Basking Shark by Norman MacCaig Lyrics

To stub an oar on a rock where none should be,
To have it rise with a slounge out of the sea
Is a thing that happened once (too often) to me.

But not too often - though enough. I count as gain
That once I met, on a sea tin-tacked with rain,
That roomsized monster with a matchbox brain.

He displaced more than water. He shoggled me
Centuries back - this decadent townee
Shook on a wrong branch of his family tree.

Swish up the dirt and, when it settles, a spring
Is all the clearer. I saw me, in one fling,
Emerging from the slime of everything.

So who's the monster? The thought made me grow pale
For twenty seconds while, sail after sail,
The tall fin slid away and then the tail.