Hmmmm. I had considered that they might be goldfish offspring, but I thought that was unlikely. Do goldfish breed that easily? The pond is very stable and hospitable, and the fish do thrive, so maybe that is possible. If so, pretty cool. (They’re the cheapest “feeder” goldfish I could find at the pet store. Five for a dollar. I put them in the pond and they grow to a beautiful 6-8 inches with no upkeep whatsoever. And if a heron or raccoon eats a few, it’s no huge loss.)
Gambusia fish? I can’t tell because I can’t see them closely enough.
Not tadpoles. I do get tadpoles in the pond once in a while and they’re different.
I have the same question about my little lily pool, except with frogs and water snails. how does a suburabn frog find a little body of water/ I’m over a mile from the nearest swamp, yet my pool was colonized.
The sun doesn’t technically evaporate water. That would require heating it to boiling temperatures, and therefore, the argument that fish eggs could not be carried in the water that is lightened and shifted by heating but not boiled away into a gas or vapor is not necessarily accurate.
Well, I’m equally skeptical of the notion that fish eggs can hitch a ride on water molecules as they evaporate (if that’s what you’re saying - I lost track of the multiple negation there), but evaporation does not require boiling.