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FAQs on Shrimp/Watchman Gobies Disease/Health
Related Articles: Shrimp Gobies,
Marine
Scavengers, Alpheid (including Shrimp)
Gobies,
Related FAQs: Shrimp
Gobies 1, Shrimp
Gobies 2, & Shrimp Goby Identification,
Shrimp Goby Behavior, Shrimp Goby
Compatibility, Shrimp Goby Selection, Shrimp Goby Systems,
Shrimp
Goby Feeding, Shrimp Goby Reproduction, &
Alpheid
(including Shrimp) Gobies, True Gobies, Gobies 2, Goby
Identification, Goby Behavior,
Goby Selection,
Goby Compatibility, Goby Feeding,
Goby Systems,
Goby Disease, Goby Reproduction,
Amblygobius
Gobies, Clown
Gobies, Neon
Gobies, Genus
Coryphopterus Gobies, Mudskippers,
Sifter
Gobies, |

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Spot on my yellow watchman goby –
5/3/08
Hi, first of all I have a 36 gallon aquarium that has been up and
running for almost two months now. About a week ago I bought a pistol
shrimp and a yellow watchman goby for the tank. The watchman goby did
not have any visual defect when I received him, but now there is a spot
on his right
pectoral fin that looks as if something has been picking at it. The only
thing that I've seen messing with him is my cleaner shrimp, but I assume
he
was just picking off parasites as the goby did not seem to mind. He also
has one small white spot on the base of his tailfin, but I don't know if
it
is ich or not.
<Doubtful>
I've included some pictures to help out with identifying what this spot
is. Being he is a watchman goby, he spends most of the time
under rock in caves he and the pistol shrimp have made in the sand. I do
not believe that I would be able to remove him to my quarantine tank
without removing the 45+ pounds of live rock first, which seems like too
much of a hassle. Any help is greatly appreciated. Thanks, Chris
<Nice pix! The larger marking appears to be the recovery site (bruise)
from a physical trauma... the white spot... "nothing to be concerned
about". I would exercise patience here. Bob Fenner> |
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Diamond watchman goby...
hlth. 04/11/2008
Hello!
<<Jacy>>
I have a 29 gallon salt water tank, established for 2 years. I have a osc.
clown, skunk clown, 2 PJ cardinals, 3 chromis, a 7 line wrasse & my
diamond watchman goby.
<<Wow, a heavy bio-load for a 29 gallon>>
All appears well in the tank except for the fact that
the goby seems to be bruised around his mouth (specifically his upper lip, only
on one side). He does dart around very quickly to eat & does bash into the
aquarium or the live rock from time to time. Also, we have noticed that the
chromis have begun ganging up on him. Could it just be a bruise or perhaps
something more serious?
<<In such confines, this will be caused by an act of aggression.. bruising or
abrasion>>
He seems normal, is eating well & sifting the sand, & moving things around in
the tank. Your thoughts please!
Thanks! Jacy
<<Do please conceder a larger home in the near future Jacy, your livestock will
thank you for it. Regards, A Nixon>>
Cloudy Eye on Watchman Goby -
10/8/07
Hello All! <Hello there, Brian!> Thanks for all of the EXCELLENT info!!
<You’re very welcome!> I have recently added to my 90g FOWLR (after Q) a blue
spot watchman goby <Neat fish> who has developed a cloudy right eye over the
last two days. His hidey hole is in close proximity to a pesky Aiptasia, do you
think he/she may have been stung by it creating the eye ailment? <It's possible>
I have several other fish <Have they shown any signs of aggression towards the
goby?> that show no signs of this problem and my water params are stable/ideal,
can you please help clue me in on what direction to take?
<Does sound like some sort of physical trauma rather than a water quality issue
(since it’s only in the one eye). I would monitor, keep water conditions
pristine, and make sure this fish gets plenty of good quality/enriched foods (a
vitamin supplement, such as Selcon, would be good here). Hopefully, he’ll be
better in a couple of days!>
Thanks!!! Brian
<My pleasure, Brian -Lynn>
Re: Watchman Goby not acting goby like 6/6/07
Thanks so much...
<Welcome! You're quick!>
I only have a small perc clown and a PJ cardinal (also small) in the tank.
Two hermits and a turbo snail.
Everything just ignores him.
<Sounds good.>
I only disturb their lifestyle to feed, and occasionally replace pieces of
coral that the snail decides to rearrange.
I apologize for the timing.
<Just bustin' your chops.>
He was in QT for 9 days and then has been in the display tank for two weeks
(it always helps to check the calendar). I followed the directions on the
Maracyn, which was to dose for 5 days. After the 5 days, I replaced the
carbon filter and let him hang out for 4 more. I usually QT for two weeks,
so this was coming up just short of.
<If time isn't a problem, I would QT for longer. I also advocate treatment
(which includes observation after symptoms fade) lasting 3-5wks.>
I only started trying to persuade him to move in the past day, because I was
worried, and wanted to see what his response would be if I tried to move
him.
<Understood.>
I would take him out and treat again with Maracyn, but I am afraid of
overstressing with another move.
<Probably the right move, here. Why risk more stress with a move to a less
favorable site? Let's just watch and wait and consider what we see. I should
ask, how large is this setup? Is it configured to be conducive to watchman
goby burrowing (soft sand, caves, etc.)? >
Thanks again for the advice and quick reply.
<Thank you!>
If you have any other suggestions, I am always up for great advice :)
Thanx!!
Rachael Moore
<Have you tried switching your car insurance to Geico?
-GrahamT>
Re: Watchman Goby not acting goby like
6/6/07
Either you have only a few interesting sick fish questions, or this is
the best sick goby question ever... I can't believe the response time.
<Maybe all the other Q's were out of my league, or maybe I have a thing for
gobies. Actually, I had a feeling your system was small and I can relate to
the "need" to throw the fish into the display and "see what happens".
Fortunately for my service accounts, and my fishies, I got over it.>
Incidentally, I switch my car insurance every month, just so I can go back
to Geico. (If only I liked Australian geckos that much:))
The setup is small...
20gal cube, 3in sand bed, 15 lbs live rock, several corals (hammer, torch,
zoanthid, bubble, star polyps, xenia, Acropora) small powerhead,
hang on AquaClear filter... that about covers it. Not anything horribly
impressive, but I thought it would be a good goby home.
<We'll wait and see how it turns out, but these gobies are usually happier
with a little more space. They do get larger than a 20g will comfortably
accommodate...>
The next step was going to be to wait a month or two and add a pistol
shrimp, but if I don't have a happy goby... that idea is out.
<You also never know if the pair will, well, pair.>
Don't worry about the chop bustin...I have to work at being patient. I still
have a way to go.. so you weren't far off in your bustin :)
<Good luck!
P.S. You might try a different test kit or bringing some water to your LFS
for corroboration (sp?) on the nitrates. Your bioload is rather high...>
Thanx!!
Rachael Moore
<-GrahamT>
Dilemma with blue spotted
watchman goby 6/4/07
Two nights ago, my blue spotted shrimp goby began acting very strange or
sick, and yesterday became pale. He has been very interesting and healthy in the
two years I've had him. Never one problem. He is paired up with a pistol shrimp
and they are quite amazing to watch. The other night the goby was slumped over
in front of the main tunnel of the cave. He looked wore out I did not think he
would make it through the night. This came on out of nowhere. The next day, he
was outside the cave with the shrimp as usual, but unresponsive to any movement
outside the tank....very unusual.
<... What is influencing this fish?>
He does not seem anywhere near lethargic as he was, but still seems pale. Last
night after observing him for hours, he seems at times to remember the cave
openings, goes to them, then becomes disoriented. He acts as if he knows where
he is, then moments later, wonders to a part of the bottom of the aquarium as if
he is looking for the cave opening, but it's nowhere near there. He remains at
this time dwelling slowly about. He never left his shrimp's side; now he is
wondering far past the shrimp and goes in circles as if confused or blind.
Generally when you would come close to him he would swim swiftly into the cave,
and at times you could go right up to him. Right now you can be right up to him
at the glass and make many quick movements and he does not flinch. Is it
possible that he went blind and if so how? Can you please help with any
information as to what could be troubling this healthy interesting goby? Thank
you.
<I wish I could... is this "old age"?... Are there other fishes present? How are
they behaving?>
I did try every option possible for seeking an explanation on the website.
Nothing came close in FAQ or chatrooms. Registering on the site was unavailable
also. I really need help.
Cindy R
<The "usual", S.O.P. of water changes, testing, food supplementation, possibly
use of chemical filtrants is about all I would advise here. Bob Fenner>
Re: Dilemma with blue spotted watchman
goby 6/6/07
Bob,
<Cindy>
Thank you for your reply. In addition, let me add this; this Goby, other
than being blind, has an excellent appetite, and acting more like normal,
short of his eyesight. Water is checked regularly, and all parameters are
good. Other fish are doing excellent. Diet is the same it's been for the
past 2 years: Mysis shrimp, diced shrimp, scallops, and brine. We believe
this goby is approximately 3 years old.
<This is about as long as this and related species (congeners) live...>
No one has heard of such a condition, but it has become obvious that he is
blind. Under close inspection, at certain angles, his eyes have a glaze or
cloud of some sort. We are wondering if this is old age, since everything
else is in great condition. Thanks again for your help.
Cindy
<I do think you are correct here re "cumulative genetic defects"... aka "old
age"... BobF, feeling older>
Blind banded high fin shrimp goby
Hello!
Thanks in advance for your help.
<Welcome>
I have had my shrimp goby for about 8 months now and he has always hidden in the
live rock and darted out to eat.
<Generally what they do... in the wild and captivity>
On several occasions, he darted out and looked as if he had difficulty finding
his way back in the hole. He would bump
into the rock repeatedly trying to get back in. Now I believe he is completely
blind. I did not see him coming out to eat and then I found him just hanging out
in the open, not reacting to any of the other inhabitants unless they touched
him.
Lucky for him, all the other fish are peaceful. I scooped him up with my hand a
placed him in a shallow glass bowl on the sand (with sand and live rock rubble
inside) to keep track of him and I have been hand feeding him for 3 days now.
He eats like a champ if I stick Mysis right in his face. Other than acting
blind,
he looks perfectly normal. Ever hear of this before? Any ideas on treatment?
<Mmm... have heard of these "blindings"... likely nutritional in origin
(avitaminoses)... but could be a pathogen at play... perhaps something
environmental... A cure not likely>
His eyes are perfectly clear and all my other fish are healthy. He was the last
fish I added 8 months ago. The tank is a 54 corner reef with a sump and
refugium, 50 lbs of live rock, and a 2 inch sand bed. My water parameters
are fine. The other fish are a flame angel, yellow wrasse, black and white
ocellaris, and 3 Chromis. I also have a fire shrimp and a cleaner shrimp. I
usually feed Mysis and occasionally Cyclop-eeze, flake, or blood worms. I was
wondering if it could be some sort of nutritional deficiency.
<Yes, this is most likely... You could/might try reversing this with soaking
foods in a vitamin/HUFA mix like Selcon... Please see WWM re.>
Thanks so much for your time. I look forward to your answer.
Angela Collison
<Bob Fenner>
Shrimp Goby
Quick question for you guys in regards to fish 'breathing'. I
noticed my clown fish don't appear to 'breath'... as in you can't see their
gills move while they swim around. However, I noticed yesterday and
today my Spotted Prawn-Goby (Amblyeleotris guttata) breathing quite
rapidly. You can see his gills really working. The goby
has spent the last month with only half his body visible the other half under a
rock or in a hole etc. I can't remember if I could see his gills
working away in the past, but now that he is more active and swims around
more... I have noticed him breathing quite quickly. He still feeds
very actively and will scamper under a rock really fast when my Coral Banded
Shrimp gets near him. Is this something to worry about?
<No! I wouldn't worry. Prawn-Gobies are little tiny fish. I'm sure the rest
of your fish must look like whales to him!>
Do Spotted Prawn-Gobies breath quickly???
<Some fish respire very fast others not so fast. In general, the smaller the
fish the quicker the respiration, I have a Salaries fasciatus that breaths
unbelievably fast...and always has>
I just checked my water last night. pH 8.2, no traces of ammonia,
nitrates, nitrites, temperature has remained constant over the last month at
around 77F, water salinity is 1.021. I did have a small battle with
ammonia over a 5 day period almost 20 days ago but the goby seemed fine all the
while.
<Let's solve the problem that caused that last ammonia spike. Ammonia spikes
can and will cause all sorts of unpredictable problems with your
livestock...even long after the spike is over>
My clown fish are fine and my shrimp and crabs are fine. Also of
note, there is no discoloration with my goby.
Am I being too paranoid or is this just the way the fish is?
<Maybe a little too paranoid. Hard to say knowing that you've been dealing
with ammonia troubles. I would definitely solve the source of the ammonia>
Dave
<David Dowless>
Sick orange watchman goby? No
Hi,
I don't know if my Orange Watchman goby is sick. I just noticed his behavior is weird. He just sits under a rock and doesn't move around
all that much. He used to be active digging holes, etc. but now he just sits under this rock and when I feed the fish he does go out and grab
food. Today I saw that he grabbed some food and went back under his rock and it almost looked like some of the food went through his
gills/sifter part of his body. Is there anything I should do?
<Not abnormal... this is how this species sieves food from substrate>
This has been going on for a few days and I just been observing. Should I worry?
<No>
What do you think it is? I added some new live rock and a Niger triggerfish to the tank maybe 2 days ago, but it seems to go back
further than when I added the new stuff. Thanks, Kristofer
<Keep your eye on the trigger... the Goby is a much more peaceful, passive animal... Bob Fenner>
Watchman goby dead!
Hi,
I came home from work yesterday and saw my orange watchman goby dead at the bottom of the tank,
h is mouth opened like he was screaming in terror! I was so sad, but I have no idea how he died or what caused his
death.
<Mmm, the gaping mouth... may have nothing to do with the death>
I didn't notice any lacerations or bites or anything on him because I suspected the
Niger triggerfish (that's probably 2 weeks old now) killed him, but could it have been just a life cycle or something of goby fish?
I mean how long do they live?
<At least a handful of years>
He's probably been in the tank for almost 2 years now. He was one of the coolest fish in the
tank. Please let me know. Thank you!
<I'd rule out an environmental cause... like low oxygen... as your other fishes weren't affected... But don't know what might be the cause here. Bob Fenner>
- Watchman Goby Missing Lower Lip! -
Hi everyone,
This is my first time posting here. I'm quite new to the saltwater hobby and can
honestly say I'm obsessed. I've been having a watchman goby for about two weeks
now. I've noticed that his bottom lip is deteriorating and his jaw bone is
exposed. He seems to be eating from what I can see.
This is what my tank consists of: I have a 75 gallon with live rock and live
sand. Occupants are: Percula clown, pygmy angel, yellow watchman goby, blood red
shrimp, pistol shrimp, seven hermit crabs, ten snails, sand sifting star,
cabbage leather coral, elephant ear shroom, long tentacle plate coral. My tank
has been running for over three months now. Water quality and salinity is
excellent. I had a mimic yellow tang but it died two days ago from blood spots
according to LFS. LFS gave me Erythromycin to put in tank, but I'm not sure if
that is a good idea. <It's not... best to administer that stuff in a quarantine
tank - will kill your biological filter.> I am running a wet/dry filtration
system with an overflow box. A Seaclone protein skimmer and two Maxi-Jet 600
power heads. I introduced goby a month after yellow tang. Could the goby have
passed something on to my tang? <Well... spots like you describe are often
bacterial, and so yes that can affect other fish in the tank.> Any advice is
greatly appreciated. <Consider removing your remaining fish to a bare quarantine
tank - you can put in some pieces of PVC for places to hide and treat with the
Erythromycin there. W>
Thanks,
MICHELLE
<Cheers, J -- >
Cryptocentrus leptocephalus - Pink Spotted Watchman (Shrimp) Goby Question
- 03/11/2006
Hi - First off I want to thank you for all the great reading information.
I've learned more in 2 days of reading your posts then I would have learned in a
month from any other site I've seen! I'm not exactly sure how you have your
site setup though when it comes to questions so if I should go through another
method to request help please let me know.
<Mmm, nope. This is it>
I've researched what I can to find the species names (hoping it would make it
easier)
<Appreciate this>
I've stumbled into your site while looking for information on worms and my god I
never thought there would ever be so much information on worms. (I've recently
discovered bristle worms and two other species that I'm trying to
identify). But that's not exactly what has prompted me to look for some help or
advice. Actually it's about my goby that I've had for many years 3-4 now. From
the very setup of my 90 gallon tank he has been by my side very healthy, active
and always "around" sifting and basically doing his thing. The past week or two
he's suddenly started to get sluggish and today he's staying in his shell that
he claimed from the day he landed (ha ha)
into my tank. Actually he's been staying in it more and more as each day has
passed. I don't want to start going crazy with anything (fearing
something has gone astray with my tank) so I've been trying to find something to
determine if it's possible if he's just getting old now. One
other important note is that I have another fish a Royal Gramma Basslet (Gramma
loreto) that has also become slow, but he only started acting this way when he
started getting attacked by my Neon Dottyback (Pseudochromis
aldabraensis). Originally they got along fine for 5 months then suddenly they
started battling over territory.
<Very common twixt these species, families... similarly shaped, resource
using...>
I also have a wide variety of fish from an angel - clown - tang - fire shrimp -
clown goby - Hawkfish -
<Surprised the Hawk hasn't consumed the shrimp...>
others mentioned above and maybe one or two I'm forgetting. (trying to give a
little more info on the situation in the tank). With all this in
consideration should I be worried about the sudden change in the goby?
<Such behavioral changes/observations are always a source of concern, input>
Is it that he's nearing his natural life span? Or do you think I might have
some unknown problem in my tank that I have yet to determine?
<Best to watch all livestock, keep monitoring water quality... When, where in
doubt, water changes, the use/replacement of chemical filtrants, abatement of
supplementation are good considerations. Bob Fenner>
Thank you in advance
Anthony
Watchman Goby Beat Himself Up? 4/30/07
Bob,
I would like to share something unusual that happened with my Yellow
Watchman Goby (Cryptocentrus cinctus) last week, as it may be
helpful for others to see a picture of this phenomenon, and of
course am curious on your take on his situation.
Last Saturday evening, I placed a new piece of liverock in my tank
after it had been quarantined for a few weeks. On Sunday morning,
Watchman popped out of his cave for breakfast, and looked
awful!! He had a huge blood-red mustache! (coincidentally the same
color of the vestiges of BGA that are still lingering in my tank -
although definately declining - slooooowly).
So after determining that he did not in fact have a smear of algae
on his face, we got concerned. He is a senior citizen in my tank,
and I get nervous if anything is amiss with him, he has been such a
fascinating fish.
He is 9 years old, and 10 years is the highest estimate I have seen
anywhere for their lifespan.
He had no signs of disease, was behaving, eating, and breathing
perfectly normally. Actually, he seemed braver and hungrier than
usual, since he has been extra shy since adding the newest fishes a
couple of months back.
Anyway, back to his bruises, bright red, under the skin, no scrapes
or external damage apparent. You can see in the photo that his
iridescent spots are still visible on top of the bruise. Just bright
red blood pools above both sides of his mouth. It was a little
darker on his left side, but very symmetrical in pattern. I could
only surmise that he had bruised his face, maybe banging into the
side of his cave as I moved the rocks above his roof.
I could only find one reference to this possible problem at
www.nationalfishpharm.com under "changes in color". They mention
possible bruising around the mouth due to fighting or intensive
spawn site cleaning.
Everyday his bruises have gotten less scary looking. The first
couple of days they turned more brown rather than red and now have
faded to a slight shadow, that would not be noticeable if I weren't
looking for it. He continues to eat and act perfectly normal.
Do you think he could have banged his own head hard enough to do
this?
<Possibly>
The only other possible culprit is the Mithrax crab who was marching
around the perimeter of the tank uncharacteristically the same
morning, also apparently disturbed by the new rock that I put right
in his normal territory (again, right above the goby). I find it
hard to believe that the crab could have pinched him so perfectly on
both sides of his face, and think that a head on collision would
create this pattern more likely. And really the crab's claw is not
big enough to fit the goby's entire head into.
<Mmmm, well, Mithraculus spp., esp. at size, can be predaceous...
perhaps it was involved... indirectly... in "scaring" your Goby...
causing it to dash about injuring itself>
Thought this might be a good photo for others to see if they ever
run into this problem.
Thanks!!
Alex
<Thank you for sharing. Bob Fenner> |
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