Surskit in depth
Ame, tama and a Pokémon that smells like candy
The Japanese name is アメタマ, Ametama. “Tama” means ball, and “ame” works for two things at once: 雨, rain, and 飴, candy. Both readings fit. Rain appears in both of its abilities and in the Pokédex entries that bring it out into urban puddles during storms; candy appears in the sweet nectar from its head and in the Honey carried by wild specimens. The pond skater is called amenbo in Japanese, and the wordplay probably passes through that as well. The English Surskit is more literal, “surface” or “surf” with “skate”, skating across the surface. Masquerain continues the series with アメモース, Amemoth, changing the ball for a moth.
Level 22 runs into itself
It learns Agility at exactly level 22, the same level at which it evolves. Anyone who lets the animation run misses the move appearing, because by then the creature is already something else. It is a minor detail in a normal playthrough and the entire basis of the only strategy ever found for it: Agility at 22, Baton Pass at 35 and Sticky Web at 38 form a support package that exists only if you cancel the evolution three times in a row. With 40 HP and 32 Defense, keeping it around for those thirteen extra levels is harder than making use of the moves afterwards.
The rest of its level-up movepool is short and disjointed. Water Gun at 1, Quick Attack at 6 with 30 Attack behind it — useless —, Sweet Scent at 9, Soak at 14. Mist and Haze both arrive at 25, giving it two field tools that almost no trainer uses. In practice, its entire progression fits between Bubble Beam and the moment it evolves.
The pond belongs to someone else
Its fifth Pokédex entry says that it often fights Dewpider over food, and that is not just narrative decoration: the two share the same pair of types and the same niche. The difference lies in what comes afterwards. Dewpider keeps Bug and Water when it evolves into Araquanid, while Surskit abandons them: Masquerain is Bug and Flying, a change that costs it the Water resistance and gives it a four-times weakness to Rock. The whole line shifts from pond to air.
That shift explains why its TM movepool looks like it belongs to another creature. It can learn Surf, Waterfall, Liquidation and Ice Beam, moves for a serious swimmer, as well as Bug Buzz, Lunge and Struggle Bug, moves for a physical insect. With 30 Attack and 50 Special Attack, neither route makes sense; the list exists because the typing allows it, not because the stats support it.
What the rain cannot fix
Hidden abilities did not exist before Generation V, so during Ruby, Sapphire, Emerald, Diamond and Pearl its only option was Swift Swim. Rain Dish arrived later as an alternative, and the calculation did not change: the ability that doubles Speed is still the good one, while the one that heals over 40 HP only makes sense on teams that already use rain for other reasons. Its 269 total points leave it below almost any unevolved creature from its own generation, including the previous stage of much longer evolutionary lines.