Lava Crawlers (Nether Mob)

Lava is a threat already, but few exclusive mobs.

Lava crawlers would be a nether exclusive mob, giving the vast lava lakes a threat for potion users and those that wander too close. Lava crawlers are a centipede like mob, swimming through the lava, surfacing occasionally. It is possible to lead them out of the lava for an easier fight. Their attacks are basic biting at the player, with a chance to set them on fire for a few seconds. They would be at most 5 blocks long, and have varying sizes. They would likely be about as tall as a spider, and be a relatively thin mob. They likely will drop 1-3 blaze powder, or something similar.