Two fish are talking to each other. One fish is almost completely bones. He is talking somehow.
The bony fish is still alive and talking. He should be dead.
How is the bony fish still alive and talking?
It’s mostly water weight.
scene: the floor of the ocean description: Two fish are talking to each other. One fish is almost completely bones. He is talking somehow. uncanny: The bony fish is still alive and talking. He should be dead. entities: Fish, Fish_anatomy, Skeleton. caption: It’s mostly water weight.
"Water weight" is often a reason people cite for being overweight.   But here, the fish skeleton is extremely skinny, so it's a weird but topically fitting thing to say about its weight because they are underwater.