Train that looks like a grouper or similar fish, because it has small, widely spaced “eyes” (headlights) and a massive set of lips on it. I am fairly certain that it is a Japanese train but I’m not sure if it’s an altered image.
https://mediacdn.aus.social/media_attachments/files/112/159/640/468/880/605/original/936d7e382533e2f2.jpeg