No Such Thing as a Fish is a weekly British podcast series produced and presented by the researchers behind the BBC Two panel game QI.

When one of the regular presenters is unavailable for any reason, fellow QI elves Alex Bell and Anne Miller often take their place.

[8] The opening of early episodes of the podcast used to feature a recording of the elves mentioning this fact, which appears in the first paragraph of the Oxford Encyclopedia of Underwater Life.

Like the time Chief Elf James Harkin looked up from his computer and said: 'You know there are currently over 600 guys in the world with two dicks'.

[14][15] The theme tune used is the song "Wasps" by Emperor Yes, whose lead singer Ash Gardner has also appeared as a guest on the podcast.

[17] Comedy critic Bruce Dessau wrote on his Beyond the Joke blog that: "All it lacks is the likes of Alan Davies [a panelist on the TV version of QI] and co chipping in with their comedic quips, but there are still plenty of laughs to be had.

On 20 November 2015, The Complete First Year of No Such Thing As A Fish LP record was released, containing a bonus-length exclusive episode not planned for broadcast, featuring a guest appearance of Corey Taylor.

[21] In aid of Comic Relief for 2021, a one-off marathon special was streamed live for over 20 hours across 12–13 March 2021, featuring 35 guests for 35 minutes each.