cute pacu fish in the water. pacu is omnivorous south american freshwater serrasalmid fish that are related to the piranha

amazon america american animal aquaculture aquarium aquatic are background black brazil cachama color colossoma cute ecuador farming fauna fin fish fishes fishing food fresh freshwater giant isolated life live mouth natural nature omnivorous orinoco pacu peru piranha profile red related river serrasalmid serrasalmidae south studio swim swimming tambaqui that tropical underwater venezuela water white wild wildlife young