Complex sentence: He then floats under the hat to the other bait bucket and again eats the fish until Pluto notices and shoos him away and the seagull by tying up Pluto using his own tail and ears.
Split into simpler sentences: He then floats under the hat to the other bait bucket and again eats the fish until Pluto notices and shoos him away. The seagull by tying up Pluto using his own tail and ears.