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FAQs about Lionfish Health/Disease/Injuries
7 Related Articles:
Lionfish & Their Relatives, Keeping
Lionfishes and their Scorpaeniform Kin Part 1,
Part 2, by Anthony Calfo and Robert Fenner,
Dwarf Lionfishes, Related FAQs:
Lionfish Disease 1,
Lion Disease 2, Lion Disease 3,
Lion Disease 4, Lion Disease 5,
Lion Disease 6, Lion Disease 8,
Lion Disease 9, Lion Disease 10,
Dwarf Lion Disease, & Lionfishes & their
Relatives, Lions 2,
Lions 3, Lions 4, Dwarf
Lionfishes,
Lionfish Behavior, Lionfish
Selection, Lionfish Compatibility,
Lionfish Feeding, |
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Radiata Health... using WWM 10/2/07 Hi WWM, not sure
who's replying today but thanks for helping out all us aquarists
with our 1000,s of questions each day, so I thought I would give you
about 10 more (literally). <In line... one at a time, please>
I have a 200 UK gallon tank (plus 50 gallon sump) that's been
running for a couple of years now. Spec (just before my weekly water
change so parameters should be at their worst): Nitrate 10ppm
Nitrite 0.2 <... dangerous. MUST be zero, zip, nada> SG 20ppm
<Mmm, no... not what you think you're measuring/stating. Likely
Nitrate... Specific gravity is usually stated in relative density or
ppt> Ph 8 Ammonia 0ppm I am going to re test these with my
new kits as the ones I am using are almost a year old. skimmer
Aqua Medic Turbo 2 taller version 25w sterilizer pumps Eheim
1262 x 3 for sterilizer and circulation Eheim 1262 for skimmer
water feed Ocean runner 3000 for skimmer air water mix Eheim
canister filter with some activated carbon 80w 5' T5 lights x 2
inhabitants: Snowflake Moray 1.5' Fox face rabbit fish 5"
<I see this fish/specimen. Too skinny> Radiata Lionfish 4"
<And this one... some sort of mucus involvement... might be Crypt>
Odon us Niger Trigger 5" Humbug damsels 1" ax 2 Wimple fish 3"
Emperor Angelfish 6" Yellow Tang 3.5" Monos 1" to 3" x4
Yellow Tail Damsel 1" x2 Bird nose Blue Wrasse 5" starfish x 2
The tank at capacity now or will be when they've grown. <Yes>
It has been quite stable and there is no outright aggression between
"inmates". First problem the Radiata has one slightly cloudy eye and
some white specs on its body just behind the head. <Oh yes...
trouble> At first I though it was white spot but they seem to be
in/on the mucus layer of the fish and slightly move with the
current. The fish was looking extremely pale in the mornings - this
was not usual as I have had him for almost a year from when he was
smaller than the humbug damsels. Although his colouring mostly
returned when he moved I didn't like the look of it so I gave him
some vitamins in his main diet of table shrimp and mussel. His
colouration is much better and his eye a little, but these white
marks wont go. They seem to be one or two mm in length as apposed to
the round dot of white spot. Some of the other fish have a cloudy
eye also that comes and goes: Wimple fish and the Fox face. What do
you think it is?? I have enclosed a pic <Don't know... but is
problematical. Lions/Pteroines do produce, shed a good deal of
mucus... compared with most all other fish groups... but this is too
much. Am worried, as I see you have the Starfishes... and most
causative conditions for the Lion would more greatly mal-affect
them...> Question2 I had a devastating case of White spot a
year ago and it wiped out all my fish except the Fox face and the
Yellowtail damsels. The Fox face miraculously survived but ever
since then he has been extremely underweight - see pic. He doesn't
seem as aggressive in his eating and doesn't really graze on the
algae as much as he used to. but he does eat and seem to get his
share. Any advice? oh and I do add garlic to their food once a day
and give seaweed in evenings. <This fish needs more/better
nutrition. Please read here:
http://wetwebmedia.com/rbtfshfdgfaqs.htm and the linked files,
particularly the article above> Question3 I found this ball of
gel with white specs in it this morning looks like an egg sack. Any
ideas as to what its from and is it safe? See pic. <Please see
WWM re invert. ID...> Question 4 I've had this starfish for
almost a year and still cant identify him any ideas? <Please
learn to/use the search tool, indices... This appears to be a
Protoreastor linckii...> He eats just like the African starfish
but is able to move much faster when he is ready and is more
aggressive. see pic thanks for all your time and help Lex of
London <BobF of San Diego... who entreats you to move this
Lion... to see if a less-aggressive setting alone will "cure it"...
Could be that the presence of the Trigger, Damsels... the less-than
ideal water quality... are causing it woe here> | .JPG) |  |
Volitans Lion Unable to Open Mouth 10/26/07 Good afternoon,
Crew. <The other ScottF> First off, I'd like to insert huge praise
of thanks (insert your own for individual, personal gratification) for
all of the work that you do for those of use who are ignorant or lazy
(some of us are trying to get better). <It's for you I endeavour>
Second, I have a Pterois volitans that as of two weeks ago stopped
eating. In closer observation, it appears that it is unable to open its
mouth. There are no visible injuries and no signs of illness but it is
most certainly stressed. Is there anything (other than time) that I can
do to get its mouth to start working again, or is there no help left? I
have read through all of our lionsfaqs but haven't found any solution.
<Perhaps a developmental disorder (genetic), or a trauma... You have two
choices... do nothing and hope for spontaneous remission... and
secondly; to try and open this fishs mouth operantly... be careful (hold
the spines in the dorsal, pectoral fins back, with a wet towel... if you
do this> Third, once the Southern California fires are out, who wants
to go out for a beer (or three)? <Here here, cough, hack...>
Regards, Scott F. (but not Wet Web's) <BobF, in San Diego with fab
lunar views...>
Green Lionfish with cloudy eyes Hi,,<Hello Robin!>my green
lionfish (Dendrochirus Barberi) has cloudy eyes .And I would like to
know what to do. I have had it for a little over a month. And it has
been eating live saltwater fish that I catch and krill. I changed my
water because the ph was high 8.8 It is now 8.4 nitrate 0 ammonia
0,nitrite 0,and nitrite 0 SG 1.024.Also the only time I turn on the
light is when I feed it. Other then that is dark with just a little sun
light. Please help ASP <Could be either a bacterial infection or
parasites, brought in from the fish you are catching and using for food.
This is something that you should refrain from. Purchase your food at a
pet store to avoid introducing parasites and/or disease into your
aquarium. Stop feeding wild caught fish to your fish and see if it
clears up.> Thank you. <Good Luck!! -- Brian Griffin>
Strange Wound/Marking On My Volitans Lionfish – 10/11/07 Hi,
My name is DeLana (first timer)! <<Welcome DeLana...Eric with you
this evening>> I have a Volitans Lionfish and just recently I
noticed that right above his top lip, all the way around, his skin
looks as if it has split open, showing raw flesh. <<I see
this...are you certain it is a wound/physical trauma and not a loss
of pigmentation?>> He is still eating good. <<Eating
what?...not live goldfish I hope... . Do have a read here about
keep/caring for these fishes:
http://www.wetwebmedia.com/ca/cav1i2/lionfish/keeping_lionfishes.htm
>> Have had him for 6 months. Not sure what is going on.
<<Neither am I>> Attached is the best picture I could get right
now. Thanks <<I would simply keep a close eye on things for now.
If diet and water parameters are up to snuff a wound/physical trauma
will likely heal on its own. Else...if a bacterial infection
develops the fish will require removal and treatment. Regards,
EricR>> Re: Strange
Wound/Marking On My Volitans Lionfish – 10/11/07 No, weaned
him from live food after I bought him. <<Excellent>> It is
definitely open wound. <<Okay>> I have been in SW tanks for
about 8 years and have never seen this. <<Some 30 years for
me…and neither have I>> Was looking online at pics of lionfish
and noticed that this strange look around the mouth was showing on
some other lionfish, but wasn't referring to any wound or disease.
<<Indeed…these/other fishes can lose pigmentation due to
environmental condition/insufficient nutrition. You haven’t provided
any information on the system/tankmates so I can’t even speculate as
to how this wound came about. Regardless, as I stated earlier…just
close observation for now. EricR>> | 
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Lion fish not looking so hot 7/21/07 Hello, <Hi there>
I will try and make this quick and to the point. A couple weeks ago
there was a ridiculously hot heat wave in Southern California. <I
recall> Well as luck would have it my air conditioner broke the day
before it hit. Without having a chiller I was screwed( sort of) I kept
bags of ice and fans blowing on my tank ( 170 gallon FOWLR aggressive
predator tank) despite my best efforts the tank reached 89+ degrees for
a day or so. <Wow! Even with your lights off and the top uncovered?>
Well I presumably lost my XXL porcupine puffer to the heat, and my xl
one spot fox face rabbit fish. I assume the heat did it since my tank
has been established and running very well for 1 and half years. No
deaths or new additions in about 6 months prior. The Puffer would sit in
the corner and breathe heavy and eventually faded in color and died,
same with the Foxface, but a couple days prior. The temperature since
has gone back to normal and my air conditioner has been fixed. My 2
triggers, wrasse, eel, hermit crabs and grouper are all thriving and
acting as though there never was a problem. My lion fish on the other
hand refuses( at least I don't see it) to eat now and hides most of the
time. It's "spikes" look crooked and all together the fish looks
pathetic. It use to swallow krill like there was no tomorrow. <Needs
more than this> I have offered it the krill, silversides, squid and
it stares at me like I am retarded. Could this be some sort of
parasite that came about during the heat wave and is slowly taking out
my fish one by one? Or just too much stress on the fish with the
temp change and it is trying to rebound? <Mostly this last> I
haven't seen it eat in about 2 weeks. Would it just die from not eating
so long? <Mmm, no... some lions have gone for months w/o feeding, and
resumed> I really will be upset if I lose another fish so soon after
not having lost one in so long. Your help and advise is greatly
appreciated. <Do take a read here:
http://wetwebmedia.com/lionfdgfaqs.htm and the linked files above.
Bob Fenner>
Lionfish... hlth., nutr. 9/4/07 Hi guys! It has
been a while since I last talked with you, but you have always given me
good advice, and I haven't been able to find exactly the same problem on
the Web site. I have a Volitans lion (Venus) that we have had for 2
years; she is about 8 inches long. She took well to hand feeding, and
will eat almost anything we give her. We give her silver sides about one
time per week, and the rest of the time we feed her either frozen or
freeze dried shrimp. <Too much fat in these foods... and nutrient
deficient...> A couple of times she has taken an entire cube of
frozen blood worms while we were trying to feed the other fish, but this
has not happened in over 6 months. She shares a 220 gallon tank with a
Rectangulatus trigger, a saddle puffer, a lemon peel angel, a scopas
tang, and a flame hawk. About a week ago the lion stopped eating with no
warning, and she has been listing to her right side. Her coloring is
normal, and her size has not changed, nor does her breathing seem rapid.
She seems to float to the top of the tank, and floats there either on
her back or on her side. She has no interest in food, and she seems that
she can only swim with her head pointed down; she doesn't seem able to
swim towards the top of the tank facing upward, she just sort of floats
there. We did a 1/4 water change, and tested the water, and all levels
are normal. All of the other fish have been behaving normally. I am
wondering if this is possibly a problem with her swim bladder?
<Caused by?> She has never shown behavior like this before, and there
have been no additions at all to the tank (fish or rock) in about a
year. She does occasionally try to swim down and sit there, but she ends
up floating back up to the top, and is usually on her side, and if I
open the lid part of her pectoral fin is actually out of the water
between the water level and the lid. She floats with her right side
down. I am not sure how old she was when we purchased her, but she was
only about 3 or 4 inches long at the time. Please help!!! (if you can).
I don't want to lose her, but I really have no idea what to do for
her, and it really seems like it is a struggle for her to even try to
swim downwards. We have not seen her really open her mouth at all in the
last week...at first I thought possibly lockjaw, but I don't think that
explains the strange floating behavior. Any suggestions would be greatly
appreciated. Thank you for your time in advance, and thanks to all of
you who counsel our fellow aquarists. Your site is truly wonderful, and
it's so great to have a place to go for advice and information.
Sincerely, Jennifer and Steve <I do hope your Lion spontaneously
gets better... with just time going by. It might have swallowed
something that is decomposing, producing an air pocket inside of it...
If it does resume normal orientation and feeding, I would take to
broadening the food menu... and soaking some of these foods in a
vitamin, HUFA mix (like Selcon). Otherwise, there is not much that can
be "done" here other than wait. Bob Fenner>
Lion fish behaviour/illness... nutritional def. syndrome/fdg.
8/8/07 Hi Crew, First I'd obviously like to thank you all for
having this phenomenal web site, it is definitely my primary resource
for just about everything I try to do with this hobby. <Welcome> I
feel that there likely is an answer already within your site, but I just
can't seem to put these pieces together well enough to be confident in
how I'd like to proceed.... So, to the point... (I'll try to spare
you as much of my novice speculation as possible, and just give you my
observations) I've had my Fu Manchu Lion (Dendrochirus biocellatus
with three eye spots) for just over a year, he is the sole inhabitant of
a 60 gal with about 80 lbs of live rock. There have been no attempted
additions to the tank or otherwise since my last addition of 15 lbs of
live rock 4 months ago. This tank is in the basement of my house. For
the first six months of his stay with me he ate gut packed ghost shrimp,
eventually he began eating freeze dried krill (vitamin soaked), but will
still eat nothing other than those krill (a fish of discriminating
tastes, he would actually spit out anything that wasn't krill) More
recently he won't eat anything at all. <... too likely an effect of
the restricted diet> I last fed him Monday of last week and while a
heat wave hit where I live.... The water in the tank rose to 83 over a
day or two's time <Should be fine> and when I tried to feed him
again he feigned going after the piece of krill, but then gave up. I
tried to feed him daily after that and he would still eat nothing.
Originally my take on it was that the rising temperature where I live
may have upset him enough to initiate this fasting... his tank normally
holds a temperature of 79 degrees. Unsure of how to handle the unstable
temperature, i tried to wait it out, hoping the heat would break,
knowing that fluctuations in temperature could be thought to be worse
than a slightly high temperature. (the water quality maintained itself
at 0 ammonia, 0 nitrite, 8.3 ph and around 15ppm nitrate [i know this is
high, i have been having significant trouble lowering it]) As of Friday
that week I started to get more concerned, as he really did seem
particularly lethargic and his belly was starting to look a bit more
concave than I'm comfortable with. there was no report of the temp
outside lessening, and the lion's colour became pale as well as his
breathing particularly rapid. In my own panic and haste I decided to
attempt to lower the temp by a degree or so by doing a 15 gal water
change with the new water being around 80 degrees. Now since he's a
rock clinger and I work long hours I can't verify if these next symptoms
were or were not present before hand.... but obviously if my guesswork
and recklessness had paid off I wouldn't be writing you, so what I can
tell you is through my observation after that point, he became more
pale, and within an hour or three he was seeming to be significantly
disoriented. He would try to swim and almost appeared drunk, like he
didn't know which way was up or where he was going. he was doing strange
loops where some of the time he was belly-up (which is very abnormal for
him). A little spastic and possibly even a bit twitchy. Luckily (or
unfortunately) before I could do any more damage, I had to leave for a
few days. I felt sick for having to leave him... but again, sometimes I
act rashly when faced with an unwell (or possibly dying) pet. When I
returned on Monday, I found him alive but looking disoriented, clinging
to his rock in an unfamiliar fashion (normally he sits with "purpose"
and doesn't look so vacant) and looking a bit unstable. (though he
doesn't appear blind... he reacts to my hand near the glass) On close
inspection his fins looked like they might have been rubbed a little on
the rocks, a few hours later I noticed that only the lower half of his
tail had been damaged, where some areas appear to be broken off
(honestly, if I had another fish int he tank I would think he'd been
chewed) The upper half of his tail looks perfectly normal.
Presently, he doesn't twitch his dorsal spines anymore, where he would
normally move them in a jerky wave pattern. He's still not eating or
trying to and I have not had any opportunity to watch him swim, but as
he shimmies from one rock to another, he still seems to be inclined to
lean to one side, and his "bum" or back half seems to hold less weight
than it used to... so, what i mean is he seems to have trouble holding
it to any surface. <Starvation...> I'm worried anything I do could
stress him more and I don't know what would or might do more good than
harm. I considered moving him to my Quarantine tank, <Not advised>
but I thought a 15g would be more likely to fluctuate with the
temperature (if that's even the problem) Also I have a new fish in
the Q tank, an Amblygobius phalaena, 3 weeks into his quarantine and
perfectly healthy (as far as I can see) Eating ravenously, and not being
affected by these same temp. fluctuations... In everything I have done
with his quarantine I have paid great attention to not allowing direct
or indirect contact between the tanks (as a side note). <I would
place this fish with the Lion> I don't know how to proceed from
here... My biggest concern is that I can't put my finger on any one
thing that might be wrong (or at least connect it to anything I have
read in your lion faq's) and am ready lo listen to whatever scolding I
need to get to the root of this problem and understand what I can do to
help him get well. Tell me what not to do, tell me what to do.... and
maybe tell me what I can do in the future about my summertime
temperatures... Every fish is a beautiful and amazing one, and Fu
really is to me. If I had an equivalent of a Merck Manual of medical
info for fish I swear I wouldn't be bothering you, But I really Do
appreciate you help for and patience with someone I'm sure you might
view as an absolute ninny. I hope some of what I've noted will help you
help my fish. Sorry for talking you ear off. I was just trying to
give you all the info I have and explain myself in the process. Thank
you once more for all of you expert knowledge and help. -Liz <Am
hoping that the addition of the other fish, its feeding behavior will
spur your lion on to resuming feeding... I would try some live ghost
shrimp... and add some vitamin/HUFA mixture (variously sold as
commercial prep.s in the hobby) to the water the shrimp were in for a
good fifteen minutes before offering... to stimulate appetite as well as
possibly supplying needed nutrients. Bob Fenner>
What might be valuable information for worried lionfish owners.
Ridiculous mis-mix of fishes in a too tiny system 7/21/07
Dear Crew; I have been in the marine world for 7 yrs. and have kept a
variety of tanks, systems, and livestock in that time-what prompts me to
write this letter to you is a condition that just showed up on my black
volitans lionfish," boo".{yes, after the ghost, as he thinks he is very
scary} <... Where are the spaces between your sentences?> "Boo"
eats like a champ, is quite active, and loves attention of any kind,
especially being handfed an assortment of seafood; he lives in a 37
gallon tank <Much, MUCH too small for what fish life you list... Even
the Lion alone needs more room than this> that has been established
for 4 yrs. with consistent levels in the normal areas, although I keep
my salinity at 1.026,and my temp between 78 and 80 degrees; his
substrate is 4in.aragonite sand mixed with crushed coral shell, and
approx.20-30 lbs. live rock; his tank friends which all get along} are a
dogfaced puffer{4in}, <Could be trouble...> a green wolf
eel/goby{16in},and a undiluted trigger{2in}. <Is trouble...
Mis-mixed here with a Lion> Last week I did a 50% water change,
<Too much for routine maintenance> along with a detailed cleaning,
which I always move the fish into a big container until the tank is set
back up to standerd,with no changes except fresh water and salt. Two
days later," boo" was acting very "drunk", not eating, and looked like
he had been in a war; his tail fins were choppy, the base of the tail
looking wounded, and his main fins seemed to be "shreding"themselves
back towards his body. this aspect became more severe within 72hrs.}
I have never seen anything like this before, so "boo" was moved to a
fresh hospital tank{cycled}located in a "quiet and dim lit room, and
observed a few times daily. I read on your site letters from several
lionfish owners that had the same "shedding" condition, and a few that
had the "drunken"condition;now what I was wondering is these two
conditions related to the normal shedding stage, or are they separate?
So far,"boo"has made a few lazy lunges at food, but not ate; he does
have a area to hide in, and the tank is well filtered and aireated;he
spends most of his time on the bottom, or perched at odd angles on rock;
he does seem to be a bit less "drunk", and has started making mean faces
at me again. I think my actions are correct, and that the two types
of symptoms he displayed are related-do you think this to be accurate?
Is there anything else I can do for him, or rectify to speed his
recovery? Any input from you will be most appreciated, and I wish you
all continued success. Sincerely, Remington Cain <Your problems
are not using a grammar checker, and environmental... This is an
untenable mix of species in too small a volume. Please... learn to proof
your English before sending, and read re the "Systems", "Compatibility"
of all the species you list... and move these fishes to another, much
larger world... And leave out the Undulated Trigger here... Bob Fenner>
Lionfish sick, No data 7/17/07 Hello, <Hi there>
Please help my wife an I figure out what is wrong with our Volitans
lionfish. We have had him for over 6 months, in a established 75
gallon tank with 100 lbs of live rock and adequate filtration. He has
grown a lot since we got him. <What do you feed this fish?> He
lives with a Huma Huma trigger <Mis-placed here... could be a/the
root of the problem> and a Foxface, an urchin and some soft corrals.
Within the last week or so his behavior has changed dramatically. He
stopped eating. He would swim facing down all the time and dart about
suddenly and erratically. Then all of a sudden he wedged himself behind
some rocks. he has been there for a few days. I attempted to move him
out tonight, and noted that his fins had become extremely frayed. Its
almost like he is ramming himself into the rocks. I am afraid he is
dying, or will kill himself. After doing some research, I realize we
have not been feeding him the best diet, frozen shrimp mainly, <...
very likely a factor...> but I don't think this would have caused his
sudden downfall. <Could cumulatively> I did have a problem with
ICH a few months ago, but that cleared up, <... how?> and all
residents of the tank have been very healthy until this. Water
quality is good, <... what does this mean qualitatively?> I change
the water fairly frequently. What can I do? My wife and I are very
distraught. Thanks, Daniel <Like a presidential speech you've
presented a lot of words w/o saying much... Please read here:
http://wetwebmedia.com/marine/fishes/index.htm Scroll down to the
Lionfishes... tray... re Systems, Feeding, Disease... Bob Fenner>
Lionfish Fins 7/5/07 Hello, i am writing today to ask
questions about 2 of my current tank inhabitants. The first question
is in regards to my Volitans lionfish whom we have had for roughly 6
months. He is in a 90Gal tank and the other inhabitants are as
follows (one of each) dog face puffer, <Misplaced with the Lion>
pearl tang, <What is this? Scientific name-wise> yellow tang,
white faced scorpionfish, Foxface and 1 hermit crab. The lionfish
has recently been developing holes in his fins which grow so large
that the hole in the fin actually creates a separation from the rest
of the fin and on his other fin it appears that the fin itself has
just been deteriorating. Will these heal up or stay separated like
this? <If conditions... crowdedness, stress, nutrition aren't
improved, the latter or worse> We have tested the waters and all
of the levels are in a ok range although our salt level is a bit low
at 26PPT but we have been slowly adding salt each day to get the
levels back up into the ok range (we were told anywhere between 28
and 34PPT was good) My other question is in regards to our
Foxface who seems to have either been nipped good by another tank
mate or cruised full bore into the live rock, honestly not sure
which it was but the skin on his nose is pretty torn up and since
we're just getting our quarantine tank up again am just wondering if
i should move the Foxface to QT or since he doesn't seem to be
bothered by any of his tank mates should we just let him heal on his
own? <Better to move this fish to another setting... likely was
nipped by the Puffer or poked by one of the Scorpaenids> P.S i
regret that the Foxface's pictures aren't that clear but he was a
very hard fellow to photograph unlike our very photographic lionfish
who loves to be looked at and will even try to spit water at anyone
who opens the lids for any reason! <Neat!> RedFox187
<Please read re the "Compatibility" and "Systems" of the species you
have here... on WWM. Bob Fenner> | 
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