Guild Wars 2

Does anyone know why they apparently removed the ability to use two of exactly the same pet? It could not possibly have been overpowered in any way, since you can just use two very similar pets with nearly if not identical stats and abilities.
But this seriously hampers creativity. What if someone doesn’t want two pets, and would like to get two that look the same and give them the same name? What if someone just really likes a particular skin and would like two of them?
Personally, I really badly would like to use two separate Ravens, but for some reason that is no longer an option. Sure I can use a black Raven and a white one, but even ignoring aesthetic desires, there are no white ravens! It looks like a dove or something. And on top of that, I’d have to grind like hell through a game I have no desire to play just to unlock it.

And while I’m talking about pet choices, just as an aside, why can’t Canines be used underwater? Bears and Cats can be, and Canines are far better swimmers than Cats.

I use my hawk Aero, and my eagle Murica and I like them both, but hawk looks cooler.