QI | No Such Thing As A Fish
Overview
A short clip from the British panel show QI in which the panel discusses why there is no such thing as a fish as a biological category.
On Hacker News
Linked in threads about fuzzy categories, such as fish, trees and fruit, as the origin of the phrase and a fun illustration.
Topics
Sources
Video by QI, played through YouTube.
Data and selection notes
HN summaries and labels may contain AI errors. HN dates refer to discussions, not video publication.
HN Library: HackerTube export (2026-10-31) and open-index/hacker-news. Upstream summaries and classifications may contain AI errors.
Views, duration and playback status refresh separately from the published catalog. When an update fails, existing data remains visible.
Selection checks
- SaaS & AI candidates: Topic keywords do not match
- Editor-approved picks: Editorial review is required
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