Buddy is like an American word to mean friend. So buddy up, it means you kind of find a friend to help you. Always buddy up because sharks, they're heavy, aren't they? Did you get your shark and you bring him in? You're going to need a buddy for this. Now that won't take very long because that's a small pool and he's a big fish, isn't he? Let him acclimatizing himself. To acclimatize yourself means to get used to the climate.