Corydoras with white lump (bulge) on side
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Corydoras with white lump (bulge) on side

This is a discussion on Corydoras with white lump (bulge) on side within the Tropical Fish Diseases forums, part of the Freshwater Fish and Aquariums category; --> Hello all. This as my first time here ... so please be gentle I 'm a complete newbie with my tank setup. It's been ...

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Corydoras with white lump (bulge) on side
Old 07-27-2011, 03:47 PM   #1
 
Corydoras with white lump (bulge) on side

Hello all.

This as my first time here ... so please be gentle

I 'm a complete newbie with my tank setup. It's been up and running for just over a month and already I seem to have a problem with my Corydoras (Bronze Catfish).

A couple of our Corydoras seemed to developing bulging bellys, but now one fish in particular has a very prominent white lump protruding from it's side. It looks like it could be some kind of fungal infection ... or maybe an injury. We have no idea. Another Cory seems to be starting to show signs of a similar lumps in the same place.

The fish themselves seems to be behaving totally normally, swimming and digging without any noticeable problems.

I have filed out the 'form' below (as well as I can) and have attached a few pictures of the patient too.

Does anybody have any idea what what might have on our hands here .... and how we should tackle it.
We would appreciate any input or advice anyone might have to offer.

Thanks in advance and greetings from Cologne Germany.
Philip & Maren



1. Size of tank?
60L

2. Water parameters
a. Ammonia? 0
b. Nitrite? 0
c. Nitrate? 10 mg/l
d. pH 8, KH 12 and GH 25 (we live in a very hard water area)
e. Test kit? Sera test box kit

3. Temperature? 25 deg cel

4. FW (fresh water) or BW (brackish)? Freshwater

5. How long the aquarium has been set up? 5 weeks

6. What fish do you have? How many are in your tank? How big are they? How long have you had them?
3 x Pitbull Pleco
5 x Corydoras (bronze) catfish.

7. Were the fish placed under quarantine period (minus the first batch from the point wherein the tank is ready to accommodate the inhabitants)? The fish were introduced together as the fist inhabitants of the tank. The tank was set up and running for three weeks before the fish arrived.

8. a. Any live plants? Fake plants?
various live plants.

b. Sand, gravel, barebottom?
JBL Manado & sand on one side

c. Rocks, woods, fancy decors? Any hollow decors?
Wood piece (the Pitbulls love this)
Small cave / shelter

9. a. Filtration?
Jewel super filter (internal corner filter)

b. Heater?
yep

10. a. Lighting schedule? What lights are used?
10 hours per day, tube supplied with tank.

b. Any sunlight exposure? How long?
none

11. a. Water change schedule? Weekly
b. Volume of water changed? 15L
c. Well water, tap water, RO water? Tap water
d. Water conditioner used? Tetra Easy Balance
e. Frequency of gravel/sand (if any) vacuumed? Not yet done

12. Foods?
How often are they fed? daily (1 tab)

13. a. Any abnormal signs/symptoms?
b. Appearance of poop? normal ... I think
c. Appearance of gills? ok .... again I think

14. a. Have you treated your fish ahead of diagnosis?
b. What meds were used?
none yet.

15. Insert photos of fish in question and full tank shot if necessary.
Attached Images
File Type: jpg RIMG0505.jpg (49.8 KB, 14 views)
File Type: jpg RIMG0510.jpg (43.9 KB, 14 views)
File Type: jpg RIMG0517.jpg (33.9 KB, 14 views)
File Type: jpg RIMG0519.jpg (49.2 KB, 13 views)
city1971 is offline   Reply With Quote
Old 07-28-2011, 05:31 AM   #2
 
kitten_penang's Avatar
 
my large lou han had a lump like that.it's most likely a parasite thats causing it.i dint use any medication i just kep the water cleaner then usual and it slowly disappeared.you might want to get an external filter.in water filters are that good but thats imo
kitten_penang is offline   Reply With Quote
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