Fish is part of an alien race from a planet far far away, they are a biology researcher and they love looking at new life forms.
They can understand other languages fairly easily but they cannot speak any language they learn, their speech patterns include chirps and beeps along with selected whistles.
Very delicate and graceful they like to come down to earth at night to look around the world to see new things.
Link
JCorrachComics
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^ a fish for fish