This page shows the strategies to successfully beat Golduck considering Golduck's possible movesets. For details of Golduck, such as evolution chart, CP and HP, refer the link above.
Super effective moves
Electric- and grass-type moves are super effective against Golduck. For list of moves by types, tap the name of types below.
When Goduck use only water-type moves, Venusaur is the best to beat it. While reducing damage of water-type moves, Venusaur's grass-type mvoes are super effective against Golduck. Additionally, Venusaur has higher CP along grass-type Pokemon. Note that Golduck can also use psychic-type fast/charge moves which are super effective against Venusaur.
Moveset
Althoough Venusaur can learn Sludge Bomb, players should get Venusaur have all grassy-type moves When fighting against Golduck. The combination of Vine Whip and Solar Beam is considered as the best moveset for Venusaur as an attacker.
When Golduck's moveset is the combination of water- and psychic-type moves, Magnetom is one of the best Pokemon to fight against. While decreasing damage of psychic-type moves, Magneton's electric-type moves are super effective agianst Golduck. Note that Magneton is neutral against water-type moves.
Moveset
To defeat Golduck faster, Magneton should use electric-type fast/charge moves.
Poliwrath can use ground-type fast move and fighting-type charge moves that means it can damage Golduck neutrally while reducing damage of water type-moves.
If you do not mind the amount of damage, electric-type Pokemon will be ok.
Related Articles
How to Beat
Tap the name of each Pokemon for the best Pokemon to beat it.