I'll keep them in mind, thank you! I have much to consider. My turtle is definitely inquisitive and any potential tank mates will be very stimulating and enriching for him.
Well... 18 days later, I'm definitely seeing the "seed shrimp" (Cypridopsis vidua) again. I've officially determined that the deep-clean wasn't sufficient to eliminate the population, but the numbers are (for the time being) acceptable as the "seed shrimp" aren't interested in the turtle...
Now that I have a pretty confident ID, they really weren't a bad creature to have suddenly discovered in his habitat. There were just SO MANY. Perhaps 10 for every square inch of his environment. Still kind of cool in a sense I suppose.
I have well water, unsoftened.
Alright gang, I think all my forum work has gotten me to a pretty solid conclusion:
Cypridopsis vidua.
These "seed shrimp" are ostracods, which are crustaceans. They have basically global distribution, and I'll attach a number of links to show what I've been looking at.
I'm still completely...
Greetings.
This morning I noticed something new in my painted turtle's water. At first glance, it appeared to be tiny bubbles. But there were a lot, all throughout the water column. And when I looked closer, they were moving in the current but also moving on their own. Also on the gravel...