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FAQs about Nudibranch Foods/Feeding/Nutrition
Related Articles: Nudibranchs,
Sea Slugs, Related FAQs:
Nudibranchs 1, Nudibranchs 2,
Berghia Nudibranchs, Nudibranch
Identification, Nudibranch Behavior,
Nudibranch Compatibility, Nudibranch
Selection, Nudibranch Systems,
Nudibranch Disease, Nudibranch
Reproduction, Sea Slugs,
Marine Snails 1, Marine Snails 2, Marine
Snails 3, | 
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Phyllidia ocellata... if you liked the book, you're gonna love WWM
7/5/05 Hi Robert, Thanks for publishing '
The Conscientious Marine Aquarist '; My wife gave it to me as a
Christmas present 18 months ago and has not been too far out of
reach since. I started our 350 gal tank about 6 months ago and have
just popped 2 Phyllidia ocellata in my tank after a snorkel last
Sunday. I have read all the bad news since but have you or any one else
had any experience with this particular one; at the moment their happily
working their way (ever so slowly) over the live rock. Any help or
contacts would be greatly appreciated;
Regards, Ross Filmer
<Mmm, well... hope you have something to their liking in that big tank
to eat... or you can get back to the ocean, find whatever some others of
the species are on... Please see here:
http://www.wetwebmedia.com/nudibran.htm Bob Fenner>
Flatworm- eating nudibranch Hi everyone. < Hi there. > I
noticed my supplier currently has C. varians in stock and thought it
would be striking addition to my reef. However, in trying to get some
information on them before buying - which there isn't much of - I
noticed that this species is widely sought after because of they're
flatworm eating abilities. Fortunately, I don't have a flatworm issue -
knock wood - and am curious if you know anything about the eating habits
of this nudibranch. < My understanding is that it is an obligate
flatworm eater. In other words it will starve without them. > I'm
beginning to suspect that flatworms are all they eat, and I have no
intention of adding anything to my tank that could potentially starve.
Can you shed any light on their eating habits? < I would probably not
chance it. Even if it does eat something else, it may still slowly
starve. I think nudibranchs in general should be avoided, and kept for
very experienced reefers with mature tanks. > Thanks, Neil <
Blundell > HOORAY FOR (flatworm eating) BLACK
VELVET NUDIBRANCHS!!!! Hi Gang: <Chuck> I took
possession this afternoon of a pair of black velvet nudibranchs. . .
and watched with rapt fascination as they began devouring the rust red
planarians which have plagued my low-flow refugium for the past year. My
question is, are these nudibranchs differentiated sexually. . . how do
they reproduce. . . and what are the chances of a randomly selected
pair reproducing successfully in a well-stocked (with Chaetomorpha)
mature refugium? Chuck <They're monoecious,
cross-fertilizers... not sexually differentiated... might reproduce...
Bob Fenner> New Nudi hi <Hello there>
I recently made a nudibranch the latest addition to my tank..... the guy
at my LFS said it was very sturdy and that it ate algae
<Uh, no> ...well... by checking your website I fear that its a
H. bullocki or some thing very similar...I don't have pics but ill
describe the best I can....its a deep purple...a white band
going around it (more solid than in most pics of bullockis I've seen)
orange "feelers" and orange "gills " surrounding the anal
gland.....ok...my problem...obviously not knowing what type the
little guy is I don't know how to care for it...I've had it for 24
hrs and now it wont stick to anything...its secreting from its
anal gland but if it is touched then it retracts all that is
orange....so I have some faith that it is alive .....I just don't know
how to keep it alive...and now I'm afraid of the secretions being
toxic.....what should I do? <Take it back> thanks
Danielle <Please, DON'T buy livestock w/o knowing what it is, its
care requirements. Bob Fenner> Chromodoris magnifica feeding
Hi, <Hello> I've been wondering if I could possibly do a
Chromodoris magnifica nudibranch in my nano reef tank. I've already read
on the seaslugforum.com website about their unique sponge eating diet,
and after looking at some pics of the sponges that they feed on, I
realized that the sponges in the pics closely resembled some of the
sponges that came with my Fiji live rock (almost positive) . I know that
the sponges on my rock are alive because they're growing. Do you think I
could possibly try one of these nudibranchs? Also, I read on the
seaslugforum.com of one person being successful with these nudi.s
because he got them to feed on the sponges that came with his live rock.
Any help would be appreciated. <What will you do when the sponge is
gone? Most nudes are difficult to keep for any length of time because of
their diet. I would rather see the sponge in my tank. James (Salty Dog)>
Tridachia diomedea - feeding Bob, FFExpress sells this
Nudibranch - it is partially photosynthetic and apparently eats
algae. I'm interested in obtaining one/some, if its likely to survive
in a reef tank and had some questions for you: 1) Would you recommend
this as a hardy Nudibranch (75 gal reef tank, 100 lbs of Fiji LR,
lots of macro algae (in tank and sump-refugium). <For trying out as
an algae eater? Not really... there are fishes that are superior. Please
read: http://www.WetWebMedia.com/algeatrcontfaqs.htm As a species,
specimen to try? Sure> 2) What specific types of algae does it eat
<Mostly "soft" greens (chlorophytes), some reds (rhodophytes)> 3)
Would Lysmata shrimp (fire and peppermint) eat it? <Unlikely> 4)
would it harm corals (leathers, SPS, LPS, mushrooms, anemones). <Very
unlikely> I searched the web, but couldn't find much info on this
Nudi - in terms of suitability in a reef tank - although FFExpress
had some FAQs that made it sound like a relatively hardy animal.
<Have heard mixed results of using these naked gill slugs in captivity.
Either positive or "just dissolved" (though not toxic), as with many
Nudibranchs. Do consider using an algae-eating blenny, Ctenochaetus
tang, investigating the root causes of algal problems... Bob Fenner>
Thanks! Lynx Nudibranch Hello all, I went
snorkeling yesterday and collected a lynx Nudibranch about .5"
long. Cute little fella in a gross slimy kind of way. My question
is: Will this little predator eat my reef dwellers or fit right in to
the family. Right now I have a couple of anemones, file clam, feather
dusters, green polyps, misc. small corals, two xenias, and a pair of
CBS. Thanks again for the info, Aquah0lic <Umm,
seaslugforum.com, Google, Debelius... no one has a listing for this
common name. Do you have a species identification? Bob Fenner>
Re: lynx Nudibranch ok, so now that we are on the same page (sort
of) lol, back to the original question: My question is: Will this
little predator eat my reef dwellers or fit right in to the
family. Right now I have a couple of anemones, file clam, feather
dusters, green polyps, misc. small corals, two xenias, and a pair of
CBS. Thanks again for the info, Aquah0lic <No idea. The info. I
can find on this species is principally identification in orientation,
e.g.:
http://www.seaslugforum.net/phidlync.htm I suspect it is a
hydroid feeder however, so I doubt it will prove deleterious or survive
in your system. Bob Fenner> Hypselodoris Hi! I
recently purchased a Hypselodoris bullockii -(pink/purple slug thingy)
the salesman had assured me it ate algae and is low maintenance. after I
got home I looked it up on the internet (which I should of done before I
bought it)... and found little information... but apparently they are
impossible to keep alive... since Mr. pink is already in my aquarium...
I don't want to give up on him so soon... do you have any information on
these guys? I read they have a picky diet of Dysidea and Aplyilla
sponges... I am also concerned about if he tragically does die, would he
infect my take with toxins and what-nots. any information would be
appreciated. Thanks! Angie <You learned a valuable lesson today, let
the buyer beware. You are correct, they eat sponges. Nothing you can
really do at this point. You are also correct, there is a potential for
release of toxins into your tank water upon its death. I would try to
return him and get your money back. -Steven Pro> Re:
Hypselodoris bullocki Thanks for responding so quickly! we tried
to return the Hypselodoris bullocki... although they did not give us our
money back, they did take him back. <Did they at least give you a
credit or are they going to sell it again and double their money?>
now unfortunately I have other questions... I have a 30 GAL tank
1-Protein skimmer (left on 24-7) 50 LBS live rock 40 LBS live sand
1-rotating power head <How is this working for you? I have heard
mixed reviews and was just curious.> 2 snails 3 peppermint shrimp
2 clowns (percula) temp of tank is: 80F (too high??) <Do not let
it get much higher than that, but 80 is ok in particular if you wish to
maximize growth rates.> my tank is 2 months old and the life stock
has only been put in during the last 10 days. 2 days ago I had purchased
the "tank raised" clowns and did as the salesman said (adding a cup of
our tank water to the bag he was in every 15 minutes for an hour before
we let him into our tank... our tank salinity is at 1.021 of the 2
clowns purchased... one was kept at 1.017 (they explained they keep
their "fish only tanks at this level so the fish can breathe easier and
the other was at 1.023 (he was in a reef tank) so as you can see. both
fish would have a little adjusting to do for our tank. the clowns
however have been spending a lot of time near the top. I haven't even
seen them go halfway down into the tank yet. and it seems as if they are
somehow too light for my tank. as they need to kind of struggle to keep
in the water. I thought that maybe my salinity was too high. so I bought
a new instrument and it showed that my water is at 1.021 this morning
when I got up I saw that 1 of the clowns was near death. almost floating
sideways on the top of the water. after I turned on the tank light and a
few hours later. he seemed fine. though they both still hanging in the
upper tank. is there something wrong? all my levels tested fine. I can
only think that they are either still adjusting or I'm missing
something. <IME, tank raised clownfish always hang out near the top.
They do not know to hide from predators and always wait at the top for
you to feed them. They do not even hide when you put your arms in there
to clean the tank or move something, completely oblivious. The floating
on his side thing and struggling concerns me. Possible swim bladder
problem. Do they seem like they have to fight hard to go down and float
up without any swimming motion?> also... in the past 2 days some
little green hairs have been growing on the inside of my tank walls...
is this a good or bad sign? <Normal, part of algal succession.>
should I scrape and vacuum off? <As part of routine maintenance when
it gets too bad.> the snails seems to like them... and some green
coloration algae???)to some parts of the sand - is this a good or bad
thing? <Better to not be on the sand.> and today while I was
watching my clowns... I noticed little tiny... almost microscopic type
creatures swimming to the top of my tank.... before they reached their
deaths -as the clowns ate them! are these things good guys?
<Yes, probably Amphipods. Tiny shrimp like creatures, arched backs, and
two antenna.> and at last... final question today... I was wondering
if a 10% water change every week is too much for my 30 gallon tank...
<Nope, sounds great.> any and all input is appreciated. thank you
thank you thank you, Angie <You are welcome. -Steven Pro>
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