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Re: Mystery white stuff? Now Damsel ID 10/9/2009
Thank you again Mike. Will put all your suggestions into practice.
<Hi Liz. Good to hear.>
One last question for you. Any idea what kind of damsel this is (see
attached picture)? It came with my tank, previous owner had no idea what
it was.
<Damsels can be very tricky to identify. The cute little colorful fish
you buy in the store usually morphs into something that looks much
different when it grows up.>
It's color changes from a dark blue/purple to a washed out various of
the same as it swims around the tank. Very personable, busy fish. Has
staked out it's corner of the tank and is otherwise very tolerant of the
two pesky Sgt. Majors and isn't concerned at all with the Cardinals.
<Really need some more information to even attempt an identification
better than a guess. Information like size and how long one has had the
fish is helpful. Many damsels change their colors as they mature. If one
were to force me to make an ID, my best guess would be a member of the
Neoglyphidodon genus that is in the process of color changing.
http://www.wetwebmedia.com/neoglyphidodon.htm >
It does do something odd with the eel. I've noticed several times when
the eel sticks it's head up out of the rock at the back of the tank the
Damsel will swim over, invert its self so it's head is pointed straight
up towards the top of the tank and then stay there by the eel. Sometimes
still, sometimes 'wagging' it's hind end. I assume this is some sort of
posturing, but it doesn't seem real aggressive. The eel isn't bothered
by it at all!
<Posturing because the eel is too close to the damsels territory is most
likely.>
I sure wish I knew someone like you locally. I have *so* many questions.
<Do have a look on this page - http://www.wetwebmedia.com/damsels.htm
Has links to the different types of damsels
Take care,
<Will do>
Liz
<MikeV>
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Damsel? 08/08/2008
Hello,
Could you please identify this damsel for me?
<<Had to speak to Mr Fenner on this one, certainly not one I have come across before. As per his thoughts, Neoglyphidodon bonang, and this one being a juvi of this species. Please do search on fishbase.org for the above.>>
Thanks! RJ Duco
<<Hope this helps, thanks for the question. A Nixon>> | 
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Question about Neoglyphidodon melas, beh. 8/24/06
Hello,
<Hi there>
Thank you so much for your WONDERFUL website. We have a 55 gal tank that we've had up and running for 17 years now.
<Neat>
Currently in the tank is a geriatric (in age, not attitude) percula, 2 domino damsels and a Neoglyphidodon melas (found out what it was thanks to your site - LFS said it was a green Chromis, NOT). We'd been down to just the perc for a while and decided to get some friends. We added the N. melas, then a week later the 2 dominoes.
<This last species can be a bug-a-boo... mean>
When we got the N. melas at the LFS, it had the juvenile coloring. In the car on the way home, he was darker, I figured just freaked out about being fished out of
the tank and plopped in a bag, well, he never went back to white.
Upon entering the tank, he ate well and is showing no signs of stress. In fact, he seems to have made himself top dog.
<For a while... till the Dascyllus grow...>
The perc seems to be tolerating him, they do the shimmy thing at each other, but no nipping and seem to have separate 'territories'. The dominoes
came later and are smaller.
<... for now>
This is my question: Could the N. melas have gone thru puberty in minutes like that?
<!?>
I mean, he was white in the store, dusky in the car and dark blue/black by the time we hung the bag in the tank!
Possible?
Mimi K
<Sort of... the colors expressed can/do change in terms of the fishs perceived status... Bob Fenner> Re: Question about Neoglyphidodon melas, beh. 8/25/06
Thanks so much. We're aware of the feistiness of the Dominoes.
We've had them before and really wanted to get another after losing our Slider after 9 years. He was full of attitude but that really
made him the star of the tank.
<O...kay...>
Surprisingly (or maybe not to you), he and the Perc got on quite well.
<Happens>
I'm hoping it'll be that way again.
<Me too>
The perc did ram a tomato clown till he went blind, so no more clowns for us.
On the N. melas, we've had him for about a week now and he's stayed dark. So interesting. A first for us. We've had a tank for a long time, but tend to stick to the beginner fish. Twin toddler and an infant REALLY take time away from the hobbies...
Thanks again.
<I can only imagine. Cheers, BobF> Not so Black Damselfish
Why is this damsel fish called a black damsel when nothing on this fish is black?
<Tis the juvenile coloration of the Neoglyphidodon melas, someone should tell him he looks better as a juvi. See here http://www.wetwebmedia.com/neoglyphidodon.htm
Like it is not hard enough to keep track of them already, now they are changing colors on us. Best Regards, Gage> "Red honey Chromis" Neoglyphidodon crossi
Hey Gang, how ya doin'? Do any of you fine reefkeepers have any experience keeping this fish? I recently saw some of 'em in the LFS display tank, then, pre-paid for three of them to put in my 70 gallon (that'll make 5 small fish altogether). These little fish are stunningly beautiful. I'm just curious if y'all may be able to share personal experiences keeping them, thanks Stormbringer (aka; Scott in Denver!)
<Just saw, photographed this fish last week... no experience keeping myself. A beauty and of a genus that as juveniles tend to be easygoing. Please see here re: http://www.wetwebmedia.com/neoglyphidodon.htm
Bob Fenner> | 
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Neoglyphidodon melas
Hello. I have seen this fish at LFS from time to time,
and see how the color changes from juvenile to adult.
I like both of the color patterns. That aside, how
aggressive are these fish? Would one be suitable for a
55g reef that is peaceful/ moderately aggressive, with
clowns, fairy wrasse, possibly gobies in the future,
etc Thanks again.
<Should be fine with all but the "gobies" listed if these are very passive, or the system too crowded. Please see WetWebMedia.com under the genus name. Bob Fenner> Damselfish
I have a new 95 gal. marine tank with live rock, four snails, and one pink
smith damselfish. My question, Can I put a different type of damsel with
the species I current own e.g., bowtie (Neoglyphidodon melanopus), or
azure? Reason being that I can't seem to find more pink damsels to add to
my tank.
Thanks, Jeff
<Should get "along" okay in such a size, shape system... though if/when they meet, some modicum of tussling (yet no damage) should be expected. Bob Fenner> Color loss in Cross's Damsels
Dear Bob,
Several months ago I came across about 11 or 12 Cross's Damsels
(Neoglyphidodon crossi) at the store. I don't know how familiar you are
with Cross's Damsels, but they are rather striking. So I bought them,
10 of them because I figured damsel aggression within a larger group
would be less of a problem. For the most part, I think that I was right
with that conclusion. My problem is that these fish were bright red
when I got them, having an electric blue stripe from tail to nose, and
brightly orange fins that stick down from their abdomens, and now they
have faded. The red has become a dull purple in comparison (similar to
coralline algae purple), and the rest has dulled as well. I have
considered other tank (fish) inhabitants, and I have actually removed
them. So I think that I can rule that one out. I have thought that it
was possibly age, but the age in these fish varies and even the largest
ones are duller than ones that I had seen in the store at the time,
which were as bright as the juveniles that I ended up buying. For the
most part only the alpha male displays any color, which as I have said
is dull in comparison. The others are just "dark". They live in a soft
coral reef, the water quality is very good, and alternate Spirulina
flake, live brine, frozen brine, and other frozen "seafood buffet" cubes
that we buy in the stores. The best that I can come up with is that
they are blending in with their surroundings. The next thing I might
try is moving a few of them into another tank with bright red decor. I
am puzzled, and I wonder if this sounds at all familiar and if you might
be able to share any thoughts that you might have.
Thank you, Brian Algren
>>
Well related. Do know the species... have seen/collected juveniles and adults in northeastern Sulawesi (Bunaken/Manado/Indonesia)... and what you describe is typical... this species, in fact all members of the genus Neoglyphidodon do about what you describe... as they grow, age, are crowded (live solitarily in the wild)... Don't think this is anything either-influenced... i.e. nutritional, chemical-stress/environmental, disease as in infectious or parasitic... and not reversible.
Bob Fenner
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