Agreeing with tttaylorr on moving the vines, or adding more for floor coverage.
Additionally I'd probably add more fake plants near the front to serve as a vision blocker and providing more shelter. To a little noodle, their biggest threat is from above, so make it feel like them traveling from point A to point B is a safe journey with lots of cover. Even paper towel/toilet rolls are great little tunnels! Also consider maybe blocking the sides of the glass tank with cardboard or other black board outside his tank for more privacy! The less you see of him, the more secure he feels!
Also welcome and congrats!!!!
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