Can you spot the mysterious creature hidden among the water plants in Lau Lup's fish tank?

Stomper Lau Lup was intrigued when he spotted a "mysterious" critter camouflaged among the water plants in his fish tank on Apr 19.

He shared a video of it and said, "I wonder what creature is that?"

The video showed a creature akin to a caterpillar wiggling out from under a leaf, which was of a similar shade of green.

Do you know what organism this is?