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

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