FAQs about Xeniid Disease/Health/Pests
FAQs on Xeniid Disease:
Xeniid Disease 1,
Health 3, Xeniid
Xeniid Hlth./Pests 5,
FAQs on Xeniid Disease by Category:
Pathogenic (Infectious, parasitic),
Related Articles: Pulsing
Soft Corals, Family Xeniidae,
Related FAQs: Xeniid FAQs 1, Xeniid FAQs 2, Xeniid FAQs 3, Xeniid FAQs 4, Xeniid ID, Xeniid Behavior, Xeniid Selection, Xeniid Compatibility, Xeniid Systems, Xeniid Feeding, Xeniid Reproduction, Soft Coral
Propagation, Soft Coral
Dying Xenia spiking ammonia
Hi Bob and crew!
I've had Xenia flourishing in my tank for years...to the point I give it
away! However, two months ago I put in a new protein skimmer (Seaside
Aquatics CS6) and since then the Xenia have been dying.
<Mmm, well Xeniid colonies do go and go... then often crash/dissolve for
unknown reasons at times. Perhaps the skimmer was somehow involved>
By the way, this is not a problem to me:) . However, I believe it is
causing some issues. Two weeks ago I took out all of the live
rock and chiseled out the xenia. I've had either cyano or diatoms
for a week. I can siphon it out and within two hours it's back.
<Yikes; no fun>
Also, I tested for ammonia and the results were 0-.25. This was
using an API kit which I have heard can give false positives. I did a
large water change and retested. The result was 0 ammonia. My question
basically is how do I stop the ammonia spiking?
<Stop chiseling and take a few big breaths... and try another/better
Should I just keep doing large water changes and wait for the biological
filter to catch back up?
<Just the latter>
Should I had Bio-Spira or some other bottled nitrifying bacteria?
Pertinent info: 80 gallon reef tank established 8 years. Livestock:
1firefish, 1 pink spotted goby, 1 mandarin dragonet and various
invertebrates. Please let me know if there is any other information you
may need. As always thank you very much! Jennifer
<I'd just try to wait, be patient. Bob Fenner>
Re: Dying Xenia spiking ammonia; and Yellow "Coris" (Halichoeres) hlth.
Thank you, thank you, thank you! I feel much better:) I will
definitely get a better ammonia test. I've always had a hard time
<See WWM for recommendations here, and actual users input on bbs>
By the way, I recommended a fellow reefer get your advice on a Yellow
Coris Wrasse that had a growth protruding from the gill.
<Yes; I saw, responded to this... tumorous growth am guessing>
He took it to an aquatic facility near him where a marine biologist
attempted to excise the tumor.
<Umm, I'd suggested leaving it alone; perhaps trying some purposeful
The tumor had eroded the gill plate and had grown up to the back of the
eye. Needless to say the fish did not make it through the surgery but
the prognosis was not good anyway. Jennifer
<Aye. Thank you for this follow-up. BobF>
Red dragon Flowerhorn. Hlth., likely env., gas...
About 3 days ago my female red dragon fh which i have had for 5 years
got sick like never before. She is and has always been in my 75
gal tank with a canister filter rated at 420g/h bubbler with 3
stones in tank 400w Heater. The temp has always been between
<Too high... I'd lower to the mid to upper 70's F>
blue background river stones and many caves. She is with 2 jags
a midas cichlid and 2 convicts all between 4 and 7 inches she is about
12 inches. I have basic tests for all parameters nitrites read
between 0-.25 but closer to zero ammonia is 0 and ph is 7.5 nitrates are
close to zero. I woke up and my fh was looking right at me (tank is
right next to my bed) breathing heavy and being very lethargic. I have a
good relationship with my fh and even on a prefect day she will let me
catch her and remove her from the tank so i examined her through the
glass and saw nothing. Then grabbed her and pulled her out. Looked in
her mouth through her gills inspected her fins and saw nothing. Her last
stool was a normal reddish brown. I replaced get in the tank and she was
still the same. Throughout the day her condition worsened breathing
heavier and laying around with no will.
<Sounds/reads like a gas exchange issue/problem... too little O2 and/or
too much CO2... too low gas solubility in too small a volume at too high
I did a 50 percent water change
and later noticed she is holding one gill open and relying on the other
one. What could cause this to happen?
<Environment most likely... and that the largest fish is mal-affected...
I believe her gill is infected somehow but with no fungus or ick
swelling or anything. Only thing i can see is a patch where the skin
looks washed of color which had always been lighter and could just be
more noticeable because i never see her so black and dark colored. I put
her in a 45 gallon hospital tank that i keep set up with prospects for
my 75gal i tested it everything is good just don't want the infection
spreading to any other veteran fish ill risk the newbs first. I treated
both tanks with "triple sulfa" anti bacterial fish medication.
<I would not do this. Will only worsen the cause of this trouble>
And tetra parasite guard.
This was yesterday she is breathing a little easier
<Due to your water change>
and is off of the bottom but gill is still stuck open. Like half an inch
open and not closing at all. What could it be and do these medicines
<No more "medicating"... wick off the top water every day for a few
days, be careful/stingy w/ feeding... Keep up with the weekly massive
water changes. Shop for a larger tank... Bob Fenner>
Re: rapid decline in Xenia
Caulerpa and Xenia 10/26/11
I'm trying to figure out why my entire colony of Pulsating Xenia is
The only thing out of the ordinary (water quality - husbandry) was that
about three days prior to the Xenia starting to show signs of distress
( less active pulsing and "fluffy-ness )
<How long have you had the Xenia before this started
I did a large pruning of the Feather Caulerpa I have. (some in the main
tank and some in my refugium ) I know that Caulerpa release a Toxin
when pruned / broken, but since I always run carbon (Chemipure elite)
and did a water change right after the pruning, I didn't think it
would be an issue.
Now, my Xenia are all retracted and the "feathers" are
literally becoming goo. This is about 1 week after the pruning...
Could this be a result of the Caulerpa pruning, or should I not be
pointing fingers at the algae and keep trying to track down another
All my water parameters haven't changed, lighting, feeding, nothing
...except my Xenia are turning to goo. (not the stalks, just the
<Including parameters in email is helpful; check pH, iodine level or
maybe even fish culprits that might be nibbling on Xenia behind your
back. Lots of useful info here http://www.wetwebmedia.com/xeniiddisfaqs.htm>
Sincerely, Charles Paskey
<Happy Pulsing, Michelle (Fichecake)>
Blue Xenia Color Fade...But Polyps Otherwise
Healthy and Reproducing Quickly -- 11/08/10
My question involves some blue xenia... I have received starter
colonies from a friend who grows these things four or five times over
the years. I always experience the same thing -- once they hit my tank,
they acclimate...start pulsing... and reproduce quickly, doubling in
size over the next month or two. But they also lose their bluish
This last time, with five or six colonies at different heights,
proximity to my lights, etc. seeded in various places in my tank --
basically anywhere the current wasn't too swift to beat them up,
all faded at the same rate...blue/gray totally gone after about two
months, and now are beige/brown.
<<Almost certainly environmental -- and likely the
"chemical" composition of the environment (bio-mineral and/or
I use metal halides... No actinics at the moment... But I had the same
experience under a PC 50/50 setup with blue and purple actinics in my
last tank's lighting setup. Is there some additive I'm likely
short of that would cause this?
<<Almost certainly this is the case>>
And if some sort of correction is made, am I likely to ever see the
<<Possibly'¦ You should start by examining the
friend's environment and husbandry practices of the system in which
the parent colonies are maintained. Query this person re any additives,
the specifics of the system chemistry (pH, Alkalinity, et al), even
down to the brand of salt mix and Salinity/Specific Gravity>>
Thanks in advance for any help on this...
<<Happy to share'¦ EricR>>
Strange Happenings/Xenia Health 10/16/10
hoping you can assist, I have a 150 gallon reef tank which was growing
Xenia and spreading throughout the tank at a awesome rate, all was fine
until the weekend when I was forced to remove a large Fox Face
Rabbitfish, for months he was fine and all of a sudden he began to bite
the heads of the Xenia. After removing him the Xenia appears to have
stopped growing, they are not as tall as they once were and they appear
to be docile or sleeping all day with the flowers staying small with
the odd one opening up , any suggestions would be appreciated.
<Xenia crashes can and do occur in colonies that have been doing
well/reproducing without any apparent change in conditions. Seems as
though they have exhausted some special element in the water that
do not know about. Is weird/strange. Quite often, after a meltdown,
Xenia will often come back within a few months as some tissue is always
What may help you more than anything is to slowly raise your salt level
up to 1.024-025 over a one week period, 1.016 is a little on the low
side for these animals. Have you recently added any aggressive corals
such as Euphyllia?>
Salt 1.016 <<Way too low. RMF>>
<You're welcome. James (Salty Dog)>
Re Strange Happenings/Xenia Health
10/16/10 - 12/7/10
Hello me again
with another Xenia issue which just occurred yesterday, two small Xenia
plants <plants?> separated from the rest of the larger group was
doing fine with some others, however yesterday morning they just died,
like dead, they shriveled up and the crabs are picking at them, not
sure what occurred??
<Mmm, read original thread again.>
The ones that died were right beside others and they appear to be ok
today, the rest of the main coral bunch appears to be fine, is there
something I can do to ensure this does not happen to the other corals??
The salt I have adjusted after your last recommendations to 1.21
<Mmm, I recall suggesting 1.024-1.025, look below to original
and this has help them to appear to be growing and thriving, I am doing
water changes every week about 5 - 10 gallons and have charcoal bags
hanging in the sump changing every 2 weeks, I am also feeding them by
syringe small doses of shrimp and they look like they are digesting
<Will not eat particle foods. I would discontinue the use of carbon,
see if that improves the health of your remaining colonies. It has been
said that Xeniids depend very heavily on dissolved organic compounds as
they are found in areas of high nutrient levels. The use of carbon will
remove a large percentage of DOCs thus lowering their food supply.
Overdosing of iodide/iodine will/can also cause problems with Xeniids.
May want to read the FAQs found in the header on various Xeniid
Thanks for your time