Lack of oxygen killed stingrays, Calgary Zoo admits

  • We are currently upgrading MFK. thanks! -neo
I wasn't trying to defend the zoo by anymeans. But there are dozens of outside factors that come in to play with these types of things. I was just trying to shed light on them.
 
Hopefully I can shed more light here......

basslover34;2761982; said:
So what your saying is that an alarm rings and your doing what is needed to prevent losses in the whole tank... I guess alarms must work since your using them as well

I've lost many animals due to not enough time. I'd say 1 out of every 10 times a MAJOR oops happens, you get to save animals. The other 9 times, you lose them.


Since when does a plumber have anything to do with the display and it's issues, Perhaps that is why it's taking your facility so long to swap out the pumps?

Often times one or two people are responsible for a large tank. They have to do it ALL - plumbing, electrical, LSS, water Q, feeding and the rest of it. Swapping out a 25 hp pump with a 8" line running to it is not something one does lightly, nor alone.


If the sensors /meters had been in place then there wouldn't have been an issue to begin with as they would have seen the DO drop and could have corrected it... Apparently just splashing around in the display was enough to fool "subsiquent tests" which also tells me that they have NO LIVE MONITORING! :D


That is part of what I was trying to explain earlier. If you have a DO meter and it goes off b/c the level is low. Too late...you're level is low in the display. By the time you get it back up to a good level, the animals are dead or close to it. Kind of similar to some of the stuff I've talked about when cautioning the used of ozone.
The person who commented that splashing in the display works was not an animal person and had no clue what they were saying. That amount of splashing wouldn't do crap in a large system that had crashed. We use medical grade compressed oxygen on difusers to saturate the water. And even then it takes HOURS to do.
 
DB junkie;2763110; said:
It's easy to form a one sided opinion. Would YOUR opinion be the same if you were an employee there?

There are only a handfull of people that could even understand both sides. So I guess unless you have worked in the trade (like Matt) you're opinion is not only biased but missing some VERY important info.

At first I wanted to put blame on the zoo, but after hearing from someone actually educated in this trade AND appproaching with an open mind why is this really any different then chain fish stores? As an employee you do what you're told and risk loosing your job if you don't follow the rules, regardless of what you think is "right" or "wrong"

I've made mistakes and killed plenty of fish, my freezer proves that. Guess what? It's part of the hobby/trade. Everyone does it. Some can admit it and some choose to point the finger at everyone besides the person at fault (themselves).

If you have noticed I'm not blaming any keepers either in private or public sectors, and I have a FULL understanding of both sides... more than you might think. I am fully aware of all the politics behind these things and believe that the zoo has a responsibility to it's animals. If you believe that they have done the right thing in not having adequate fail safes in place then Great I'm glad to hear it, It should be every hobbyists dream to live up to the standards of a Public display in their stocking, equipment and expertise... not the other way around.

When you make a mistake it's with a fish or two... when they make a mistake it's with 41 rays...that tells me that they have enough to protect to spend the extra couple of dollars in their failsafes... this ofcourse is just my opinion
 
:D

Zoodiver;2763189; said:
Hopefully I can shed more light here......
So what your saying is that an alarm rings and your doing what is needed to prevent losses in the whole tank... I guess alarms must work since your using them as well

I've lost many animals due to not enough time. I'd say 1 out of every 10 times a MAJOR oops happens, you get to save animals. The other 9 times, you lose them.

how many major oopses have you really had? of those "oopses" how many of them were preventable with adiquate funding (pre-oops)



Since when does a plumber have anything to do with the display and it's issues, Perhaps that is why it's taking your facility so long to swap out the pumps?



Often times one or two people are responsible for a large tank. They have to do it ALL - plumbing, electrical, LSS, water Q, feeding and the rest of it. Swapping out a 25 hp pump with a 8" line running to it is not something one does lightly, nor alone.

So yet again lack of funding being the main reason for the "jack of all trades", The problem with that is that it's not always the best way to do something, I mean I'm able to do everything in construction but I know that a plumper is better and will get one when it's needed for sake of speed, and ensuring that it is properly done just as I would let an electrician do the wiring when there are issues of code and complicated runs as they are going to get it done and get it done right in a quick and timely manner with far less chances of something being done improperly since they are specifically trained to deal with each of their specialties.

If the sensors /meters had been in place then there wouldn't have been an issue to begin with as they would have seen the DO drop and could have corrected it... Apparently just splashing around in the display was enough to fool "subsiquent tests" which also tells me that they have NO LIVE MONITORING! :D


That is part of what I was trying to explain earlier. If you have a DO meter and it goes off b/c the level is low. Too late...you're level is low in the display. By the time you get it back up to a good level, the animals are dead or close to it. Kind of similar to some of the stuff I've talked about when cautioning the used of ozone.
The person who commented that splashing in the display works was not an animal person and had no clue what they were saying. That amount of splashing wouldn't do crap in a large system that had crashed. We use medical grade compressed oxygen on difusers to saturate the water. And even then it takes HOURS to do.

Why would anyone set the alarms so low to only ring once it would be a fatal situation... their are ranges which are correctable and are high and low end safe... once your headed towards a low safe end...alarm! It's really not as complicated as your trying to make it seem, I know it's a funding issue and that you guys NEVER get what you need but if you don't use these types of incidents to prove your case you never will cause lets face it... these are businesses and only out for the dollars they make and not the animals they keep.
 
It's a shame, yes a zoo should know better and research these things before hand but people do make mistakes, shame for the rays
 
and no professionals ever make mistakes....:ROFL::ROFL::ROFL:


and not one person in this thread has ever made a mistake and killed a fish.... think this falls into the glass houses stones kinda... seriously they stepped up and admitted it and im sure they are correcting the mistake.... professional and hobbyist there is no way to have a back up for 100% of the things that can go wrong.. all you people do is point the finger and say they should have done this and this blah blah blah move on with it...cause all of your tanks are 100% fish death proof...

and seriously a person who does not no exactly how big rays can get let alone what ray poop looks like i doubt they know more than the people at the zoo.....
 
You make good points. I do agree a LOT of places cut budget corners too much, resulting in millions of dollars in 'fixes', when a few thousand here and there would have done wonders.
 
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