Skeletons don't need any air to be alive, while skeleton can be suffocated even drown, which isn't a technical bug, but a noticeable mistake.
this isn't a bug or a mistake, don't post it here.
All undead mobs can drown since 1.13
See MC-131067
Reporter: migrated
Assignee: (Unassigned)
Created: 2019-06-30T02:55:11Z
Updated: 2026-08-04T22:08:46Z
Resolved: 2019-06-30T15:01:41Z
Confirmation Status: Unconfirmed
Affects Versions: Minecraft 1.14.3
Retrieved 2026-10-11T08:16:36Z
this isn't a bug or a mistake, don't post it here.