I think you’re right with the ID - I couldn’t tell you the species but it seems like North American water strider is quite widespread enough that that would be the likely candidate.
As for stocking, I’ve always thought a pond with rays and gars would be cool, though may require a bit more care and attention.
I may have to second the idea of the humble goldfish/koi.
As for stocking, I’ve always thought a pond with rays and gars would be cool, though may require a bit more care and attention.
I may have to second the idea of the humble goldfish/koi.