A 400 IQ goldfish attempts to kill its owner - A problem to solve

The goldfish is in a bowl on a desk in his room. The owner is an average man with an IQ of 100 who is currently unaware that he is in danger. The goldfish is able to speak and understand any language and is capable of spending 5 minutes outside of water without issue before it dies. The goldfish also has a good understanding and knowledge of humanity’s history and technology. The man has an average of 2 friends visiting his apartment per week and hosts a party once a month, the apartment contains all expected appliances such as a dishwasher and a microwave. The goldfish has 3 months to accomplish its goal.

Floor plan of the apartment:

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