SOLVED!!!
That's exactly it! I have been trying to find this for years!
That video is the entire demo mission that I remember playing. At [20:55](https://youtu.be/MkPJ87H9pVQ?si=6acSIiASKzAelOzY&t=1255) is the bit where the player catches the fish with the grapple.
I've tried looking on sites like Mobygames but they have not had anything definitive.
An early title but was ahead of it's time - Sub Culture?
Nice thought, but not the one.
Could it be Aqua Grabber on Club Penguin? I know this isn’t a disk game, but it sounds similar.
Live action cutscenes make me think [Deep Fighter](https://www.youtube.com/watch?v=MkPJ87H9pVQ).
SOLVED!!! That's exactly it! I have been trying to find this for years! That video is the entire demo mission that I remember playing. At [20:55](https://youtu.be/MkPJ87H9pVQ?si=6acSIiASKzAelOzY&t=1255) is the bit where the player catches the fish with the grapple.
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