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FAQs on Corydoras Cats:
Identification
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New Cory ID? 9/15/11
Hello Crew!
So I was at my LFS today, and I saw 4 Corydoras marked as C.
Sterbai. I am 100% sure, this is not the case.
<I agree.>
I thought they were C. napoinses, so I picked them up and now
that I have a better opportunity to look at them, I don't
think so. I'm thinking possibly C. elegans? Any other
suggestions or ideas would be appreciated.
<Do look like Corydoras haraldschultzi, but really, I'm
not an expert on these. Do you know the Planet Catfish site?
That's the place I'd go for help on these fish. On the
plus side, at least Corydoras are all pretty similar in terms of
care!>
Thanks! (attached two photos)
-Jesse
<Good luck, Neale.>
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Corydoras ID -11/18/07 Lord, I hate to bother you all
again. But I've spent several days at planetcatfish.com
trying to ID this little Corydoras catfish and can't seem to
find what he/she is. I ordered Corydoras trilineatus and 2 of
these came in the same batch. I'm putting them all in the 125
gal with the Severum (after 4 wks quarantine). I'd like to
get a few more of this species because I noticed Corys seem to
hang out with their own species pretty often and I want them to
be comfortable. If you can ID him for me I'd certainly be
grateful and so would the little Cory. Thank you all, you're
the most wonderful group of volunteers I've ever encountered.
Mitzi <Hello Mitzi. Your catfish could well be Corydoras
trilineatus. As you perhaps realise, Corydoras trilineatus and
Corydoras julii are routinely mixed up. In fact many catfish
experts reckon that most of the fish sold as Corydoras julii are
actually Corydoras trilineatus. The give-away is the head:
Corydoras trilineatus has black worm-like markings on its head,
whereas Corydoras julii has discrete, approximately circular
spots. Because your fish doesn't seem to have those spots on
its head, I don't think it is Corydoras julii. I agree with
you that Corydoras are happiest in big groups. Six specimens
seems to be the minimum to really get the most from them. Kept
like that, they are less shy and more entertaining, as well as
easier to breed. Thanks for the kind words, and hope this helps.
Cheers, Neale.>
Corydoras ID/tank height -11/18/07 I have a PS to the
email below I just sent. I just read a quote from Neale at
wetwebmedia.com/FWSubWebIndex/callcatdisfaq2.htm saying
"<Circulation of the water is important. But also how
deep is the tank? Corydoras are obligate air breathers, and they
will literally drown in an aquarium too deep for them. For the
smaller species, around 30 cm is about right. Anything over 45 cm
is dodgy, in my opinion.>" This had occurred to me before
but now I'm extremely concerned. The 125 gal tank I planned
to put 12 Corydoras into is 22" tall (or 60 cm). Is that
going to be too tall for them?? If it is I'll just buy them a
40 gal long and put some Hatchet fish in with them. Just when I
think I'm done worrying I find out I'm not :-( I'd
love to hear your opinions. Mitzi <Hello Mitzi. In deep tanks,
small Corydoras may struggle to reach the surface. In a plain
aquarium, 45 cm may be taken as a safe depth of water for medium-
to large-sized species like Corydoras panda and Corydoras aeneus.
Smaller species, like Corydoras hastatus, shouldn't really be
kept at more than 30 cm depth. In deeper tanks, it's
generally recommended you go with Brochis rather than Corydoras
spp; Brochis are altogether stronger swimmers and naturally come
from relatively deep waters. Corydoras are very much shallow
water fish that inhabit creeks and streams rather than rivers. My
peppered Corydoras live in a tank where the water is about 40 cm
deep, and they seem fine. What I have noticed is they often rest
half-way on stiff plants such as Anubias. So, if your tank is
unusually deep, you might incorporate such resting places so that
their life isn't too difficult. Do note that I'm talking
about the depth of water rather than the depth of the tank; by
the time you allow for the depth of substrate and the air space
at the top of the tank, your 60 cm aquarium will likely only
contain around 50 cm of water depth. While still deeper than the
optimum, with a few robust plants, bogwood roots, or rocky
ledges, your catfish should be fine. Cheers, Neale.>
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Platy - Gourami mix revisited: this time, +cats! 2/2/06 Hi
crew! Thanks for your quick+informative reply regarding my platies! The
little guys look very happy! I followed your advice and bought a test
kit: all very good readings: Ammonia: 0 Nitrate:0 Nitrite:25 - 50
<These last two are crossed-over... and nitrate's a bit high. Do
try to keep below 20 ppm... means covered on WWM> Ph: not sure, as
it was a funny light blue colour, but I'm guessing it was about
7.5, and they told me not to worry about it at my local fish store
place. <Is likely fine... also covered> I did not buy the
gouramis, as planned, but instead bought 2 little cats. I hope to get
the gouramis later. My question is about my cats. In the shop, they
were labeled as "speckled cats", but when I got them home and
looked in a fish book, there was a picture of them... Labeled as
peppered Corys! I can't send a pic. with this, but I'm working
on it! They seem very peaceful and fun loving, could they be the
peppered Corys? <Are very likely a species of Corydoras... maybe
paleatus... covered on WWM... fine here> Thanks for replying to my
email, and once again, thanks for your great site! <Welcome. Bob
Fenner>
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