Approximately the size of my hand including its leg span.
Hi, welcome to Spider ID. 🙂 A tarantula … given the general appearance I expect it’s a male. I don’t know Tarantulas well enough to be confident suggesting a genus for you, there seem to be quite a few options in Panama. Perhaps someone will eventually come along who knows him.
Thank you! He was so awesome. Perfectly engineered for his world. Made me want to learn more….