Shellder vs Ditto

13 dimensions. One winner.

0.3 m

Shellder

0.3 m

Ditto

1.7 m

You*

*if you are exactly 1.70 m. We checked.

6—5

Shellder edges it 6–5. Closer than it looks.

6 ties

Shellder	Dimension	Ditto
0.3 m	Height	0.3 m
4 kg	Weight	4 kg
148 kg/m³	Densityweight ÷ height³ — the "how is that physically possible" metric	148 kg/m³
30	HP	48
65	Attack	48
100	Defense	48
45	Sp. Attack	48
25	Sp. Defense	48
40	Speed	48
305	Base Stat Total	288
190	Catch Ratehigher = easier to catch	35
61	Base EXP Yield	101
20 cycles	Hatch Timelower = egg hatches faster	20 cycles
76	Moves Learned	1
2	Evolution Stages	1
Gen I	Debut Generationlower = debuted earlier	Gen I
70	Base Friendship	70
50% ♂ / 50% ♀	Gender Ratio	Genderless

If they actually fought

Shellderwater

Dittonormal

Even — both hit for 1× (best STAB multiplier)

Shellder

Ditto