Welcome, Guest. Please login or register.
July 25, 2014, 08:06:28 PM
Home Search Search Login Register

+  Pet Goldfish - Aquarium Forum Community
|-+  Aquarium
| |-+  Health and Illness
| | |-+  Dorsal Fin
« previous next »
Pages: [1]
Author Topic: Dorsal Fin  (Read 2096 times)
trft
Newbie
*

Karma: 7
Posts: 30


Dorsal Fin
« on: June 02, 2011, 12:28:38 PM »

Below I have provided the information requested for posting in this forum regarding my fish and environment.

My situation is this: It seemed to me after my last water change on Sunday, my fish seemed very happy. I was looking at very pretty dorsal fins. Maybe I simply didn't notice it then, but now I notice that often when swimming my two gold fish when swimming will often scrunch or tuck their dorsal fin down.

My question is this: Do HEALTHY goldfish always have their dorsal fins stretched out full in that beautiful way that shows the entire fin stretched high?

INFORMATION

1. - 55 gallon tank, tall not wide.
2. - setup for 7 months
3&4 - two mature common goldfish
5. - PH/8.0, Am/0, nitrite/0, nitrate/0, readings on 5-29-11 after water change
6. - change water monthly
7. - typical size of water change is 50%
8. - water conditioners: Start Right Allantola and Nutrafin waste control and today I added Seachem's Prime .
9. added beneficial bacteria only via the bio-wheels
10. My fish generally look fine standing still. When swimming, particularly when swimming forward the dorsal fin is tucked down.
11. After my last water change, 5-29-11
12. Typically as the month passes between water change, their dorsal fin seems more compressed/stressed.
13. I don't have other fish.
14. no pictures right now, sorry.
15. my filter is a Marineland Emperor 400.
16. I do not provide extra aeration.
Logged
Nossie
Hero Member
*****

Karma: 481
Posts: 5469



Re: Dorsal Fin
« Reply #1 on: June 02, 2011, 12:47:42 PM »

It's very simple Smiley Yes, healthy goldfish always have their fins stretched! (but if they're swimming fast, they may put them closer to the body for a moment. But the fins always go back up)
And the only "problem" I could find in your maintenance info, is that you're not changing the water often enough. Do it every or every second week, 50%.

And since your tank is rather high instead of wide (which is not always a good idea for goldfish, especially not commons, who enjoy swimming around a lot), you will need to give them extra aeration. Air pumps, lines and stones are usually very cheap, and a great investment!
« Last Edit: June 02, 2011, 12:50:18 PM by Nossie » Logged
trft
Newbie
*

Karma: 7
Posts: 30


Re: Dorsal Fin
« Reply #2 on: June 02, 2011, 02:51:11 PM »

Cool. You know the tank looks better too if you are maintaining your tank/water change bi-monthly. It's gotta. And I guess it's time to do the aeration. I'm on a limited budget, but I've had that on my mind for some time.

Thanks.
Logged
Goldiegirl
Sr. Member
****

Karma: 169
Posts: 762



Re: Dorsal Fin
« Reply #3 on: June 02, 2011, 06:03:49 PM »

Echo Nossie  Wink one thing I would add is that sometimes if a goldfish has a very super high dorsal fin it will "droop" over due to its length...but if the fins are clamped then you have different problem.
Logged
trft
Newbie
*

Karma: 7
Posts: 30


Re: Dorsal Fin
« Reply #4 on: June 03, 2011, 11:45:08 AM »

Understand and thanks. Scrunched and clamped are Goldie's attempt to give you fair warning. Your tank is unkempt. You need to preempt a disaster which leads to mourning.
Logged
Ron H
Full Member
***

Karma: 83
Posts: 443



Re: Dorsal Fin
« Reply #5 on: June 05, 2011, 08:49:29 PM »

Hi all, great info again, I noticed the ph of 8.0 above is that a little high? Being a newbe to this group I was wondering what should it be? and what sort of variations are tolerable? Cheers > Ron.
Logged
Nossie
Hero Member
*****

Karma: 481
Posts: 5469



Re: Dorsal Fin
« Reply #6 on: June 06, 2011, 03:03:38 AM »

Goldfish can handle pH from 6.5-8.5, so really, no need to do anything about that unless it isn't a stable reading! If your pH is always 8, leave it like that Smiley Don't cause any unnecessary trauma for the goldfish by adding unneeded chemicals to try and "fix" the pH-value.
Logged
Ron H
Full Member
***

Karma: 83
Posts: 443



Re: Dorsal Fin
« Reply #7 on: June 06, 2011, 04:16:42 AM »

Thanks Nossie, mine is usually around 7.5, so thats bang in the middle. Thats good advice about un-needed chemicals, I have noticed that some of the chems used to adjust Ph are a little harsh and some are outright dangerous. Cheers > Ron.
Logged
fantailer
Sr. Member
****

Karma: 122
Posts: 1629



Re: Dorsal Fin
« Reply #8 on: June 06, 2011, 05:14:13 AM »

Yesterday I found out that if you too much food it could rerally change your parameters and myfish had theyr'e fins clamped all yesterday but not today.
Logged
Ron H
Full Member
***

Karma: 83
Posts: 443



Re: Dorsal Fin
« Reply #9 on: June 06, 2011, 05:42:56 AM »

Yeah my comets spot and norm are a bit sluggish at the moment because of the colder weather, they are not eating all their food, what they dont eat after 5 minutes, I remove so as to keep the water quality. I hadnt given much thought to the fact it would prob change the parameters. Cheers for that > Ron
Logged
Nossie
Hero Member
*****

Karma: 481
Posts: 5469



Re: Dorsal Fin
« Reply #10 on: June 07, 2011, 03:45:08 AM »

If there's too much nitrate in the water (for example, too much food) that is left laying hidden in the gravel or something, it will change the pH values and make the water more acidic. Which is why weekly water changes are so important.

Whenever it's necessary to change the pH in your tap water, for example, if you've got tropical fish who like it more acidic, it's better to have it done before you get it into the tank, so that you keep the same levels in the new water and in the "old".
Logged
Ron H
Full Member
***

Karma: 83
Posts: 443



Re: Dorsal Fin
« Reply #11 on: June 07, 2011, 07:27:19 PM »

Thanks again for the info Nossie... lessen the stress for your fish by doing it that way... Cheers
Logged
Pages: [1]  
« previous next »
Jump to:  
Page created in 0.268 seconds with 17 queries.