Jellyfish

Jellyfish is an enemy in couple of Tomb raider games.

Jellyfish are mostly stationary, but can damage Lara, so it's best to avoid them.

Tomb Raider (Game Boy Color)

 * Temple C
 * Royal Tombs C
 * Caverns A
 * Caverns B

Tomb Raider: Underworld

 * The Path to Avalon
 * The Norse Connection