While the anime uses the term metaphorically, nature does have "flightless" fish that prefer walking on the seafloor to swimming:
[Spoilers] Bocchi The Rock Let's Rock Rewatch (2024) -- Episode 5 5 : Flightless Fish
In this episode, the has completed their first original song, written by Ryo Yamada with lyrics by Hitori. However, before they can perform live at the venue STARRY , the manager, Seika Ijichi, informs them they must first pass an audition. This challenge serves as a major hurdle for Hitori, whose extreme social anxiety often leaves her feeling like a "flightless" creature unable to perform in front of others. Key Themes and Plot Points While the anime uses the term metaphorically, nature
: The band performs their original song for Seika to prove they are ready for a live stage. Key Themes and Plot Points : The band
The titles in Bocchi the Rock! often reference songs by the Japanese rock band . "Flightless Fish" (Japanese: Hikōsen ) is likely an adaptation or reference to these musical roots, symbolizing creatures that possess the tools to succeed (like fins or wings) but have not yet learned how to use them to soar. Real-World "Flightless" Fish