I guess it would depend on whether or not you brought a tent and started a campfire to pass the time while you waited!
Think of the bodies as "breeds" of fish, sort of like Labrador Retriever, Poodle, Mutt, etc, and the fins as different "fur" that the breed can have. For example, you could have a Chocolate Lab or a Black Lab - the bodies are both Labrador Retriever, but their fur is different.
What your list shows me is that 4 of your fish have the Greenfin fins on them, but each of those 4 fish has different bodies - Fruitfish, Shark, Spotanus, and Beta. You also have 3 other fish on your list which have different fins from the Greenfin fishies, but two of them have the same body as two of the Greenfins on your list (Beta and Fruitfish). If you look at the screenshot attached to this post, you'll see 2 fish: The Greenfin Spotanus and the Silky Spotanus. They both have the same body type, but they have different fins - sort of like the Black Lab and the Chocolate Lab!
I hope that helps make things clearer!
