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Day 16

The tadpoles continue to grow quite quickly, early yesterday they were around 23mm, today they're measuring around 25mm. I have to say, it's even more difficult to measure a swimming target than you'd initially imagine thanks to the tadpoles' propensity for abrupt turns and swimming with their heads pointed downward at a sharp angle. Fortunately, they also have the habit of slowing down every now and then, giving you a window of opportunity to use the ruler (I'll have to find my flexible, transparent 6 inch imperial/metric ruler one of these days), with over 80 of them in the tank, you don't have to wait too long between chances to measure. They're beginning to develop whiskers and will soon start to look like little catfish, after that they'll get to look forward to the awkward leg growing phase that every would be African Clawed Frog gets to experience early in life.

Also, to add a little bit of my own personal experience onto the discussion to about filters yesterday:

After switching to canister filters over 8 years ago, I've had only one escape attempt and that was due to the old hole left in my 10 gallon designed for a hanging filter. Once the tank was switched to a new one without any gaps, I never had to deal with an escape attempt again. Frankly, I can't imagine ever going back from a canister filter, the only downside is that they cost more, though in my experience they also last longer, add that to the convenience and using a canister filter is a no-brainer to me personally.

Originally, I was going to purchase a Fluval 306, however, the 406's priced dropped by $60 on amazon the day I was going to order and it even ended up being cheaper than the 306 would have been. The 406's a little overkill for my current setup, which is 2 frogs in a 30 gallon, and could very easily support up to 5 frogs in a 50 gallon tank (it does have a handy flow valve that allows you to adjust the flow rate). As a reminder, a good rule of thumb for tank sizing and filtration is 1 frog = 10 gallons of water and 20 gallons of filtration. They need the double-sized filter due to how much higher their bioload (waste production) is compared to fish.

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