larval ambystoma + worms

SC

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I've just started feeding my larval A. maculatums chopped up earthworms. They seem to like them. I tried bloodworm and daphnia, but they wern't eating. I been giving 1-2 peices of worm to each salamander per day. Just curious- does this sound like enough/ not enough? (they're around 6-8 weeks old) Also, I'm going away & wont be able to feed them for 3 days- Is this too long to let them go?
 
I've got no experience with A. maculatum but it might be interesting what size they are at 6-8 weeks - would be easier to give any hints.
 
Chopped earthworm is the best "growth food" I know of, so it's a good choice. The amount sounds about right. If you think they would eat more, you could give them more - as much as they'll eat at a feeding would be fine. I'm sure they'll be OK for 3 days w/o food. If they are differently-sized, you might want to separate them to prevent cannibalism.
 
I don't have any pics to post right now.. they're around an inch long right now- still have gills. thanks Jennewt- hopefully they'll be ok. They're close to the same size, but I do have them separated to prevent cannibalism- which leads to another question (although food unrelated) I have each one in a 1L container & I do partial water changes almost everyday (every other day at very least). I'm worried about leaving them in a small volume of water for so long. Should I move them to a larger habitat since I will be unable to change the water for 3 days? (I was thinking I should soon anyway for when they grow larger)

cheers
 
I would move them to a larger container for the time you are away. A higher amount of water should be more "stable", meaning that the concentration of ammonia and nitrite resulting from excrements wil not become as high as in a smaller volume (the amount is still the same but the concentration is not as high).
The second point is that you have a gas exchange at the surface (to simplify it: CO2 goes out, oxygen comes in) - the larger the survace, the better this exchange (at least if there is no aeration by an airstone or something similar).
 
thanks - I did move them to larger containers & the ones I choose are wider but shorter to allow for move water surface to be exposed to air. Their doing very well & were fine when I got back :D
 
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