New T

This lil guy was left with a snake that was dropped off to me as a rehome and I dont know anything about tarantulas! I dont know the species, gender, age, anything. I see up a lil 10 gal with some eco-earth a hide and some faux plants but im sure ill need an upgrade, any advice on this guy? If anyone knows anything about this species or can tell the age or gender or just has helpful advice LMK!!