My Science Project

[Wolfdog]

OK I figured out what i was going to do for my school science project. I will be looking at the affects of temperature on breathing rates of fish.

What i will be doing with my three tanks is slowly decreasing the temperature down to about 74. I will take observations and all that great stuff. Then verrrry slowly i will raise it up to around 82. I will do the same there. When im done it will be put back to where it originally was at 78.

I want to get a lot more data for my display and everything. It will help with calculation my results and all too. Makes everything more accurate with more info.

So the way i figered out to get "breathing rates" from the fish is to count how many "breaths" the fish takes in 10 seconds. Then ill convert that into one minute.
If you guys can give me...
How many breaths per 10 seconds
What kind/s fish you tested on
What the temperature of the water is.

If anyone could do this for me it would be great. Its quick and easy to do, so do it!
Try to keep results simple, so i can gather yur results easily. Then u can give me any comments and suggestions u want!
I need as many people as possible to participate to make this work for me

Thanx,
Wolf

 

[pica_nuttalli]

they also make tests for dissolved CO2. while that won't give you a precise reading on breath rate for a specific species, testing the CO2 would be a good way to quantify scientifically the overall metabolic rate of your fishtank (more CO2 means that your fish are breathing more)

of course any live plants or algae in the tank would throw off the reading, but even in that case you could use it comparatively across the temperature bands.

 

[guppygirl]

I've done that experiment before!! It's really fun. Lemme go look for my old test results...

pg 1
pg1
pg 2
pg2

hth!

 

[Wolfdog]

Thanx, can u get the tests for dissolved CO2 at the pet store?

And thanx GuppyGirl for yur results!

ANyone else able to post their "test results"

Wolf

 

[SirMinion]

Water temperature directly affects the saturation level of dissolved oxygen too: The warmer the water, the less oxygen it holds.