When a person walks at the beach and see a dugong comes to sit on the rocks, it's seen as just a shadow that looks like the top half bottom half like a fish with misleading claims that as a mermaid.
When people came to the beach. See dugongs and sit on the rocks. I saw a shadow that looks like the top half. The lower half like a fish Misleading as a mermaid.
When people walk to the beach. And see the manatees to sit on the rocks. See a shadow that looks just like people, half on the bottom half, like fish, mistaken for a mermaid.