached photos. Also, I do not
know the specie. Can you identify it?
<Looks like a bleached out Mespilia globulus to me>
I tried to Google what I have noticed, but I could not find anything.
It is moving and the spines are not flat. I have noted some lost spines on the
rocks.
I tested my water and noted the following:
pH: 8.3
KH: 7 dKH
Salinity: 1.022
<.... low. See WWM re Echinoids; their systems.... best kept (as most all
invert.s) at near seawater strength/concentration.... 1.025-6>
Ammonia: 0
Nitrite: 0
Nitrate: 5 ppm
Calcium: 400 ppm
Magnesium: 1360 ppm
Please let me know what is wrong and what I can do. I don't want the urchin to
die.
<Likely just new.... I'd slowly raise spg; perhaps add a bit of iodide-ate>
Thank you in advance.
Kind regards,
Joe
<Welcome. Bob Fenner>
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Re: Unidentified urchin and brown bubble protruding from anus
10/31/15
Hi Bob,
<Joe>
Thank you so much for the prompt response. Really appreciate it.
<Welcome>
This might be a stupid question: what is iodide-ate?
<Valence states of the element Iodine.... Simpler to have you search WWM, the
Net.... in a string including "marine aquariums">
Thanks again.
Kind regards,
Joe
<W. BobF>
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GR Urchin ID/FB 2/25/15
Good morning from Greece I would like your help if you can to identify
something I found and I cannot really say what it is Thank you Leonidas
Stavrou |
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<Hi Leonidas. Well, this is an urchin, Echinoid of some sort/species...
Where was this pic taken? The geographical, depth data will help me find
more out easily. >
Echinoid ID/ GR 2/25/15
There were rocks at 20m and the max depth was Sandy at 30 m with lot of
Nudis and spirographs near a ship wreck at south evoikos of Greece
<Appears to be a juv. Stylocidaris affinis. Is this it?> |
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Sea Urchins, ID 7/5/13
Hi,
I Have some questions re Sea urchin identification that i was wondering
if you guys could help with.
The photo attached shows a blue spined urchin that i originally thought
was a Diadema species but I am not sure any more. Its spines are thicker
and shorter than that on the Diadema Savingyi. What do you think it is?
<Might be this species; perhaps D. mexicanum...>
Also i don't have a photo for this but i found a Diadema species, with
complete black and white spines (not banded, the whole spines) could not
get a look at the anal sack. Any ideas?
<Mmm, please see here:
http://www.wetwebmedia.com/urchins.htm
and the linked files above. This is all we have>
Thanks so much for any info you have, just to let you know all
research I am doing is from Kenya so species are Indian ocean based.
<Oh! Then likely this is a D. savignyi... Can/do grow to look different
in captivity versus the wild. Bob Fenner>
Many thanks
Sarah Tyrrell
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Re: Sea Urchins 7/6/13
Thanks!
<Welcome!>
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Urchin ID question
6/19/2013
Please help me identify these 2 urchin tests (in the
attached photo) with the Latin scientific names and common names (if
there are common names for them). They are both from Philippines.
Thank you!
Randy
<Mmm, can/could only guess... do you have pix of the species when
they're live? Bob Fenner>
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Urchin ID - 12/28/2012
Hey there, Wanted to see if anyone could ID this little urchin. Never
seen one so pretty and can't find a similar one online anywhere. Saved
him off a LPS frag shipment as just a tiny spiky dot. About six months
later now his spines are almost 1 inch long. He's still as bright red as
when I found him, which is good because at first I thought he was a
pencil urchin and would maybe become more drab over time. His white
stripes and star pattern have actually become more pronounced. He's a
hardy little guy. Any help/info appreciated thanks!
<I think this is Eucidaris tribuloides... a beauty! Bob Fenner>
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