From Halopedia, the Halo wiki
A Jungaloon is a floating gas-bladder creature native to Gao, a human Outer Colony. A relatively slow animal, the clam-shaped jungaloon floats through Gao's sky utilizing an elongated bell-shaped appendage to suck flying insects out of the planet's humid air.
List of appearances
- Halo: Last Light (First mentioned)
- ^ Halo: Last Light, page 81