It is vulnerable to Grass and Electric moves. Golduck is a mono-Water type Pokemon with average bulk and an interestingly large move pool. Ice Beam is superior on defense due to having 2 bars and Grass-type coverage.

Golduck's strongest moveset is Confusion & Hydro Pump and it has a Max CP of 2,450.
Numerous moveset combinations make Golduck quite versatile and lets it be customized more specifically to a player's needs depending on what … Horn Drill is a guaranteed OHKO if it hits. I did the research, and water and fighting moves have the best super-effective coverage (ex. As for the underrated status, having stats as bland as flour will do that. Compare Golduck and Alakazam in Pokémon Go, compare evolve, max CP, max HP values, moves, catch, hatch, stats of Golduck and Alakazam

Gen I Pokemon are notorious for having very unassuming stat spreads, and Golduck is one of the biggest examples of that. Blastoise has good stats, and due to the X Accuracy glitch in Gen 1, it makes every move hit. Golduck is a Water Pokémon which evolves from Psyduck. See the attacking / defending strengths and weaknesses for Golduck. This Pokémon is definitely much faster than even the most athletic swimmer." Golduck isn't a bad Pokemon, but the moveset you have there Confusion and Ice Beam is terrible if you wanna use it as gym attacker. My Golduck is built to take out the Pokemon whose abilities activate a weather condition (Drought, Drizzle, Sand Stream). I would say that the best Water-type in Gen 1 is Blastoise or Seaking. There are a lot of Water-type Pokémon in Gen 1, and some are obviously better than others. Plan ahead for your next gym battle in Pokemon Go. The update following the September 2019 rebalance gave Golduck three extra charge move options which is great for Golduck, but bad for our limited Charge TMs. Psychic is a worthwhile move on defense thanks to having 2 bars, good power, and relevant coverage against Fighting types. It’s probably for the best that it didn’t become part Psychic. Seaking gets Horn Drill in Gen 1. level 1 Tyranitar, Hippowdon, Ninetales, Mega Charizard Y, Abomasnow, etc.). It can get Psychic moves which …
So, I would say that Golduck is worth it. Confusion is Golduck’s best move on defense, outperforming Water Gun by a huge margin. About "The webbed flippers on its forelegs and hind legs and the streamlined body of Golduck give it frightening speed. It easily beats out Synchronoise.