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That's what I was thinking too, but it seems so general-shaped that I just wanted to try narrowing it down.
Could you describe it's behavior any? Had you seen it feed, or if it stuck its head completely out of the water or anything?
OMGosh, that's creepy and cool at the same time!
I probably should have, but I hadn't unfortunately.
No, unfortunately I don't. It had caught my eye, but I was in a queue, so I'd not been able to go backward.
More research, and you're quite right. Thanks so much!
I actually think this is a whale shark.
Possibly a starthistle