It must be one of the oddest freaks of religious symbolism.
But then the early Christians used to represent Christ as a fish. This has nothing to do with any analogy between the two, but rests on an acronym. The Greek word Ichthus, meaning fish, gives us
which translates as "Jesus Christ, Son of God and Saviour."
Yesterday a big old house fly- hairy black carapace, red eyes, legs with suckers at the end- flew down and plonked itself on my monitor screen. My first thought was, "get away from me, you nasty, shit-eating monster." My second thought was, "so life comes back from the long sleep of winter".