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FAQs about Filefish Identification
Related Articles: Filefishes,
Related FAQs:
Filefishes,
Filefish Behavior, Filefish
Compatibility, Filefish Selection,
Filefish Systems, Filefish Feeding,
Filefish Disease, Filefish
Reproduction,
Filefishes eating Aiptasia, Oh,
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Filefish ID Hello, <Howdy> I recently bought a red tail
Filefish and was curious about one thing. Of all the red tail filefishes
I've seen on the internet, almost all of them are either red or
yellow-orange in body color (not the tail). The one I bought is blue
with a red tail. Is this normal? I've done a search all over the
net and did not see any blue red tail filefishes. Was it mislabeled?
Much Thanks. Michael <Mmm, this is likely Pervagor
spilosoma... and some do look more blue-bodied. Take a look at
fishbase.org re this species:
http://www.fishbase.org/Summary/SpeciesSummary.cfm?ID=4373&genusname=Pervagor&speciesname=spilosoma
Click on the one image shown and this will take you to all the pix they
have to display. Click on Google Images on fishbase.org there for even a
few more pix. Bob Fenner> Delicate File Fish, Orange Spotted
Filefish Question <HI, MikeD here> Hello, From the first
day I began my salt water hobby I always wanted to keep the orange
spotted filefish.<Neat fish, very common here> <<Umm, there is an
identification difference going on here. MikeD is referring to a species
in the tropical West Atlantic, and the querier is speaking of a
Pacific...
Cantherhines macrocerus and Oxymonacanthus longirostris
respectively. See
http://www.wetwebmedia.com/filefish.htm. RMF>> But
after researching I found that this was a very difficult animal to care
for.<Not really, just not often offered for sale> One year into my
hobby my want for it has risen and I have decided to make a commitment
to getting at least one.<OK. They are another personality fish> For
the tank that it would live in this what I plan to have. Tank. 10
gallon<Problem #1...too small for all but a tiny juvenile. These are
active, like little "mini-triggers" Lighting. Fluorescent
compacts. at least 200 watts)<not a problem> Rock and Sand. 5- 10
pounds of Vanuatu rock. 10- 15 pounds of live sand.<That part's good>
Water Circulation. A couple of small pumps<OK> Heating. Brand
which I have forgotten the name of.<As long as it works> Filtration.
I plan to get a skimmer so that will be in the next month or so. Also
here is where I will need your help. What kind of filter would you
recommend for such a small tank.<One that holds less water than the
tank!**grin**> Corals. A mixture of Acropora corals. I plan to
grow the Acropora in my refugium on my 75 gallon tank along with the
coral in the ten gallon.<AND here's problem #2. Many filefish just love
SPS almost as much as they do anemones!> SO how does this sound and
am I leaving out anything? Please tell me if I am because I would like
this to be a challenging yet not a killing change of path.<My suggestion
is at least a 55 gal. tank w/o corals unless they are planned as live
food. Sorry, but those are the facts. Just the facts. Badge #714>
Re: Delicate File Fish <Hi, MikeD here again> I only plan to
keep on filefish would that be okay in the small space. And yes the
corals are for live food.<Sorry about the previous mix up, but I'd JUST
seen the Atlantic OS Filefish offered for sale for the first time just
before reading your earlier questions. In regards to O. longirostris,
sadly these are another little beauty that is best left on the reef, and
can be difficult even for public aquariums willing to spend thousands to
house them. Even though small I doubt that you could supply enough live
SPS to last very long as their hummingbird movements belie a similar
metabolism to the little bird counterparts as well. I can truly
understand their appeal, but it's usually one that always has the same
outcome in a home tank, with another living gem snuffed out in the
process.> Valentini mimic filefish 4/5/04 Connie here
again. <cheers my friend> I see that Mary M. has a Valentini
mimic filefish on hand and I am wondering if I could put him in with my
current residents in my 60 gal. tank. <hmmm... they stay small
enough (unlike many filefishes which get way too large for even big
aquaria)... but they are/can be nippy to both inverts and fishes> I
have two b/w clowns (1-1/2 and 2 inches) an arrowhead wrasse, about 1
inch, a boulardi wrasse 4 inches and 2 flasher wrasses, each about
1-1/2". I just have mushrooms, no corals, LR an DSB. I have always
wanted one but somehow with all the various wrasses it seems like a
strange combo. <agreed> All of my fish are peaceful,
non-aggressive guys and DSB finally in good condition. <very good to
hear the DSB is back on track! Back to the file, though, do resist...
they are just too nippy for most community fish or reef aquaria. Under
the best of circumstances, they will still be too slow to compete with
faster swimming community fishes like your wrasses for food> Best
regards to you. Saw Cheri again today which reminded me of your visit.
Connie <keep well my friend... Anthony> Blue
Eyed Filefish Greetings, Your site has without doubt, been my
best source of information. I recently purchased an interesting fish
that I'm having difficulty identifying. It was sold as a planehead
filefish (they did state they weren't 100% sure of its identity).
<Stephanolepis hispidus?> After sourcing information, it looks
completely like a seagrass filefish (leatherjacket) except for the fact
that it has bright blue eyes. I can find no picture or literature on
filefish with blue eyes. Is there a blue-eyed file fish to your
knowledge? Thanks, Elizabeth Turner <There are some monacanthids
with blue eyes... though my pics don't show them well
http://www.wetwebmedia.com/filefish.htm . Maybe give a look over the
images on fishbase.org for this family's members... and their handy link
per species to "Google Images". Bob Fenner>
Any idea of the Identification? Hi Bob, <Hello John>
I ran across you on the WWW and your excellent review article on
File Fish. <I see> Anyway I collected the attached in the
Los Cabos area of Mexico and have been struggling with the
identification. Initially I thought it was a Blunthead
Triggerfish, Pseudobalistes naufragium, but now think it might be
some kind of File Fish. Do you have any ideas or can you point me
in the right direction? <Is a monacanthid... from body shape,
single dorsal "trigger"... definitely not the Blunthead Trigger...
have seen both in and about the area... Looks like an Aluterus
scriptus to me. A neat, though large for aquariums species found
circumtropically. Appreciate any help you can provide. John
T. Snow <Wish we were diving there right now! Cheers, Bob
Fenner> | 
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Bob, Thanks for the phenomenal information in such a timely
fashion. I ran a Google search of Aluterus scriptus and know you
are "spot on." <Ah, did you see any live specimens?> Right
now I am spending 1/3 of my time in the Los Cabos area, left there
two days ago, and wish I was back there already! My collections are
all done via hook and line. <Neat... have spent about two years
total all over Baja, many times in and along the corridor. Would
like to get down there with some shell-collecting friends> What
I am working on is the Fish I.D. section of Mexfish.Com with my
friend Gene Kira. We are currently conducting a "once over" of what
we have on there before I add more species to the presentation.
<Sounds like a great project... was surprised this last year to have
a friend in common (Paul Kanner) tell me of the how of Alex
Kerstitch's demise... am sure you have seen his work in your field>
I collected the fish we are discussing and took the photo about 4
years ago - you will see it as a Blunthead Triggerfish on
MexFish.com at present. However my skills and abilities in the fish
identification area have increased significantly and I quickly
realized that I had this one WRONG. <Naufragium is...
unmistakable... especially as full size adults! They steer clear of
divers... and are not nearly as common as "sopa" fish as the
Finescale...> Thanks for sorting it out for me and we will give
you credit in our write up (unless you advise me otherwise).
Thanks again! John T. Snow <No need for credit. Make it
known if I can be of assistance with photos, what have you. A bunch
of our stuff is out and about (gratis) for non-commercial purposes.
Bob Fenner> |
Filefish ID Hello WWM Crew, Recently I had the opportunity
to visit the Toba Aquarium in Toba, Japan. <A fantastic sight>
They had a huge reef tank about 30 feet long (I attached a picture
of the tank as well as I thought it might interest you). In it, I
saw this interesting fish poking its long "nose" amongst the
corals. <It's an obligate corallivore> I have never seen such
a fish. Could you identify it please? Thank you, Gisho
<Please see here:
http://wetwebmedia.com/filefish.htm - Oxymonacanthus... Bob
Fenner> | 
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Toby puffer identification 9/25/05 Hello Bob, <Emily>
I was on your site and read your notes on the difference between the
Toby and the filefish. I can't really tell from the pictures which is a
puffer and which is not. I have recently bought a Toby puffer(
valentini I think) and just wanted to verify that I got a puffer instead
of a filefish. Can you give me more prominent signs to look for in
order to tell a puffer from a file fish? <Mmm, the very best is
their dorsal fins... though not often erected, will likely be when
excited (like when feeding). The Filefish has a prominent anterior spine
(first dorsal ray), whereas the puffer has all-about the same appearing
rays> My fish doesn't seem to have the obvious blue lines running
from the head to tail but there is a hidden blue/green color at the back
if seen at a special angle. <Mmm, the color difference/s are not
consistent, nor telling> Appreciate if you could help me identify my
fish. Thanks, Emily <Look on fishbase.org, the Net... at
both species... and their dorsals. Bob Fenner>
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