Tropical Fish Keeping - Aquarium fish care and resources

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MemawsFish 11-11-2012 08:59 PM

Please help me id this disease...
I noticed this on one of my green sunfish (think it's also called a rock bass). It starts out as a "pimple" slightly behind one of the fins on the side. You can barely see the raised area. Then it grows in a straight line - perpendicular to the bottom of it's belly. First it starts as a "welt", then the skin splits open as though it has been cut. Once the skin is split, the flesh starts to appear as though it is being pushed out from the inside - and starts to grow "fuzz". (It doesn't resemble cotton.) I do have photos, but they are not as clear as I would like them to be - plus I have to down sample them for the net. <img> 1&l=7b6548dfae</img>
I'll try to load the photos to my tank page in case the link doesn't work.

Any thoughts as to what it is?

yyankeeyankeefan 11-11-2012 09:57 PM

this is the direct link to the pictures.

yyankeeyankeefan 11-12-2012 01:00 AM

could the fungus be an after thing. like caused by the wound being open? maybe the lesion is from a parasite leaving the host and the fungus is caused by the open wound? like an infection. maybe treating with antibiotics? just a guess here. but trying to help.

MemawsFish 11-12-2012 09:27 AM

Please help me id this disease. (completed form)
My apologies as I didn't see this form prior to posting:

1. Size of tank? 135 gallons

2. Water parameters -
a. Ammonia - .5 ppm
b. Nitrite – 5.0
c. Nitrate – 160 ppm
d. pH, KH and GH - ph 7.2 / kh 6 drops / gh 11
e. Test kit API liquid tests

NOTE: I did a 50% water change last night to address ammonia levels. (ammonia was 4 ppm on the 11th compared to .5 ppm this morning. Nitrate levels are still high. I’ve also only been running the JBJ 45 UV filters for about 3 – 4 weeks.

3. Temperature?

4. FW (fresh water) or BW (brackish) = freshwater

5. How long the aquarium has been set up- almost 3 years

6. What fish do you have? How many are in your tank? How big are they? How long have you had them?
- 1 (one) long nose gar – 20 inches
- 1 (one) short nose gar – 16 inches
- 1 (one) short nose gar - 14 inches
- 2 pumkin seed – 6 inches
- 3 pumkin seed – 4 inches
- 1 bass – 7 inches
- 3 rock bass – 3 inches
- 12 rock bass about 2 – 3 inches (intended as feeder fish for gar)
- 1 channel cat – 12 inches – just added
- 2 mud cats – one about 6 inches / one about 4 inches – about 7 months
- (Think I need to think them out…)

7. Were the fish placed under quarantine period (minus the first batch from the point wherein the tank is ready to accommodate the inhabitants)? No. “Healthy” appearing fish without serious wounds are placed in the tank.

8. a. Any live plants? Fake plants? No fake plants. 1 ˝ grass type plants (fish eat them) Hoping to plant tank for appearance purposes and to help with nitrate levels.
b. Sand, gravel, barebottom? Small river gravel bottom
c. Rocks, woods, fancy decors? Any hollow decors? No wood. Two hollow decors – one coral rock type and one mangrove root.

9. a. Filtration? 2 JBJ 45 UV canister filters.
b. Heater? No heater. Temp fluxuates with the house. Approx 70 to 73 degrees.

10. a. Lighting schedule? What lights are used? No real schedule. On more during the weekends. During the weekends – it’s on during the day and off at night. Week – mostly off during the day and on over night. Indirect light only outside of the aquarium lights. Two regular “plant lights” for aquarium hoods. (One light on each end.)
b. Any sunlight exposure? How long? Indirect light throughout the day if the patio drapes are left open. There isn’t a great deal of light in that room even with the drapes partially open.

11. a. Water change schedule? About every three weeks.
b. Volume of water changed? 35%
c. Well water, tap water, RO water? Tap water
d. Water conditioner used? yes
e. Frequency of gravel/sand (if any) vacuumed? Once a month or every other depending on tank condition.

12. Foods? High protein cichlid pellets - mostly floating. Some sinking. Periodic live minnows, worms, blood worms, and (for a treat every once in a while – beef and pork hotdogs)
How often are they fed? Smaller feedings 2 to three times a day depending on what they are being fed. Trying to feed the sinking pellets only at night or when the light is off for an extended period so the flat head cat fish can come out and feed.

13. a. Any abnormal signs/symptoms? – within the last two weeks, which resulted in this post.
b. Appearance of poop? normal
c. Appearance of gills? Normal – no cotton, appearance of inflammation, or worms

14. a. Have you treated your fish ahead of diagnosis? No Infected fish are removed and euthanized as soon as I can net them.
b. What meds were used?

15. Insert photos of fish in question and full tank shot if necessary. Already provided link to photos.

djembekah 11-13-2012 04:13 PM

hmmm. idk what it is, but do you have something to quarantine it in? I'll link your thread to Sakura8, she's really good with fish diseases

Pearl2011 11-13-2012 08:03 PM

The wound is most likely infected, if it doesnt look like fuzz it may be an ulcer.
As for the water changes, you should really bump up how much you do them. A 20% every weekend (or whenever in the week) would be more effective then 35% every 3 weeks. Changin 47 gallons a moth isnt enough. This will prob help your water. Duckweed and anacharis are def the best ammonia sinks.

Sakura8 11-13-2012 09:39 PM

The fungus growth is almost certainly saprolegnia, which grows at the site of open wounds. The open wound is a little more worrisome. It could be caused by an internal parasite but more likely it's a wound he got somehow. How long have you had him and was he wild-caught?

To treat the sapro, you will need to remove the fish to a quarantine tank. A medicated bath in methylene blue should treat the sapro. You can find Kordon Methylene Blue at most aquarium stores and Petsmart *may* have it. For a bath, you would use 1 tsp per 5 gallons and leave him in this for 30 minutes. Do this twice a day for a few days.

For the wound . . . if it is still wide open and his insides are exposed, the only thing that will help would be finding a veterinarian who would be willing to stitch that up. Otherwise, I'd recommend keeping him isolated in a hospital tank with very clean water (to prevent infection) and double doses of Kordon Fish Protector. A medication such as API Pimafix or Melafix may help as well.

yyankeeyankeefan 11-13-2012 10:05 PM

i know these are wild caught fish. so internal parasites are a possibility. i don't know if anyone has had any experience with Hikari USA Inc. Prazipro but judging by what it claims to do would this be helpful?

Bettasafethansorry 11-13-2012 10:21 PM

Good luck

Sakura8 11-13-2012 11:05 PM

Yeah, a product like PraziPro would be excellent. I would start with the methylene blue bath to take care of the sapro. But after that, leaving him in PraziPro for a few days would be helpful. But I'm still not entirely sure an internal parasite could cause that much damage without killing . . . unless this is lateral line disease. Hmm.

Memaw, does the line go straight along his body, a horizontal line that follows more or less the same course?

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